APW7313 Просмотр технического описания (PDF) - Anpec Electronics
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APW7313 Datasheet PDF : 20 Pages
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APW7313
Recommended Operating Conditions (Note 4)
Symbol
VIN
VIN Supply Voltage
VOUT
Converter Output Voltage
IOUT
Converter Output Current
TA
Ambient Temperature
TJ
Junction Temperature
Note 4 : Refer to the typical application circuit.
Parameter
Range
Unit
4.5 ~ 24
V
0.92~20
V
0~3
A
-40 ~ 85
oC
-40 ~ 125
oC
Electrical Characteristics
Refer to the typical application circuits. These specifications apply over VIN=12V, VOUT=3.3V, VEN=3V and TA=25°C.
Symbol
Parameter
Test Conditions
SUPPLY CURRENT
IVIN VIN Supply Current
VFB=1V, VEN=3V, LX=NC
IVIN_SD VIN Shutdown Supply Current
POWER-ON-RESET (POR)
VEN=0V
VIN POR Voltage Threshold
VIN POR Hysteresis
VIN Rising
REFERENCE VOLTAGE
VREF Reference Voltage
Regulated on FB pin
OSCILLATOR AND DUTY CYCLE
FOSC Oscillator Frequency
Foldback Frequency
Maximum Converter’s Duty
Minimum On Time
VFB=0V
VFB=0.925V
(Note 5)
PFM MODE OPERATION
IPK_PFM PFM Mode Current Limit
IPK_TH PWM to PFM Inductor Peak Threshold
POWER MOSFET
High/low Side MOSFET On Resistance
High/Low Side MOSFET Leakage
Current
VEN=0V, VLX=0V
CURRENT-MODE PWM CONVERTER
GEA Error Amplifier Transconductance
Error Amplifier Voltage Gain
Switch Current to COMP Voltage
Transresistance
APW7313
Min.
Typ.
Max.
-
1.9
-
-
0.3
-
3.8
4.05
4.4
-
0.3
-
0.9
0.925 0.943
300
340
380
-
110
-
-
90
-
-
220
-
-
0.8
-
-
0.6
-
-
110
-
-
-
10
-
820
-
-
80
-
-
5.2
-
Unit
mA
µA
V
V
V
kHz
kHz
%
ns
A
A
mΩ
µA
µA/V
V/V
A/V
Copyright © ANPEC Electronics Corp.
3
Rev. A.6 - Apr., 2013
www.anpec.com.tw
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