BCD Semiconductor Manufacturing Limited AP2502
The AP2502 is a 4-channel independent linear current sink with low dropout voltage and perfect match between each channel. Each channel can provide 20mA continuous constant current. It is perfect choice for hand-hold portable system especially based on Li-ion/Polymer battery powered display module.| Part No. | AP2502 |
|---|---|
| Datasheet | AP2502 Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | 4-CH Linear Constant Current Sink |
| Buy | Stock & Price |
GENERAL DESCRIPTION
In application, there is only one 0.1µF ceramic capacitor required, and there is no any EMI and switching noise issue. The brightness can be controlled and/or adjustable via simple PWM signal applied to EN pin. The AP2502 is available with SOT-23-6 and TSOT-23-6 packages.FEATURES
● Current Matching Between Each Channel: ±1%● Low Dropout Voltage: 65mV (Typ.) @ ILED= 20mA
● Maximum Output Current on Each Channel: 20mA
● Ultra-low Quiescent Current: 125µA (Typ.)
● Ultra-low Shutdown Current: 1µA (Max.)
● None EMI and Switching Noise Issue
● Permitted PWM Dimming Frequency up to
● 150kHz
● OTSD Protection
APPLICATIONS
● Mobile Phone, Smart Phone, PDA● MP3, MP4, PMP
● Small Size Backlight Module SOT-23-6 TSOT-23-6 Figure 1. Package Types of AP2502 Oct. 2010 Rev 1. 1 BCD Semiconductor Manufacturing Limited 1 4-CH Linear Constant Current Sink With Matching Pin Configuration K/KT Package (SOT-23-6/TSOT-23-6) Data Sheet AP2502 Figure 2. Pin Configuration of AP2502 (Top Vi...
