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APW3007 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 APW3007
기능 Advanced Dual PWM and Dual Linear Power Controller
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APW3007 데이터시트, 핀배열, 회로
APW3007
Advanced Dual PWM and Dual Linear Power Controller
Features
General Description
Provides 4 Regulated Voltages
The APW3007 provides the power control and pro-
Microprocessor Core , I/O , Clock Chip and
tection for four output voltage in high-performance mi-
croprocessor and computer applications.
GTL Bus
The APW3007 is designed to provide termination
Simple Single-Loop Control Design
Voltage-Mode PWM Control
voltage VTT(1.25V) with ±1% accuracy.
It integrates two PWM controllers , a linear regulator
and a liear controller as well as the monitoring and
Fast Transient Response
High-Bandwidth Error Amplifier
protection function into a single package. One PWM
controller regulates the microprocessor core voltage
with a synchronous-rectified buck converter , while the
Full 0% to 100% Duty Ratio
Excellent Output Voltage Regulation
second PWM controller supplies the I/O 3.3V power
with a standard buck converter. The linear controller
regulates power for GTL bus and the intermal 200mA
Core PWM Output : ±1% Over Temperature
I/O PWM Output : ±2% Over Temperature
regulator for clock driver circuits.
The APW3007 can provide in excess of 14A of out-
put current for an on-board DC/DC converter via in-
Other Output : ±2.5% Over Temperature
Power-Good Output Voltage Monitor
ternal reference voltage. It can monitor all the output
voltage , and a single Power Good signal is issued
when the core is within 10% of the internal reference
Microprocessor Core Voltage Protection Against voltage and the other levels are above their under-
voltage levels. Additional built-in over-voltage protec-
Shorted MOSFET
tion for the core output uses the lower MOSFET to
Over-Voltage and Over-Current Fault Monitors prevent output voltage above 115% of the reference
Small Converter Size
voltage. The PWM controller’s over-current function
monitor the output current by sensing the voltage drop
Constant Frequency Operation
200kHz Free-Running Oscillator ;
across the upper MOSFET’s R , eliminating the
DS(ON)
need for a current sensing resistor.
Programmagle from 50kHz to 800kHz
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.5 - Jun., 2003

www.anpec.com.tw




APW3007 pdf, 반도체, 판매, 대치품
APW3007
Electrical Characteristics
(Recommended operating conditions , Unless otherwise noted) Refer to Block and Simplified Power System
Diagrams , and Typical Application Schematic.
Symbol
Parameter
Test Conditions
Supply UVLO Section
UVLO Threshold-12V
Supply ramping up
UVLO Hysterises-12V
UVLO Threshold-5V
Supply ramping up
UVLO Hysterises-5V
Supply Current
I12
I5
Oscillator
Nominal Supply Current
V12
V5
FOCS Free Running Frequency
VOSC Ramp Amplitude
Switching Controller Reference Voltage
RT= Open
RT= Open
VREF Reference Voltage
APW3007-12
APW3007-13
Reference Voltage accuracy
VFB2 Output Voltage
VFB2 Voltage Accuracy
2.5V Regulator (Vout4)
Vo4 Reference Voltage
Dropout Voltage
TA=25 , Vout4=FB4
Io=200mA
Load Regulation
1mA<Io<200mA
Line Regulation
3.1V<VIO<4V , Vo=2.5V
Input bias Current
Output Current
Current Limit
Thermal Shutdown
1.5V Regulator (Vout3)
Vo3 Reference Voltage
TA=25 , GATE=FB3
Reference Voltage Accaracy
Input bias current
Output Drive Current
APW3007
Min Typ Max
9.5
0.5
4.3
0.3
6
2
185 200 215
1.9
1.25
1.30
1.0
+1.0
2
-2 +2
1.26
0.6
0.5
0.2
200
300 420
150
2
1.26
-2.5 +2.5
2
50
Unit
V
V
V
V
mA
kHz
VP-P
V
%
V
%
V
V
%
%
µA
mA
mA
°C
V
%
µA
mA
CopyrightANPEC Electronics Corp.
Rev. A.5 - Jun., 2003
"
www.anpec.com.tw

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APW3007 전자부품, 판매, 대치품
APW3007
Functional Pin Description (Cont.)
GND (Pin 17)
VSEN1 (Pin 22).
Signal ground for the IC. All voltage levels are
measured with respect to this pin.
GATE3 (Pin 18)
This pin is connected to the PWM converters output
voltage . The PGOOD and OVP comparator circuits
use this signal to report output voltage status and for
over-voltage protection .
Connect this pin to the gate of an external MOSFET.
This pin provides the drive for the 1.5V regulators
pass transistor.
FB3 (Pin 19)
PGND (Pin 24)
This is the power ground connection . Tie the syn-
chronous PWM converters lower MOSFET source
to this pin .
Connect this pin to the output of the 1.5V linear
regulator. This pin is monitored for under-voltage
events.
FB1 (Pin21)
LGATE (Pin 25)
Connect LGATE to the PWM converters lower
MOSFET gate . This pin provides the gate drive for
the lower MOSFET .
This pin provides the feedback for the synchronous
switching regulator . Typically this pin can be con-
nected directly to the output of the switching regula-
tor . However , a resistor driver is recommended to
be connected from this pin to vout1 and GND to ad-
just the output voltage for any drop in the output volt-
age that is caused by the trace resistance . The value
of the resistor connected from Vou1 to FB1 must be
less than 100Ω .
UGATE (Pin 27)
Connect UGATE pin to the PWM converters upper
MOSFET gate . This pin provides the gate drive for
the upper MOSFET .
V12 (Pin28)
Provide a 12V bias supply for the IC to this pin . This
pin also provides the gate bias charge for all the
MOSFETs controlled by the IC . The voltage at this
pin is monitored for Power-On Reset purposes .
Simplified Power System Diagram
5V
C IN
3.3V
C IN
NVVDD
L1
C OUT
3.3V
FBVDDQ
C IN
C OUT
PW M2
C o n tro lle r
PW M1
C o n tro lle r
Linear
C o n tro lle r
Linear
R e gu la to r
L2
VTT
C OUT
V OUT 4
CopyrightANPEC Electronics Corp.
Rev. A.5 - Jun., 2003
%
www.anpec.com.tw

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Advanced Dual PWM and Dual Linear Power Controller

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