APW7158 データシートの表示（PDF） - Anpec Electronics
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APW7158 Datasheet PDF : 24 Pages
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APW7158
Electrical Characteristics (Cont.)
Operating Conditions: VCC = 5V, VCC12 = 12V, TA = -20 to 70°C. Typical values are at TA =25°C. Unless Otherwise Specified.
Symbol
Parameter
Test Conditions
APW7158
Unit
Min. Typ. Max.
ERROR AMPLIFIER (OUT1 AND OUT2) (CONT.)
Maximum COMP High Voltage
COMP1/2, RL = 10kΩ to ground; (may trip
short-circuit)
-
VCC
-
V
COMP Source Current
COMP1/2, VCOMP=2V
-
-50
-
mA
COMP Sink Current
COMP1/2, VCOMP=2V
-
45
-
mA
PROTECTION AND MONITOR
Short-Circuit Protection
Threshold
VCOMP1 and VCOMP2 rising
-
3.3
-
V
Short-Circuit Protection Filter
Time
Based on internal oscillator clock
frequency (nominal 300kHz = 3.3µs clock
period)
1
-
2
Clock
pulses
VREF
VREF VREF Output Voltage
VREF Output Accuracy
VREF Source Current
REFOUT
VREFOUT REFOUT Output Voltage
REFOUT Offset Voltage
REFOUT Source Current
REFOUT Sink Current
REFOUT Output Capacitance
ENABLE/SOFT-START (SS/EN 1,2)
Determined by REFIN voltage
-
3.3
-0.8
-
-
-
-
V
0.8
%
2.0 mA
0.6
-
3.3
V
-10
-
10
mV
-
-
20
mA
-
-
0.48 mA
0.4
0.1
2.2
µF
Enable Threshold Voltage
SS/EN Pin Soft-Start Current
High level input voltage
Low level input voltage
2
-
-
V
-
-
0.4
-
-30
-
µA
Soft-Start High Voltage
GATE DRIVERS
OUT1 GATE Driver Source
OUT2 GATE Driver Source
OUT1 GATE Driver Sink
OUT2 GATE Driver Sink
End of ramp
VUGATE1, VLGATE1=3V, VBOOT=12V
VUGATE2, VLGATE2=3V, VBOOT=12V
VUGATE1, VLGATE1=3V, VCC12=12V
VUGATE2, VLGATE2=3V, VCC12=12V
-
3.5
-
V
-
1.8
-
A
-
1
-
A
-
2.5
-
Ω
-
4
-
Ω
Copyright © ANPEC Electronics Corp.
4
Rev. A.2 - Aug., 2009
www.anpec.com.tw
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