Datasheet Details
| Part number | AS1322 |
|---|---|
| Manufacturer | AMSCO |
| File Size | 579.37 KB |
| Description | DC-DC Step-Up Converters |
| Datasheet |
 AS1322 Datasheet
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General Description
The AS1322A and the AS1322B are synchronous, fixed frequency, very high-efficiency DC-DC boost converters capable of supplying 3.3V at 150mA from a single AAsupply.
Compact size and minimum external parts requirements make these devices perfect for modern portable devices.
Key Features
- ! ! ! ! ! ! ! ! ! ! ! ! ! 95% Efficiency Single-Cell Operation Delivers 150mA @ 3.3V (from Single AA Cell) Delivers 500mA @ 3.3V (from Two AA Cells) Low Start-Up Voltage: 0.85V High-Speed Fixed-Frequency: 1.2MHz Internal PMOS Synchronous Rectifier Automatic Powersave Operation (AS1322A) Continuous Switching at Light Loads (AS1322B) Anti-Ringing Control Minimizes EMI Logic Controlled Shutdown (< 1µA) Output Range: 2.5 to 5.0V 6-pin TSOT-23 Package The devices contain two internal MOSFET switche.