BL8542B
Overview
The BL8542B is a step-up converter that provides a boosted output voltage from a low voltage source. Because of its proprietary design, it starts up at a very low input voltage down to 850mV, making it an ideal choice for single cell alkaline/NiMH battery operations.
- Up to 95% Efficiency *
- Output voltage accuracy 3％ *
- 1MHz Switching Frequency allows small inductor and output cap *
- Input boost-strapping allows using small or no input cap *
- Low Vin Start-up Voltage down to 850mV Ideal for Single Alkaline Cell operations *
- Maximum Output Current up to 300mA *
- Low Noise PWM control *
- Internally Compensated Current Mode Control *
- Internal Synchronous Rectifier *
- Logic Control Shutdown (IQ<1uA)
