www.fairchildsemi.com
REV. 1.0.5 3/1/02
Features
• Low dropout voltage
• Load regulation: 0.05% typical
• Current limit
• On-chip thermal limiting
• Standard SOT-223 and TO-252 packages
• Three-terminal adjustable or fixed 1.8V, 2.5V, 3.3V or 5V
• Specified from -40°C to +125°C
Applications
• USB Controlled Power Supply
• High efficiency linear regulators for Mixed Voltage
Logic, ASIC, FPGA based systems
• Post regulators for switching supplies
• Battery chargers
• 12V to 5V, 3.3V, 2.5V, 1.8V, or adj linear regulators
• Motherboard clock supplies
• SDRAM Module supplies
Description
The FAN1616A, FAN1616A-1.8, -2.5, -3.3 and -5 are low
dropout three-terminal regulators with 0.5A output current
capability. These devices have been optimized for applica-
tions where transient response and minimum dropout voltage
are critical. The 5V version is designed also to be used in
USB Hub and Motherboard applications.
On-chip thermal limiting provides protection against any
combination of overload and ambient temperature that
would create excessive junction temperatures.
Unlike PNP type regulators where up to 10% of the output
current is wasted as quiescent current, the bias current of the
FAN1616A flows into the load, increasing efficiency.
The FAN1616A series regulators are available in the
industry-standard SOT-223 and TO-252 power packages.
Typical Applications
VIN = 12V VIN VOUT
ADJ
9V at 0.5A
FAN1616A
10µF22µF
R1
124Ω
R2
768Ω
VIN = 9V VIN VOUT
GND
3.3V at 0.5A
FAN1616A-3.3
10µF
++
++
22µF
VOUT = VREF(1 + R2/R1) + IAdj • R2
FAN1616A
0.5A Adjustable/Fixed Low Dropout Linear Regulator
PRODUCT SPECIFICATION FAN1616A
2
REV. 1.0.5 3/1/02
Pin Assignments
*With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane,
Θ
JA
can vary from
30°C/W to >50°C/W. Other mounting techniques may provide better power dissipation than 30°C/W.
Absolute Maximum Ratings
Figure 1. Absolute Maximum Safe Operating Area
Parameter Min. Max. Unit
V
IN
18 V
(V
IN
–V
OUT
) * I
OUT
See Figure 1
Operating Junction Temperature Range -40 125 °C
Storage Temperature Range -65 150 °C
Lead Temperature (Soldering, 10 sec.) 300 °C
Front View Front View
FAN1616AS (Variable)
FAN1616AS-X (Fixed)
FAN1616AD (Variable)
FAN1616AD-X (Fixed)
4-Lead Plastic SOT-223
ΘJC = 15°C/W*
3-Lead Plastic TO-252
ΘJC = 3°C/W*
Tab is
OUT Tab is OUT
1
ADJ/
GND
IN
23
3
2
1
IN
OUT
ADJ/GND
0.6
0.5
0.4
0.3
0.2
0.1
0068
10 1242
VIN – VOUT (V)
IOUT (A)
FAN1616A PRODUCT SPECIFICATION
REV. 1.0.5 3/1/02
3
Electrical Characteristics
Operating Conditions: V
IN
≤
12V, T
J
= 25°C unless otherwise specified.
The
•
denotes specifications which apply over the specified operating temperature range.
Notes:
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.
2. Line and load regulation are guaranteed up to the maximum power dissipation. Power dissipation is determined by input/
output differential and the output current. Guaranteed maximum output power will not be available over the full input/output
voltage range.
3. FAN1616A only.
4. Output current must be limited to meet the absolute maximum ratings of the part.
Parameter Conditions Min. Typ. Max. Units
Reference Voltage
3
1.5V
≤
(V
IN
- V
OUT
)
≤
5.75V,
10mA
≤
I
OUT
≤
0.5A
•
1.225
(-2%)
1.250 1.275
(+2%)
V
Output Voltage
4
10mA
≤
I
OUT
≤
0.5A
FAN1616A-1.8, 3.3V
≤
V
IN
≤
12V
FAN1616A-2.5, 4.0V
≤
V
IN
≤
12V
FAN1616A-3.3, 4.5V
≤
V
IN
≤
12V
FAN1616A-5, 6.2V
≤
V
IN
≤
12V
•
•
•
•
1.764
2.450
3.234
4.900
1.800
2.500
3.300
5.000
1.836
2.550
3.366
5.100
V
V
V
V
Line Regulation
1,2
(V
OUT
+ 1.5V)
≤
V
IN
≤
12V, I
OUT
= 10mA
•
0.005 0.2 %
Load Regulation
1,2,3
(V
IN
– V
OUT
) = 2V, 10mA
≤
I
OUT
≤
0.5A
•
0.05 0.5 %
Dropout Voltage
∆
V
REF
= 1%, I
OUT
= 0.5A
•
1.000 1.200 V
Adjust Pin Current
3
•
35 120
µ
A
Adjust Pin Current Change
3, 4
1.5V
≤
(V
IN
– V
OUT
)
≤
12V,
10mA
≤
I
OUT
≤
0.5A
•
0.2 5
µ
A
Minimum Load Current 1.5V
≤
(V
IN
– V
OUT
)
≤
12V
•
10 mA
Quiescent Current V
IN
= V
OUT
+ 1.25V
•
413mA
Ripple Rejection f = 120Hz, C
OUT
= 22
µ
F Tantalum,
(V
IN
– V
OUT
) = 3V, I
OUT
= 0.5A
60 72 dB
Thermal Regulation T
A
= 25
°
C, 30ms pulse 0.004 0.02 %/W
Temperature Stability
•
0.5 %
Long-Term Stability T
A
= 125
°
C, 1000hrs. 0.03 1.0 %
RMS Output Noise
(% of V
OUT
)
T
A
= 25
°
C, 10Hz
≤
f
≤
10kHz 0.003 %
Thermal Resistance,
Juncation to Case
SOT-223 15
°
C/W
TO-252 3
°
C/W
Thermal Shutdown 150
°
C
PRODUCT SPECIFICATION FAN1616A
4
REV. 1.0.5 3/1/02
Typical Performance Characteristics
1.5 0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
00 0.6 0.80.40.2
OUTPUT CURRENT (A) JUNCTION TEMPERATURE (°C)
JUNCTION TEMPERATURE (°C) JUNCTION TEMPERATURE (°C)
DROPOUT VOLTAGE (V)
REFERENCE VOLTAGE (V)
3.70
3.65
3.60
3.55
3.50
3.45
3.40
3.35
3.30
3.25
3.20
OUTPUT VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
ADJUST PIN CURRENT (µA)
5
4
3
2
1
0
MINIMUM LOAD CURRENT (mA)
OUTPUT VOLTAGE DEVIATION (%)
1.0 -75 -50 -25 0 25 50 75 100 125 150 175
-75 -50 -25 0 25 50 75 100 125 150 175 -75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
-75 -50 -25 0 25 50 75 100 125 150 175
JUNCTION TEMPERATURE (°C)
-75 -50 -25 0 25 50 75 100 125 150 175
TJ = 125°C
TJ = 0°C
∆I = 0.5A
VOUT = 3.6V1
VOUT SET WITH 1% RESISTORS
VOUT = 3.3V
Note:
1. FAN1616A Only
Note:
1. FAN1616A Only
Note:
1. FAN1616A Only
TJ = 25°C
Figure 2. Dropout Voltage vs. Output Current Figure 3. Load Regulation vs. Temperature
Figure 4. Reference Voltage vs. Temperature Figure 5. Output Voltage vs. Temperature
Figure 6. Minimum Load Current vs. Temperature Figure 7. Adjust Pin Current vs. Temperature
FAN1616A PRODUCT SPECIFICATION
REV. 1.0.5 3/1/02
5
Typical Performance Characteristics (continued)
4
3
2
1
0
POWER (W)
CASE TEMPERATURE (°C)
50 60 70 80 90 100 110 120 140130 150
TO-252
SOT-223
90
80
70
60
50
40
30
20
10
0
RIPPLE REJECTION (dB)
FREQUENCY (Hz)
10 100 1K 10K 100K
(VIN - VOUT) ≤ 3V
0.5 ≤ VRIPPLE ≤ 2V
IOUT = 0.5A
Figure 8. Ripple Rejection vs. Frequency Figure 9. Maximum Power Dissipation
PRODUCT SPECIFICATION FAN1616A
6REV. 1.0.5 3/1/02
Mechanical Dimensions
3-Lead TO-252 Package
A .086 .094 2.19 2.39
Symbol Inches
Min. Max. Min. Max.
Millimeters Notes
b .025 .035 0.64 0.89
.045 1.14
b2 .030 0.76
c .018 .024 0.46 0.61
c2 .018 .023 0.46 0.58
D .210 .245 5.33 6.22 1
4
1
4
3
E .250 .265 6.35 6.73
.090 BSC 2.29 BSC
.108 REF 2.74 REF
.370 .410 9.40 10.41
e
H
L .055 .070 1.40 1.78
L1
.035 .080 0.89 2.03
.025 .040 0.64 1.02
.215 5.46
b3 .205 5.21
L3
L4
E
b3
@PKG/
@HEATSINK
D
L3
A
-C-
H
c2
L
L1
-A-
α = 0° – 10°
-B-
E-PIN
b2 L4
b
e
Notes:
1.
2.
3.
4.
5.
6.
Dimensions are exclusive of mold flash, metal burrs or interlead
protrusion.
Stand off-height is measured from lead tip with ref. to Datum -B-.
Foot length is measured with ref. to Datum -A- with lead surface.
Thermal pad contour optional within dimension b3 and L3.
Formed leads to be planar with respect to one another at seating
place -C-.
Dimensions and tolerances per ASME Y14.5M-1994.
FAN1616A PRODUCT SPECIFICATION
REV. 1.0.5 3/1/02 7
Mechanical Dimensions
4-Lead SOT-223 Package
A—.071
Symbol Inches
Min. Max. Min. Max.
Millimeters Notes
A1 —.181
.033
B .025
c—.090
E .130 .148
e
H .264 .287
.115 .124
.033 .041
—10°
F
F
I
J
D .248 .264
—1.80
—4.80
.840
.640
—2.29
3.30 3.71
6.71 7.29
.012 —.310 —
2.95 3.15
.840 1.04
—10°
10°16°
K10°16°
.0008 .0040
L.0203 .1018
10°16°
M10°16°
.010 .014
N.250 .360
6.30 6.71
A
D
e
E
c
H
A1
BI
J
K
L
M
N
PRODUCT SPECIFICATION FAN1616A
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
3/1/02 0.0m 006
Stock#DS30001616
2002 Fairchild Semiconductor Corporation
Ordering Information
Product Number Package
FAN1616ADX TO-252 in tape and reel
FAN1616ASX SOT-223 in tape and reel
FAN1616AD18X TO-252 in tape and reel
FAN1616AS18X SOT-223 in tape and reel
FAN1616AD25X TO-252 in tape and reel
FAN1616AS25X SOT-223 in tape and reel
FAN1616AD33X TO-252 in tape and reel
FAN1616AS33X SOT-223 in tape and reel
FAN1616AD5X TO-252 in tape and reel
FAN1616AS5X SOT-223 in tape and reel
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
Product Folder - Fairchild P/N FAN1616Ax33 - Product information
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General description
The FAN1616A and FAN1616A-1.8 ,-2.5, -3.3
and -5 are low dropout three-terminal
regulators with 0.5A output current capability.
These devices have been optimized for
applications where transient response and
minimum dropout voltage are critical. The 5V
version is designed also to be used in USB Hub
and Motherboard applications.
On-chip thermal limiting provides protection
against any combination of overload and
ambient temperature that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10%
of the output current is wasted as quiescent
current, the bias current of the FAN1616A
flows into the load, increasing efficiency.
The FAN1616A series regulators are available
in the industry- standard SOT-223 and TO-252
power packages.
back to top
Features
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Datasheet
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datasheet
PDF
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[E-
mail]
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Product Folder - Fairchild P/N FAN1616Ax33 - Product information
● Low dropout voltage
● Load regulation: 0.05% typical
● Current limit
● On-chip thermal limiting
● Standard SOT-223 and TO-252
packages
● Three-terminal adjustable or fixed 1.8V,
2.5V, 3.3V or 5V
● Specified from -40°C to +125°C
back to top
Applications
● USB Controlled Power Supply
● High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA
based systems
● Post regulators for switching supplies
● Battery chargers
● 12V to 5V, 3.3V, 2.5V, 1.8V or
adjustable linear regulators
● Motherboard clock supplies
● SDRAM Module supplies
back to top
Product status/pricing/packaging
Product Product status Pricing* Package type Leads Package marking Packing
method
FAN1616AS33X Full Production $0.443 SOT-223 4$Y&Z&2&T
1616AS33
$.$.$. TAPE REEL
FAN1616AD33X Full Production $0.443 TO-252(DPAK) 3$Y&Z&2&T
1616AD33
K TAPE REEL
* 1,000 piece Budgetary Pricing
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Product Folder - Fairchild P/N FAN1616Ax18 - Product information
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Contents
General description | Features | Applications |
Product status/pricing/packaging
General description
The FAN1616A and FAN1616A-1.8 ,-2.5, -3.3
and -5 are low dropout three-terminal
regulators with 0.5A output current capability.
These devices have been optimized for
applications where transient response and
minimum dropout voltage are critical. The 5V
version is designed also to be used in USB Hub
and Motherboard applications.
On-chip thermal limiting provides protection
against any combination of overload and
ambient temperature that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10%
of the output current is wasted as quiescent
current, the bias current of the FAN1616A
flows into the load, increasing efficiency.
The FAN1616A series regulators are available
in the industry- standard SOT-223 and TO-252
power packages.
back to top
Features
space
Datasheet
Download this
datasheet
PDF
e-mail this datasheet
[E-
mail]
This pagePrint version
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Product Folder - Fairchild P/N FAN1616Ax18 - Product information
● Low dropout voltage
● Load regulation: 0.05% typical
● Current limit
● On-chip thermal limiting
● Standard SOT-223 and TO-252
packages
● Three-terminal adjustable or fixed 1.8V,
2.5V, 3.3V or 5V
● Specified from -40°C to +125°C
back to top
Applications
● USB Controlled Power Supply
● High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA
based systems
● Post regulators for switching supplies
● Battery chargers
● 12V to 5V, 3.3V, 2.5V, 1.8V or
adjustable linear regulators
● Motherboard clock supplies
● SDRAM Module supplies
back to top
Product status/pricing/packaging
Product Product status Pricing* Package type Leads Package marking Packing
method
FAN1616AD18X Full Production $0.443 TO-252(DPAK) 3$Y&Z&2&T
1616AD18
K TAPE REEL
FAN1616AS18X Full Production $0.443 SOT-223 4$Y&Z&2&T
1616AS18
$.$.$. TAPE REEL
* 1,000 piece Budgetary Pricing
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Product Folder - Fairchild P/N FAN1616Ax25 - Product information
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Contents
General description | Features | Applications |
Product status/pricing/packaging
General description
The FAN1616A and FAN1616A-1.8 ,-2.5, -3.3
and -5 are low dropout three-terminal
regulators with 0.5A output current capability.
These devices have been optimized for
applications where transient response and
minimum dropout voltage are critical. The 5V
version is designed also to be used in USB Hub
and Motherboard applications.
On-chip thermal limiting provides protection
against any combination of overload and
ambient temperature that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10%
of the output current is wasted as quiescent
current, the bias current of the FAN1616A
flows into the load, increasing efficiency.
The FAN1616A series regulators are available
in the industry- standard SOT-223 and TO-252
power packages.
back to top
Features
space
Datasheet
Download this
datasheet
PDF
e-mail this datasheet
[E-
mail]
This pagePrint version
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GO
Product Folder - Fairchild P/N FAN1616Ax25 - Product information
● Low dropout voltage
● Load regulation: 0.05% typical
● Current limit
● On-chip thermal limiting
● Standard SOT-223 and TO-252
packages
● Three-terminal adjustable or fixed 1.8V,
2.5V, 3.3V or 5V
● Specified from -40°C to +125°C
back to top
Applications
● USB Controlled Power Supply
● High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA
based systems
● Post regulators for switching supplies
● Battery chargers
● 12V to 5V, 3.3V, 2.5V, 1.8V or
adjustable linear regulators
● Motherboard clock supplies
● SDRAM Module supplies
back to top
Product status/pricing/packaging
Product Product status Pricing* Package type Leads Package marking Packing
method
FAN1616AS25X Full Production $0.443 SOT-223 4$Y&Z&2&T
1616AS25
$.$.$. TAPE REEL
* 1,000 piece Budgetary Pricing
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Product Folder - Fairchild P/N FAN1616A - Product information
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(PCNs)
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Contents
General description | Features | Applications |
Product status/pricing/packaging
General description
The FAN1616A and FAN1616A-1.8 ,-2.5, -3.3
and -5 are low dropout three-terminal
regulators with 0.5A output current capability.
These devices have been optimized for
applications where transient response and
minimum dropout voltage are critical. The 5V
version is designed also to be used in USB Hub
and Motherboard applications.
On-chip thermal limiting provides protection
against any combination of overload and
ambient temperature that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10%
of the output current is wasted as quiescent
current, the bias current of the FAN1616A
flows into the load, increasing efficiency.
The FAN1616A series regulators are available
in the industry- standard SOT-223 and TO-252
power packages.
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Features
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Product Folder - Fairchild P/N FAN1616A - Product information
● Low dropout voltage
● Load regulation: 0.05% typical
● Current limit
● On-chip thermal limiting
● Standard SOT-223 and TO-252
packages
● Three-terminal adjustable or fixed 1.8V,
2.5V, 3.3V or 5V
● Specified from -40°C to +125°C
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Applications
● USB Controlled Power Supply
● High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA
based systems
● Post regulators for switching supplies
● Battery chargers
● 12V to 5V, 3.3V, 2.5V, 1.8V or
adjustable linear regulators
● Motherboard clock supplies
● SDRAM Module supplies
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Product status/pricing/packaging
Product Product status Pricing* Package type Leads Package marking Packing
method
FAN1616ASX Full Production $0.443 SOT-223 4$Y&Z&2&T
1616AS
$.$.$. TAPE REEL
FAN1616ADX Full Production $0.443 TO-252(DPAK) 3$Y&Z&2&T
1616AD
K TAPE REEL
* 1,000 piece Budgetary Pricing
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Product Folder - Fairchild P/N FAN1616Ax5 - Product information
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Contents
General description | Features | Applications |
Product status/pricing/packaging
General description
The FAN1616A and FAN1616A-1.8 ,-2.5, -3.3
and -5 are low dropout three-terminal
regulators with 0.5A output current capability.
These devices have been optimized for
applications where transient response and
minimum dropout voltage are critical. The 5V
version is designed also to be used in USB Hub
and Motherboard applications.
On-chip thermal limiting provides protection
against any combination of overload and
ambient temperature that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10%
of the output current is wasted as quiescent
current, the bias current of the FAN1616A
flows into the load, increasing efficiency.
The FAN1616A series regulators are available
in the industry- standard SOT-223 and TO-252
power packages.
back to top
Features
space
Datasheet
Download this
datasheet
PDF
e-mail this datasheet
[E-
mail]
This pagePrint version
file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1616Ax5.html (1 of 2) [Jul/26/2002 4:40:50 PM]
GO
Product Folder - Fairchild P/N FAN1616Ax5 - Product information
● Low dropout voltage
● Load regulation: 0.05% typical
● Current limit
● On-chip thermal limiting
● Standard SOT-223 and TO-252
packages
● Three-terminal adjustable or fixed 1.8V,
2.5V, 3.3V or 5V
● Specified from -40°C to +125°C
back to top
Applications
● USB Controlled Power Supply
● High efficiency linear regulators for
Mixed Voltage Logic, ASIC, FPGA
based systems
● Post regulators for switching supplies
● Battery chargers
● 12V to 5V, 3.3V, 2.5V, 1.8V or
adjustable linear regulators
● Motherboard clock supplies
● SDRAM Module supplies
back to top
Product status/pricing/packaging
Product Product status Pricing* Package type Leads Package marking Packing
method
FAN1616AS5X Full Production $0.443 SOT-223 4$Y&Z&2&T
1616AS5
$.$.$. TAPE REEL
FAN1616AD5X Full Production N/A TO-252(DPAK) 3$Y&Z&2&T
1616AD5
K TAPE REEL
* 1,000 piece Budgetary Pricing
back to top
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Home | Find products | Technical information | Buy products |
Support | Company | Contact us | Site index | Privacy policy
© Copyright 2002 Fairchild Semiconductor
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file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1616Ax5.html (2 of 2) [Jul/26/2002 4:40:50 PM]
