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Overview
| Topology | Buck Converter |
| Input voltage | 2.6-5.5 V |
| Switching frequency | 300-2500 kHz |
| Output 1 | 2.5 V / 3 A |
| IC revision | 1.0.1 |
Description
The Exar XRP6670 Evaluation board (EVB) is afully assembled and tested surface-mount PCBthat demonstrates the XRP6670 buckregulator. The XRP6670 is a synchronouscurrent mode PWM step-down converter withintegrated FET capable of delivering up to3Amps and optimized for portable battery operatedapplications. A 2.6V to 5.5V inputvoltage range allows for single supplyoperation from industry standard 3.3V and 5Vpower rails. Operating frequency isprogrammable between 300kHz and 2.5MHzvia external resistor ROSC. The integrated Pchannelcontrol FET allows 100% duty cycle.Built-in over-temperature, overcurrent, shortcircuitand under-voltage lock-out protectioninsure safe operation under abnormaloperating conditions.
Features
Guaranteed 3A Output Current
- Input Voltage: 2.6V to 5.5V· PWM Current Mode Control
- Programmable 300kHz to 2.5MHz
- 100% Duty Cycle LDO Mode Operation
- Achieves 95% Efficiency· Adjustable Output Voltage Range
- 0.8V to 5V with +/-2% Accuracy· Enable and Power Good Functions· 460μA Quiescent Current· Over-temperature, Overcurrent, Shortcircuitand UVLO Protection
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437346015 | SPEC | 8 files | WE-LHMI SMT Power Inductor | 1.5 | 9.1 | 11.2 | 27.6 | 15 | 45 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437346015 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Samples |
|---|