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AP65352

Diodes
Part Number AP65352
Manufacturer Diodes
Description 650kHz ADAPTIVE COT STEP-DOWN CONVERTER
Published Feb 23, 2017
Detailed Description NOT RECOMMENDED FOR NEW DESIGN USE AP65353 AP65352 3A, 18V, 650kHz ADAPTIVE COT STEP-DOWN CONVERTER Description The AP6...
Datasheet PDF File AP65352 PDF File

AP65352
AP65352

Overview
NOT RECOMMENDED FOR NEW DESIGN USE AP65353 AP65352 3A, 18V, 650kHz ADAPTIVE COT STEP-DOWN CONVERTER Description The AP65352 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 TVs and monitors.
Pin Assignments ( Top View ) 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.
The AP65352 also features programmable soft-start, UVLO, OTP, OVP and OCP to protect the circuit.
AP65352 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.
EN 1 FB 2 VREG5 3 SS 4 Exposed Pad 9 SO-8EP 8 VIN 7 BST 6 SW 5 PGND This IC is available in SO-8EP package.
Features  Fixed Frequency Emulated Constant On-Time Control  Good Stability Independent of the Output Capacitor ESR  Fast Load Transient Response  Synchronous Rectification: 90mΩ Internal High-Side Switch and 57mΩ Internal Low-Side Switch  Wide Input Voltage Range: 4.
5V to 18V  Output Voltage Range: 0.
76V to 6V  3A Continuous Output Current  650kHz Switching Frequency  Built-in Overcurrent Limit  Built-in Overvoltage Protection  Built-in Thermal Shutdown Protection  Programmable Soft-Start  Pre-Biased Start-Up  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3) Applications  Gaming Consoles  Flat Screen TV Sets and Monitors  Set-Top Boxes  Distributed Power Systems  Home Audio  Consumer Electronics  Network Systems  FPGA, DSP and ASIC Supplies  Green Electronics Notes: 1.
No purposely added lead.
Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU...


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