APW7128QA 查看數據表（PDF） - Anpec Electronics
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APW7128QA Datasheet PDF : 16 Pages
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APW7128
Electrical Characteristics (Cont.)
VIN=6V, TA = -40 to 85°C, unless otherwise specified. Typical values refer to TA =25°C.
Symbol
Parameter
Test Conditions
ERROR AMPLIFIER
gm
Error Amplifier Transconductance
ICOMP
COMP Output Current
VFB
FB Voltage
Minimum FB Voltage
IFB
FB Input Bias Current
FB Line Regulation
INTERNAL POWER SWITCH
Power Switch Current-Limit
RDS(ON)
Power Switch On Resistance
LX Leakage Current
FSW
Switching Frequency
DMAX
ALS
LX Maximum Duty Cycle
ALS Ratio
ALS Pin Leakage
OUTPUT OVER-VOLTAGE PROTECTION
Over-Voltage Threshold
OVP Hysteresis
OVP Leakage Current
CONTROL LOGIC PIN
EN High-Level Input Voltage
EN Low-Level Input Voltage
EN Leakage Current
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
sourcing and sinking, VCOMP=1.5V
VALS=0.3V
VIN=2.7V to 21V
VLX=30V
VALS=1V, VALS/VFB
VALS=5V
VEN=21V
APW7128
Unit
Min. Typ. Max.
-
350
-
µA/V
-
50
-
µA
485
500
515 mV
188
200
212 mV
-
-
1
µA
-
0.02 0.04 %/V
2.5
3.5
4.5
A
-
50
100 mΩ
-
-
1
µA
0.9
1.2
1.5 MHz
92
95
98
%
2.9
3
3.1 V/V
-
-
1
µA
30
32
34
V
2
3
4
V
-
-
30
µA
2.4
-
-
V
-
-
0.4
V
-
-
1
µA
-
150
-
°C
-
50
-
°C
Copyright © ANPEC Electronics Corp.
3
Rev. A.2 - Aug., 2010
www.anpec.com.tw
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