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LED Power Converters
Part No. Description Input
Voltage
Output Voltage
Boost Controller
Output
Current Boost
Output Buck
Converter
Overvoltage
Protection
Overcurrent
Protection
Overtemp.
Protection
3D
Features Package
V V
AS1390A
High Power Boost
Controller and Buck
Converter for LED Backlight
10 - 30 100 3A 5V/100mA • • • • QFN-20
AS1390B
High Power Boost
Controller and Buck
Converter for LED Backlight
10 - 30 100 3A 5V/100mA • • • -SOIC-16
Sensor Driven Lighting
LED Drivers
Part No. Description Outputs LED Current
per Output Features Error
Detection
Read-
back
LED-to-LED
Matching
Supply
Voltage Package
# mA % V (mm)
AS3691
4×400mA Precision Current
Source Driving RGB and White
Color LEDs for General Lighting
4400 Slew rate contr. - - 0.5 Main Supply QFN-24
ePTSSOP-24
AS3693A 16 Channel High Precision LED
Driver for LCD Backlight 16 150 Slew rate contr. •-0.5 Main Supply
epTQFP-64 (10×10), pitch 0.5
QFN-48 (6×6), pitch 0.4
QFN-48 (7×7), pitch 0.5
AS3693B 16 Channel High Precision LED
Controller for LCD Backlight 16 limited by
external FET Slew rate contr. •-0.5 Main Supply epTQFP-64 (10×10), pitch 0.5
QFN64, (9×9), pitch 0.5
AS3693B1 16 Channel High Precision LED
Controller for LCD Backlight 16 limited by
external FET Slew rate contr. •-0.5 Main Supply epTQFP-64 (10×10), pitch 0.5
QFN-64 (9×9), pitch 0.5
AS3695A 16 Channel High Precision LED
Driver for LCD Backlight 16 120 2 configurable supply regulation
feedback outputs • • 0.5 4.0 - 5.5 QFN-48 (7×7), pitch 0.5
AS3695C 16 Channel Precision
LED Controller 16 limited by
external FET
2 configurable supply regulation
feedback outputs • • 0.5 4.0 - 5.5 QFN-64 (9×9), pitch 0.5
LPQF-64 (14×14), pitch 0.8
AS3696
4 channel white LED controller
for General Lighting or 3D-LCD
backlight
4limited by
external FET 3D mode •- 1 Main Supply QFN-32 (5×5), pitch 0.5
TQFP-32 (7×7), pitch 0.8
AS3810 16 channel white LED
controller for LCD backlight 16 177.5 enhanced digital feedback, 3D •-0.9 4.0 - 5.5 QFN-32
AS3820 16 channel white LED
controller for LCD backlight 16 limited by
external FET
2 configurable supply regulation
feedback outputs •-0.2 4.0 - 5.5 QFN-48 (7×7), pitch 0.5
LQFP-44 (10×10), pitch 0.8
AS3821 12 channel LED controller 12 limited by
external FET
2 configurable supply regulation
feedback outputs •-0. 2 4.5 - 5.5 LQFP-44 (10×10), pitch 0.8
AS3822 8 channel white LED controller
for LCD backlight 8depends on
external FET
Enhanced digital feedback,
3D, DPLL •-0.2 4.0 - 5.5 QFN-32, TQFP-32
AS3823 6 Channel White LED
Controller for LCD Backlight 6depends on
external FET
enhanced digital feedback,
3D, DPLL •-0.2 4.0 - 5.5 QFN-32, TQFP-32
AS3833
6 channel high-precision LED
controller for 3D-LCD backlight
with integrated step-up
controller
6300
integrated step-up, 1 PWM
input with phase shift, use of
inexpensive BJTs with BETA
compensation, LED string voltage
only limited by BJT rating
LED short/
open with
BJT temp.
supervision
-0.6 12 - 50 TQFP-32 (7×7), pitch 0.8
SOIC-28, pitch 1.27
AS3834
4 channel high-precision LED
controller for 3D-LCD backlight
with integrated step-up
controller
4300
integrated step-up, 4 PWM inputs,
use of inexpensive BJTs with BETA
compensation, LED string voltage
only limited by BJT rating
LED short/
open with
BJT temp.
supervision
-0.6 12 - 50 SOIC-28, pitch 1.27
AS3834B
4 channel high-precision LED
controller for 3D-LCD backlight
with integrated step-up
controller
4300
integrated step-up, 1 PWM
input with phase shift, use of
inexpensive BJTs with BETA
compensation, LED string voltage
only limited by BJT rating
LED short/
open with
BJT temp.
supervision
-0.6 12 - 50 SOIC-28, pitch 1.27
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