Datasheet Details
| Part number | UD05123 |
|---|---|
| Manufacturer | Unisonic Technologies |
| File Size | 188.17 KB |
| Description | SYNCHRONOUS STEP-DOWN CONVERTER |
| Datasheet |
 UD05123 Datasheet
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General Description
UTC UD05123 is a 2.25MHz constant frequency current mode PWM step-down converter.
It is ideal for portable equipment requiring very high current up to 1.8A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions.
Key Features
- S.
- Input Voltage Range :2.5V~5.5V.
- Output Voltage: from 0.6V to VIN.
- High Efficiency: Up to 92%.
- Constant Frequency Operation: 2.25MHz.
- Output Current:1.2A.
- Quiescent Current: 50uA (input < 4.2V).
- No Schottky Diode Required.
- 100% Duty Cycle in Dropout.
- 0.6V Reference Allows Low Output Voltages.
- Current Mode Operation for Excellent Line and Load Transient Response.
- Current limit, Enable function.
- Short Circuit Protect (SCP).
- ≤1µA S.