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Diodes Incorporated AP62300 | Demoboard AP6230xTWU-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 | 1.0 |
Description
The AP62300/AP62301/AP62300T 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 provide high-efficiency step-down DC-DC conversion.The AP62300/AP62301/AP62300T 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.The AP62300/AP62301/AP62300T design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high-frequency radiated EMI noise caused by MOSFET switching.AP62300/AP62301/300T is available in a TSOT26 package.
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) => AP62300 and AP62301
- 0.7625V ± 1% Reference Voltage (TA = +25°C) => AP62300T
- 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
- Network Systems
- Flat Screen TV Sets and Monitors / Set Top Boxes
- Consumer Electronics
- General Purpose Point of Load
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | IR(A) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 1.5 µH, 9.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance1.5 µH | Saturation Current9.5 A | DC Resistance16 mΩ | Self Resonant Frequency75 MHz | Size1030 | VersionPerformance | Rated Current6.2 A | MountSMT | ||||
 | WE-PD SMT Power Inductor, 2.2 µH, 9.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance2.2 µH | Saturation Current9.5 A | DC Resistance8 mΩ | Self Resonant Frequency53 MHz | Size1050 | VersionPerformance | Rated Current8.6 A | MountSMT | ||||
| WE-PD SMT Power Inductor, 3.3 µH, 9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance3.3 µH | Saturation Current9 A | DC Resistance10.5 mΩ | Self Resonant Frequency42 MHz | Size1050 | VersionPerformance | Rated Current7.5 A | MountSMT | ||||
 | WE-PDF SMT Power Inductor, 4.7 µH, 8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PDF SMT Power Inductor | Inductance4.7 µH | Saturation Current8 A | DC Resistance19.5 mΩ | Self Resonant Frequency45 MHz | Size1045 | VersionSMT | Rated Current6.2 A | MountSMT |