Datasheet AP1910 (Anwell Semiconductor)

AP1910 Anwell Semiconductor Corp. Universal High Brightness LED Driver Controller Features General Description Buck system efficiency
：
>90%
The AP1910 is a high-efficiency LED driver control
Open loop peak current controller
IC. It drives LEDs with constant current and uses
Internal 8~450V linear regulator
fewer components. The AP1910 is an open loop,
Constant Current LED Driver
current mode control IC. It can be programmed to
LED string from one to hundreds of diodes
operate in either a constant frequency or constant
Support linear and PWM dimming interface
off-time mode. It includes an 8~450V linear
Requires few external components
regulator which allows it to work in wide input voltage
8 Lead SOIC Packages
range without external low voltage power supply.
RoHS Compliant and 100% Lead (Pb)-Free
The AP1910 is recommended in buck LED drivers
and Green (Halogen Free with Commercial
applications, LED luminance can be easily adjusted
Standard)
by AP1910's 0~100% PWM dimming and 0~245mV
Constant off time function when duty cycle
linear dimming functions.
over 50%
The AP1910 is suitable for buck LED drivers. The
Applications
system has excellent stable response because of ● LED driver applications open loop current mode control. The controller ● RGB backlighting LED driver achieves good output current regulation and need no ● General purpose constant current source compensation. ● Chargers ● Non-isolation LED bulb
Typical Application Circuit
(A) Constant Frequency mode FUSE L T1 BD LED1 CX1 C3 C2 D1 85~265VAC TVS C1 R1 CX2 N LED2 NTC AP1910 R3 8 1 RT VIN L1 7 2 LD CS 6 3 R5 VDD GND C4 5 4 R4 PWMD GATE C5 All reserved by AnSC © 2012 Page: 1/11 V1.6-2014/09/29