Description
The MAX8630Y/MAX8630Z charge pumps drive up to 5 white LEDs with regulated constant current up to 125mA total.
By utilizing adaptive 1x/1.5x charge-pump modes and very low-dropout current regulators, they achieve high efficiency over the full 1-cell Li+ battery input voltage range.
Features
- 93% Max/85% Avg. Efficiency (PLED/PBATT) Over Li+ Battery Discharge.
- 1% LED Current Accuracy.
- 125mA Total Drive Capability.
- Adaptive 1x/1.5x Mode Switchover.
- Single-Wire, Serial-Pulse Dimming (MAX8630Z)
Independent On/Off/Dimming for Main and Sub Linear.
- Full, 31/32nd, 30/32nd, … 1/32nd.
- Direct-PWM Dimming (MAX8630Y).
- 15, 18, 20, and 25mA Full-Scale Versions.
- Low 0.1µA Shutdown Current.
- Soft-Start Eliminates.