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ANPEC

APW7317 Datasheet Preview

APW7317 Datasheet

Synchronous Step-Down Converter

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APW7317
High Efficiency 16V, 500kHz Synchronous Step-Down Converter
Features
Wide 4.5V to 16V Operating Input Range
Low RDS(ON) Internal Power MOSFETs
Low Quiescent Current
Fast Load Transient Response
Fixed 500kHz Switching Frequency
Build-in soft start function
Output Adjustable from 0.8 V to 5V
Protection
-Output Over-Voltage Protection
-Output Under-Voltage Protection
-Over-Current Protection
-Input Over-Voltage Protection
-Over-Temperature Protection
Available in FC-TSOT-23-6 Package
Lead Free and Green Devices Available (RoHS
Compliant)
General Description
APW7317 is a high efficiency synchronous buck converter
with integrated 90m/56mof upper/lower power
MOSFET. The APW7317 design with a COT-mode con-
trol scheme, can convert wide input voltage of 4.5V to 16V
to the output voltage adjustable from 0.8V to 5V to provide
excellent output voltage regulation.
The APW7317 is equipped with an automatic PFM/PWM
mode operation. At light load, the IC operates in the PFM
mode to reduce the switching losses. The APW7317 pro-
vides very high efficiency over light to heavy loads with
loading-modulated switching frequencies.
The APW7317 is also equipped with Power-on-reset,
softstart, and whole protections (over-temperature, over-
voltage, under-voltage, over-current and input over-
voltage) into a single package.
This device, available in FC-TSOT-23-6 package, provides
a very compact system solution external components and
PCB area.
Applications
Simplified Application Circuit
LCD Monitors
LCD TVs
VIN
Networking Systems
Distributed Power Systems
VIN
EN
BST
SW
VOUT
Pin Configuration
GND 1
SW 2
VIN 3
6 BST
5 EN
4 FB
FC-TSOT-23-6
Top View
APW7317
FB
GND
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 - May., 2017
www.anpec.com.tw




ANPEC

APW7317 Datasheet Preview

APW7317 Datasheet

Synchronous Step-Down Converter

No Preview Available !

APW7317
Ordering and Marking Information
APW7317
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
CT : FC-TSOT23-6
Operating Ambient Temperature Range
I : -40 to 85oC
Handling Code
TR : Tape & Reel
Assembly Material
G : Halogen and Lead Free Device
APW7317 CT :
W17X
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS and compatible with both SnPb and lead-free soldiering operations. ANPEC lead-free products meet or
exceed the leadfree requirements of IPC/JEDEC J STD-020C for MSL classification at lead-free peak reflow temperature.
Absolute Maximum Ratings (Note 1)
Sym bol
P arame ter
Ra ting
Unit
VIN
VEN
VSW
VBST
VBST _SW
VIN to GND Vo lta ge
EN to GND Voltage
SW to GND Voltage
BST to GND Voltage
BST Su pply Vo ltag e ( BST to SW)
>20 ns
<20 ns
- 0.3 ~ 18
V
- 0.3 ~ 18
V
-1 ~ V IN+0.3
V
-3 ~ V IN+3
V
VSW-0.3 ~VSW +6
V
-0.3 ~ 6
V
VI/O
Al l othe r p ins
-0.3 ~ 6
V
PD
TJ
TSTG
TSDR
Po we r Dissipation
Maximum Junctio n Tempe rature
Storag e Tempe rature
Maximum Lead Solde ring Temperature (1 0 Second s)
In ter nally Limited
W
-4 0 ~ 150
oC
-6 5 ~ 150
oC
2 60
oC
Note 1: Stresses beyond those listed under absolute maximum ratingsmay cause permanent damage to the device. These are
stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under¡§recommended
operating conditions¡¨is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Copyright © ANPEC Electronics Corp.
2
Rev. A.5 - May., 2017
www.anpec.com.tw



Part Number APW7317
Description Synchronous Step-Down Converter
Maker ANPEC
Total Page 3 Pages
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APW7317 Datasheet PDF





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