ACT6358(2007) Ver la hoja de datos (PDF) - Active-Semi, Inc
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ACT6358 Datasheet PDF : 10 Pages
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ACT6357/ACT6358
Rev PrB, 30-Aug-07
ELECTRICAL CHARACTERISTICS
(VIN = VEN = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
Power Switch Voltage Rating
Input Voltage
Under Voltage Lockout Threshold
Under Voltage Lockout Hysteresis
Supply Current
Supply Current in Shutdown
Maximum On Time
Maximum On Time Constant (K)
Minimum Off Time
FB Feedback Voltage
∆VFB/∆VBC Ratio
FB Input Current
BC Input Impedance
Switch Current Limit
Switch On Resistance
Switch Leakage Current
Over Voltage Protection Threshold
OV Input Current
EN Logic High Threshold
EN Logic Low Threshold
EN Input Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
TEST CONDITIONS
VIN Rising
Not Switching
Switching
EN = G
VIN = 3.3V
K = tMAXON × VIN
VBC = 3.3V
VBC = 1.25V
VBC = 0.625V
VFB = 1V
VBC = 0 to 1.25V
ACT6357
ACT6358
VIN = 3.3V
VSW = 38V, EN = G
VOV Rising
VOV = 1.5V
VEN = 0V or 5V
MIN
2.6
2.1
2.6
220
275
197
98
320
620
1.11
1.4
TYP MAX UNIT
40
V
5.5
V
2.25 2.45 V
80
mV
0.1 0.25
mA
0.25 0.5
0.1 10
µA
4.0 5.8
µs
13.2
µs × V
320 450 ns
290 305
207 217 mV
106 114
0.16
V/V
0 200 nA
400
kΩ
500 750
mA
1000 1500
0.55 0.9
Ω
10
µA
1.21 1.31 V
0 200 nA
V
0.4
V
0
1
µA
160
°C
20
°C
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Copyright © 2007 Active-Semi, Inc.
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