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AP2502 Datasheet(PDF) 1 Page - Diodes Incorporated |
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AP2502 Datasheet(HTML) 1 Page - Diodes Incorporated |
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1 / 12 page  Data Sheet 4-CH Linear Constant Current Sink With Matching AP2502 Oct. 2010 Rev 1. 1 BCD Semiconductor Manufacturing Limited 1 General Description 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. In application, there is only one 0.1 µF ceramic capacitor required, and there is no any EMI and switching noise issue. It is perfect choice for hand-hold portable system especially based on Li-ion/Polymer battery powered display module. 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: 125 µA (Typ.) • Ultra-low Shutdown Current: 1 µA (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 Figure 1. Package Types of AP2502 SOT-23-6 TSOT-23-6 |
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Similar Description - AP2502 |
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