Datasheet Details
| Part number | AAT1149A |
|---|---|
| Manufacturer | AAT |
| File Size | 909.16 KB |
| Description | 2.2MHz Fast Transient 400mA Step-Down Converter |
| Datasheet |
 AAT1149A Datasheet
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General Description
The AAT1149A SwitchReg is a 2.2MHz step-down converter with an input voltage range of 2.2V to 5.5V.
It is optimized to react quickly to load variations and operate with a tiny 0603 inductor that is only 1mm tall.
Key Features
- Ultra-Small 0603 Inductor (Height = 1mm).
- VIN Range: 2.2V to 5.5V.
- VOUT Fixed 1.875V.
- 400mA Max Output Current.
- Up to 98% Efficiency.
- 3mA No Load Quiescent Current.
- 2.2MHz Switching Frequency.
- 70μs Soft Start.
- Fast Load Transient.
- Over-Temperature Protection.
- Current Limit Protection.
- 100% Duty Cycle Low-Dropout Operation.