Datasheet Details
| Part number | UM1665 |
|---|---|
| Manufacturer | Union Semiconductor |
| File Size | 524.30 KB |
| Description | Low Power DC/DC Boost Converter |
| Datasheet |
 UM1665 Datasheet
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General Description
The UM1665 is a PFM controlled step-up DC-DC converter with a switching frequency up to 1MHz.
The device is ideal to generate output voltage for small to medium LCD bias supplies and white LED backlight supplies from a single cell Li-ion battery.
Key Features
- z LCD Bias Supply z White LED Supply for LCD Backlights z Digital Still Cameras z PDAs, Organizers and Handheld PCs z Cellular Phones z Standard 3.3V/5V to 12V Conversion z 2.0V to 6.0V Input Voltage Range z Adjustable Output Voltage up to 28V z 400mA Internal Switch Current z Up to 1MHz Switching Frequency z 36µA Typical No Load Quiescent Current z 1µA Maximum Shutdown Current z Internal Soft-Start z Available in Tiny SOT23-5 and Thin DFN6 3.0×3.0 with 0.60mm (TYP) Thickness Packages Pin Con.