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APW3007 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 APW3007
기능 Advanced Dual PWM and Dual Linear Power Controller
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APW3007 데이터시트 및 APW3007 PDF

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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

4페이지

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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