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Diodes Incorporated AP62200WU-7 | Demoboard AP62200WU-EVM
18V, 2A, Low Iq, COT Synchronous DC/DC Buck Converter
Overview
| Topology | Buck Converter |
| Input voltage | 4.2-18 V |
| Output 1 | 7 V / 2 A |
| IC revision | Rev 1-1 |
Description
The AP62200/AP62201/AP62200T is a 2A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 90mΩ high-side power MOSFET and a 65mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. The AP62200/AP62201/AP62200T device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.
Features
- VIN Range: 4.2V -18V
- Output Voltage range: 0.8V to 7V
- 2A Continuous Output Current
- 0.8V ± 1% Reference Voltage (TA =+25°C) => AP62200 and AP62201
- 0.7625V ± 1% Reference Voltage (TA = +25°C) => AP62200T
- 135µA Low Quiescent Current
- 740kHz Switching Frequency
- Proprietary Gate Driver Design for Best EMI Reduction
- Protection Circuitry-Undervoltage Lockout (UVLO)-Cycle-by-Cycle Valley Current Limit-Thermal Shutdown
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free. “Green” Device
Typical applications
- Network Systems, General Purpose Point of Load
- Flat Screen TV Sets and Monitors, Set Top Boxes, Consumer Electronics
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDF SMT Power Inductor, 4.7 µH, 6.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PDF SMT Power Inductor | Inductance4.7 µH | Rated Current6.2 A | Saturation Current8 A | DC Resistance19.5 mΩ | Self Resonant Frequency45 MHz | MountSMT |