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Diodes Incorporated AP65454SP | Demoboard AP65454SP-EVM
650kHz, 18V, 4A, COT, CCM Synchronous DC/DC Buck Converter in SO-8EP
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Output 1 | 1.05 V / 4 A |
| IC revision | 1.0 |
Description
The AP65454 is an adaptive constant on-time mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor.The constant-on-time control scheme handles wide input/output voltage ratios and provides low external component count. The internal proprietary circuit enables the device to adopt both low equivalent series resistance (ESR) output capacitors, such as SP-CAP or POSCAP and ultra-low ESR ceramic capacitors.
Features
The AP65454 also features programmable soft-start, UVLO, OTP, OVP and OCP to protect the circuit.The AP65454 operates in continuous conduction mode (CCM) in light load conditions for better EMI performance. AP65353 and AP65355 are the options for light load efficiency enhancement.This IC is available in SO-8EP package
Typical applications
- Gaming Consoles,Flat Screen TV Sets and Monitors
- Distributed Power Systems
- Set Top Boxes,Home Audio,Consumer Electronics
- Green Electronics,FPGA, DSP and ASIC Supplies
- Network Systems
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, 1.5 µH, 13.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.5 µH | Performance Rated Current13.8 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%14 A | DC Resistance6.6 mΩ | Self Resonant Frequency72 MHz | MaterialSuperflux |