AP65453SP-13 datasheet, PDF - EEWORLD Datasheet

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AP65453SP-13: DescriptionSwitching Voltage Regulators DCDC Conv HV 4.5V to 18V 4A FET; Categorysemiconductor Power management; File Size1MB，14 Pages; ManufacturerDiodes; Websitehttp://www.diodes.com/

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AP65453SP-13 Overview

Switching Voltage Regulators DCDC Conv HV 4.5V to 18V 4A FET

AP65453SP-13 Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Diodes
Product Category	Switching Voltage Regulators
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	SO-8
Output Voltage	0.76 V to 6 V
Output Current	4 A
Number of Outputs	1 Output
Input Voltage MAX	18 V
Topology	Buck
Input Voltage MIN	4.5 V
Switching Frequency	650 kHz
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Packaging	Cut Tape
Packaging	MouseReel
Packaging	Reel
Input Voltage	4.5 V to 18 V
Operating Temperature Range	- 40 C to + 85 C
Quiescent Current	0.6 mA
Type	DC-DC Voltage Converter
Shutdown	Shutdown
Moisture Sensitive	Yes
Factory Pack Quantity	2500
Unit Weight	0.002610 oz

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AP65453

4A, 18V, 650kHz ADAPTIVE COT STEP-DOWN CONVERTER

Description

The AP65453 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 )

VREG5

VIN

GND

ADVANCED INFORMATION

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 adaptive, constant on-time control supports seamless transition

between continuous conduction mode (CCM) at higher load

conditions and discontinuous conduction mode (DCM) at lighter load

conditions.

DCM allows AP65453 to maintain high efficiency at light load

conditions. The AP65453 also features programmable soft-start,

UVLO, OTP and OCP to protect the circuit.

This IC is available in SO-8EP package.

SO-8EP

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

4A Continuous Output Current

650kHz Switching Frequency

Built-in Over Current Limit

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 (RoHS 2) compliant.

2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"

and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

AP65453

Document number: DS37999 Rev. 1 - 2

1 of 14

www.diodes.com

June 2015

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