HM3348 Description
The H0 is a step-up DC/DC converter with a constant current to drive white LEDs or similar. The device can drive up to eight LEDs in series from a Li-Ion cell. The LED current is set by the external resistor (RSET) and is directly regulated by the feedback (FB) voltage (typ:.
HM3348 Key Features
- Input Voltage Range: 2.2V to 6V
- Programmable LED Current
- Drives LEDs up to 27V
- Switching Frequency: up to 800kHz
- Programmable Overvoltage Protection
- Tiny SOP8/PP Package