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Diodes Incorporated AP62300 | Demoboard AP62300Z6-EVM
18V, 3A, Low Iq, COT Synchronous DC/DC Buck Converter
Overview
| Topology | Buck Converter |
| Input voltage | 4.2-18 V |
| Output 1 | 7 V / 3 A |
| IC revision | 1-1 |
Description
The AP62300/AP62301 is a 3A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 75mΩ high-side power MOSFET and a 45mΩ low-side power MOSFET to prov300TZ6ide high-efficiency step-down DC-DC conversion. The AP62300/AP62301 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
- 3A Continuous Output Current
- 0.8V ± 1% Reference Voltage (TA = +25°C)
- 155µA Low Quiescent Current
- 750kHz Switching Frequency
- Up to 83% Efficiency at 5mA Light Load
- 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
- Flat Screen TV Sets and Monitors, Set Top Boxes, Consumer Electronics
- Network Systems, General Purpose Point of Load
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 8.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.3 µH | Performance Rated Current8.1 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%11 A | DC Resistance17.2 mΩ | Self Resonant Frequency43 MHz | MaterialSuperflux |