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APW7322AQBI-TRG

Description
2A, 5V, 1MHz Synchronous Buck Converter
File Size355KB,22 Pages
ManufacturerAnpec
Websitehttp://www.anpec.com.tw/
Download Datasheet Compare View All

APW7322AQBI-TRG Overview

2A, 5V, 1MHz Synchronous Buck Converter

APW7322/A
2A, 5V, 1MHz Synchronous Buck Converter
Features
High Efficiency up to 94%
Adjustable Output Voltage from 0.8V to V
PVDD
Operating from 2.9 to 6V Supply
Integrated 85mΩ High Side / 75mΩ Low Side
MOSFETs
Low Dropout Operation: 100% Duty Cycle
Stable with Low ESR Ceramic Capacitors
Current up to 2A
Power-On-Reset Detection on VCC and VIN
Mode Selestion :
APW7322 : Automatic PFM/PWM
APW7322A : Forced PWM
General Description
APW7322/A is a synchronous buck converters with inte-
grated 85mΩ high side and 75mΩ low side power
MOSFETs. The APW7322/A with a current-mode control
scheme can convert wide input voltage of 2.9V to 6V to
the output voltage adjustable from 0.8V to 6V to provide
excellent output voltage regulation.
The APW7322/A is equipped with an automatic Skip/PWM
mode operation. At light load , the IC operates in the Skip
mode to reduce the switching losses. At heavy load, the
IC works in PWM mode.
The APW7322/A is also equipped with Power-on-reset,
soft start, soft-stop, and whole protections (under-voltage,
over-voltage, over-temperature and current-limit) into a
single package.
This device, available in SOP-8, TDFN3x3-10 packages,
provides a very compact system solution external com-
ponents and PCB area.
Integrate Soft-Start and Soft-Stop
Over-Temperature Protection
Over-Voltage Protection
Under-Voltage Protection
High/ Low Side Current Limit
Power Good Indication
Enable/Shutdown Function
Available in SOP-8P and TDFN3x3-10 Packages
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
8
7
6
5
VIN
LX
PGND
EN
Notebook Computer & UMPC
LCD Monitor/TV
Set-Top Box
DSL, Switch HUBr
Portable Instrument
Pin Configuration
VCC 1
POK 2
GND 3
FB 4
Simplified Application Circuit
V
IN
SOP-8
(Top View)
EN
PGND
PGND
LX
LX
1
2
3
4
5
10
9
8
7
6
FB
GND
POK
VCC
VIN
VIN
C2
R3
VCC
ON
POK
L1
LX
R1
V
OUT
C4
EP
C3
APW7322/A
FB
EN
GND PGND
OFF
TDFN3x3-10
(Top View)
EP
R2 C1
(optional)
Exposed Pad
(connected to GND plane for better heat dissipation)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright
©
ANPEC Electronics Corp.
Rev. A.6 - Aug., 2013
1
www.anpec.com.tw

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