APW7302 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APW7302 Datasheet PDF : 19 Pages
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APW7302
Recommended Operating Conditions (Cont.) (Note 3)
Symbol
Parameter
TA
Ambient Temperature
TJ
Junction Temperature
Note 3: Refer to the typical application circuit.
Range
-40 ~ 85
-40 ~ 125
Unit
oC
oC
Electrical Characteristics
Unless otherwise specified, these specifications apply over VIN=12V, VOUT= 3.3V, VEN=3V and TA=25oC.
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 Rising
VIN POR Hysteresis
REFERENCE VOLTAGE
VREF Reference Voltage
Regulated on FB pin
OSCILLATOR AND DUTY CYCLE
FOSC Oscillator Frequency
Foldback Frequency
VFB=0V
Maximum Converter’s Duty
Minimum On Time
(Note 4)
POWER MOSFET
High/low Side MOSFET On Resistance
High/Low Side MOSFET Leakage
Current
IOUT=2A
VEN=0V
CURRENT-MODE PWM CONVERTER
Gm Error Amplifier Transconductance
Error Amplifier Voltage Gain
COMP=NC (Note 4)
Switch Current to COMP Voltage
Transconductance
PROTECTIONS
ILIM High Side MOSFET Current-Limit
Peak Current
Low Side MOSFET Current-Limit
TOTP Over-Temperature Trip Point
Over-Temperature Hysteresis
Over-Voltage Protection
From Drain to Source
(Note 4)
(Note 4)
(Note 4)
APW7302
Unit
Min.
Typ.
Max.
-
1.9
-
mA
-
20
-
µA
3.9
4.1
4.3
V
-
0.5
-
V
0.9
0.92
0.94
V
310
340
370
kHz
-
110
-
kHz
-
90
-
%
-
220
-
ns
-
130
-
mΩ
-
-
10
µA
-
800
-
µA/V
-
400
-
V/V
-
4.5
-
A/V
-
3.5
-
A
-
1
-
A
-
160
-
°C
-
50
-
°C
-
120
-
%
Copyright © ANPEC Electronics Corp.
3
Rev. A.4 - Nov., 2011
www.anpec.com.tw
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