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APW7318 Datasheet Preview

APW7318 Datasheet

Synchronous Step-Down Converter

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APW7318
High Efficiency 16V, 500kHz Synchronous Step-Down Converter
Features
l Wide 4.5V to 16V Operating Input Range
l Low RDS(ON) Internal Power MOSFETs
l Low Quiescent Current
l Fast Load Transient Response
l Fixed 500kHz Switching Frequency
l Build-in soft start function
l Output Adjustable from 0.8 V to 5V
l Protection
-Output Over-Voltage Protection
-Output Under-Voltage Protection
-Over-Current Protection
-Input Over-Voltage Protection
-Over-Temperature Protection
l Available in FC-TSOT-23-6 Package
l Lead Free and Green Devices Available (RoHS
Compliant)
General Description
APW7318 is a high efficiency synchronous buck converter
with integrated 60m/37mΩ of upper/lower power
MOSFET. The APW7318 design with a COT-mode
control 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 APW7318 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 APW7318
provides very high efficiency over light to heavy loads with
loading-modulated switching frequencies.
The APW7318 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.
Simplified Application Circuit
Pin Configuration
VIN
VIN
EN
BST
SW
APW7318
FB
GND
VOUT
Applications
l LCD TVs
l LCD Monitors
l Networking Systems
l Distributed Power Systems
Copyright©ANPEC Electronic Corp.
-1-
Rev. A.7 Apr, 2018
www.anpec.com.tw




ANPEC

APW7318 Datasheet Preview

APW7318 Datasheet

Synchronous Step-Down Converter

No Preview Available !

APW7318
Ordering and Marking Information
APW7318
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
APW7318 CT :
W18X
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)
Symbol
Parameter
Rating
Unit
VIN
VIN to GND Voltage
VEN
EN to GND Voltage
-0.3 ~ 18
V
-0.3 ~ 18
V
VSW
SW to GND Voltage
>20ns
<20ns
-1 ~ VIN+0.3
V
-3 ~ VIN+3
V
VBST
BST to GND Voltage
VSW-0.3 ~VSW +6
V
VBST_SW
BST Supply Voltage (BST to SW)
-0.3 ~ 6
V
VI/O
All other pins
-0.3 ~ 6
V
PD
Power Dissipation
Internally Limited
W
TJ
Maximum Junction Temperature
-40 ~ 150
oC
TSTG
Storage Temperature
TSDR
Maximum Lead Soldering Temperature (10 Seconds)
-65 ~ 150
oC
260
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 underrecommended operating conditionsis not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Thermal Characteristics
Symbol
Parameter
θJA
Junction-to-Ambient Resistance in free air (Note 2)
Typical Value
60
θJC
Junction-to-Case Resistance in free air (Note 2)
10
Note 2: θJA and θJC is measured with the component mounted on a high effective thermal conductivity test board in free air.
Unit
oC/W
Recommended Operating Conditions(Note 4)
Symbol
Parameter
VIN
VIN Supply Voltage
VOUT
Converter Output Voltage
IOUT
Converter Output Current
TA
Ambient Temperature
TJ
Junction Temperature
Note 3 : Refer to the typical application circuit
Copyright©ANPEC Electronic Corp.
-2-
Rev. A.7 Apr, 2018
Range
Unit
4.5 ~ 16
V
0.8 ~ 5
V
0~3
A
-40 ~ 85
oC
-40 ~ 125
oC
www.anpec.com.tw



Part Number APW7318
Description Synchronous Step-Down Converter
Maker ANPEC
Total Page 3 Pages
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APW7318 Datasheet PDF





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