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世界上最简单,超低成本LED调光手电筒方案电路(精)

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  • 2025/7/4 22:31:30

Description

The AD5103S is a high efficiency, 3W LED Driver. It required few external components for operation to save the board space and cost.

Operating from one cell Li+ battery, the AD5103S is capable of driving 3W LED. The AD5103S features bri ghtness adjusting and flashing functions.

The AD5103S is available in SOT23-6 PB-Free package. Features

3 Modes Brightness Adjusting100%% Flashing Supply Voltage: 2.5V to 5V

Ultra-low Quiescent Current: 20uA High Efficiency up to 98% Thermal 140C ESD Protection OVER 8000V

Applications

LED Torch LED Flash Typical Application

Pin Descriptions

Ordering Information Order Number Package Type Packing

AD5103S SOT23-6 Reel Tape Rev 1.3 Mar.2011 Sales:13728866796

Typical Operating Characteristics °C

Quiescent Current VS Operating Voltage

VDD V

Efficiency VS Operating Voltage VDD V

Rev 1.3 Mar.2011 Sales:13728866796

AD5103S 3W LED Driver

P ACKAGE INFORMATION

(1 SOT-26

Symbol A A1B b C D e H L

Dimension ( inmm min 0.7871.3970.2502.5912.6920.8380.0800.300 max 1.4500.1521.8030.5592.9973.0991.0410.2540.610

Dimension ( in Inchmin 0.0310.0550.0100.1020.1060.0330.0030.012 max 0.0570.0060.0710.0220.1180.1220.0410.0100.024 Rev 1.3 Mar.2011 3 / 3Sales:13728866796

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Description The AD5103S is a high efficiency, 3W LED Driver. It required few external components for operation to save the board space and cost. Operating from one cell Li+ battery, the AD5103S is capable of driving 3W LED. The AD5103S features bri ghtness adjusting and flashing functions. The AD5103S is available in SOT23-6 PB-Free package. Features

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