HL7546
0.8A Synchronous Step-Down Converter
Overview
HL7546 is a synchronous buck converter optimized to supply different sub systems of portable applications. Its input voltage range is 2.5V to 5.5V.
HL7546 can deliver up to 0.8A with high efficiency, while maintaining over 92% efficiency at load currents as low as 1mA. It operates at a high frequency of 1.5MHz, which greatly reduces the value of the external components. A wide range of output capacitors can be used to optimize VOUT stability during load transients. Inductors 2.2μH may be used without affecting loop stability.
The HL7546 is available in a 1.54mm x 0.77mm WLCSP-8 package.
For more detailed description of the device, please download a product brief.
Features
- 2.6-μA Operating quiescent current
- Up to 1.5-MHz switching frequency
- 1% Output voltage accuracy
- DVS output from 0.5 V to 3.3 V (10/20-mV steps)
- VSEL-pin to toggle VOUT during operation
- Power good indication
- Supports <6-mm² solution size
- Supports <0.6-mm solution height
- Tiny 8-pin, 0.35-mm pitch WCSP package
- Optimized pinout to support 0201 components
- Comprehensive Protections
- Input Under-Voltage Lockout (UVLO)
- Over-Current Protection
- Short-Circuit Protection
- Thermal Shut-down
Block Diagram
For more information or a full datasheet request, please contact the factory at sales@hmisemi.com.