The RT9903B is a complete power-supply solution for digital still cameras and other hand-held devices. It integrates a high-efficiency fours step-up DC-DC converters and a charge pump. www.DataSheet4U.com Features z Two step-up DC-DC Converters (CH1, CH2) `HV Internal Switches `50mA Load Current One Step-up DC-DC Converter (CH3) `0.2V Reference Voltage `HV.
z Two step-up DC-DC Converters (CH1, CH2) `HV Internal Switches `50mA Load Current One Step-up DC-DC Converter (CH3) `0.2V Reference Voltage `HV Internal Switches `LED Brightness Dimming Control `Over Voltage Protection One Step-up DC-DC Converter (CH4) `External Switches `External Current Limit Setting Up to 1.4MHz Switching Frequency 1μA Supply Current in Shutdown Mode External Compensation Network for All Converters Programmable Soft Start Function (CH1, CH2, CH3, CH4) Independent Enable Pin to Shutdown Each Channel 24-Lead VQFN Package RoHS Compliant and 100% Lead (Pb)-Free z The two St.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | RT9903 |
Richtek Technology Corporation |
5 Channel DC/DC Converters IC | |
2 | RT9901 |
Richtek Technology Corporation |
4 Channel DC/DC Converters IC | |
3 | RT9902 |
Richtek Technology Corporation |
4 Channel DC/DC Converters IC | |
4 | RT9907 |
Richtek Technology Corporation |
3-Channel DC/DC Converters | |
5 | RT9911 |
Richtek Technology Corporation |
6 Channel DC/DC Converters | |
6 | RT9912A |
Richtek |
Multi-Channel Power Management IC | |
7 | RT9913A |
Richtek |
Integrated Multi-Channel DC-DC Converter | |
8 | RT9913B |
Richtek |
Integrated Multi-Channel DC-DC Converter | |
9 | RT9917 |
Richtek Technology Corporation |
7 Channel DC/DC Converters | |
10 | RT9919 |
Richtek |
7 Channel DC/DC Converters | |
11 | RT9921 |
Richtek Technology Corporation |
Integrated Multi-Channel DC-DC Converter | |
12 | RT9941 |
Richtek Technology Corporation |
Power Management ICs |