General Description

The SD6209 is a boost topology switching regulator for wide operating voltage applications. Itprovides built-in gate driver pin, EXT pin, for driving the external N-MOSFET. The internal compensation network minimizes external component counts, and the non-inverting input of error amplifier connects to a 0.6V precision reference voltage.The SD6209 internal soft start function.The SD6209 is available in the small footprint SOT23-5L package to fit in space-saving PCB layout for miscellaneous application fields.

Features

Wide Supply Voltage Operating Range: 2.4 to 5.5V

Precision Feedback Reference Voltage: 0.6V (±2%)

Shutdown Current: <1μA

Internal Fixed PWM frequency: 550KHz

Internal Soft Start Function :7ms (SS)

Over Voltage Protection

Package: SOT23-5L

Duty Cycle: PWM/PFM Switching Control Circuit (15%~90%)

Applications

Chargers

LCD Displays

Digital Cameras

Handheld Devices

Portable Products

Typical Application Circuit

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