APW7323 Datasheet, PDF (1/22 Pages) Anpec Electronics Coropration – 3.2A, 5V, 1MHz Synchronous Buck Converter

APW7323/A
3.2A, 5V, 1MHz Synchronous Buck Converter
Features
General Description
• High Efficiency up to 94%
APW7323/A is a synchronous buck converters with inte-
• Adjustable Output Voltage from 0.8V to V_PVDD
• Operating from 2.9 to 6V Supply
grated 85mΩ high side and 75mΩ low side power
MOSFETs. The APW7323/A with a current-mode control
• Integrated 85mΩ High Side / 75mΩ Low Side ^{scheme can convert wide input voltage of 2.9V to 6V to}
MOSFETs
the output voltage adjustable from 0.8V to 6V to provide
excellent output voltage regulation.
• Low Dropout Operation: 100% Duty Cycle
The APW7323/A is equipped with an automatic Skip/PWM
• Stable with Low ESR Ceramic Capacitors
mode operation. At light load , the IC operates in the Skip
• Current up to 3.2A
mode to reduce the switching losses. At heavy load, the
• Power-On-Reset Detection on VCC and VIN
IC works in PWM mode.
• Model Selection :
The APW7323/A is also equipped with Power-on-reset,
APW7323 : Automatic PFM/PWM
soft start, soft-stop, and whole protections (under-voltage,
APW7323A : Forced PWM
over-voltage, over-temperature and current-limit) into a
• Integrate Soft-Start and Soft-Stop
• Over-Temperature Protection
• Over-Voltage Protection
• Under-Voltage Protection
single package.
This device, available in SOP-8P and TDFN3x3-10
packages, provides a very compact system solution ex-
ternal components and PCB area.
• High/ Low Side Current Limit
• Power Good Indication
• Enable/Shutdown Function
Simplified Application Circuit
• Available in SOP-8P and TDFN3x3-10 Package
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• Notebook Computer & UMPC
• LCD Monitor/TV
• Set-Top Box
• DSL, Switch HUBr
• Portable Instrument
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.
1
Rev. A.5 - Aug., 2013
www.anpec.com.tw