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APW703512KC-TUL

Description
Power Management Circuit, PDSO20
CategoryPower/power management    The power supply circuit   
File Size127KB,11 Pages
ManufacturerAmerican Power Devices Inc.
Download Datasheet Parametric View All

APW703512KC-TUL Overview

Power Management Circuit, PDSO20

APW703512KC-TUL Parametric

Parameter NameAttribute value
MakerAmerican Power Devices Inc.
package instructionSOP, SOP20,.4
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
JESD-30 codeR-PDSO-G20
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
power supply12 V
Certification statusNot Qualified
Nominal supply voltage (Vsup)12 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Base Number Matches1
APW7035
Advanced PWM and Linear Power Control
Features
2 Regulated Voltage are provided
General Description
The APW7035 integrates PWM controller and linear
controller , as well as the monitoring and protection
functions into a single package , which provides two
controlled power outputs with over-voltage and over-
current protections. The PWM controller regulates
the DDR reference voltage (1.25V) or GPU Voltage
(2.05V) with a synchronous-rectified buck converter.
The linear controller regulates power for Memory
Voltage.
The precision reference and voltage-mode PWM
control provide
±1%
static regulation. The linear con-
troller drives an external N-channel MOSFET to pro-
vide adjustable voltage.
The APW7035 monitors all the output voltages , and
a single Power Good signal is issued when the PWM
Voltage is within
±10%
of the DAC setting and the
Linear regulator output levels are above their under-
voltage thresholds. Additional built-in over-voltage pro-
tection for the PWM output uses the lower MOSFET
to prevent output voltages above 115% of the DAC
setting. The PWM over-current function monitors the
output current by using the voltage drop across the
upper MOSFET’s R
DS(ON)
, eliminating the need for a
current sensing resistor.
The APW7035A/B/C/D support a TTL 3-input Digital
to Analog converter that adjusts the synchronous-
rectified buck converter output from 1.00V to 3.20V
, reference to Table1.
Switching Power for Fixed Voltage (1.25V /
2.05V) or Adjustable Voltage
Linear Regulator for FBVDDQ(2.5V)
Simple Single-Loop Control Design
Voltage-Mode PWM Control
Excellent Output Voltage Regulation
PWM Output : ±1%
Linear Output : ±3%
Fast Transient Response
High-Bandwidth Error Amplifier
Full 0% to 100% Duty Ratio
Power-Good Output Voltage Monitor
Over-Voltage and Over-Current Fault Monitors
Small Converter Size
Constant Frequency Operation(200kHz)
Reduce External Component Count
Applications
Motherboard Power Regulation for Computers
Low-Voltage Distributed Power Supplies
VGA Card Power Regulation
Termination Voltage
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.4 - Jul., 2001
1
www.anpec.com.tw

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