MULTI POWER SUPPLY BUCK & LDO WLCSP-20; Supply Voltage:3.7V; No. of Step-Down DC - DC Converters:1; No. of LDO Regulators:4; No. of Regulated Outputs:5; Digital IC Case:WLCSP; No. of Pins:20Pins; Operating Temperature Min:-30°C RoHS Compliant: Yes