ACT4515(2011) データシートの表示（PDF） - Active-Semi, Inc
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ACT4515 Datasheet PDF : 16 Pages
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Active-Semi
ACT4515
Rev 4, 21-Jul-11
ELECTRICAL CHARACTERISTICS
(VIN = 14V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
Input Voltage
VIN UVLO Turn-On Voltage
VIN UVLO Hysteresis
Input Voltage Rising
Input Voltage Falling
VIN OVP Turn-Off Voltage
Input Voltage Rising
VIN OVP Hysteresis
Input Voltage Falling
Standby Supply Current
VEN = 3V, VFB = 1V
VEN = 3V, VO = 5V, No load
Shutdown Supply Current
VEN = 0V
Feedback Voltage
Internal Soft-Start Time
Error Amplifier Transconductance
VFB = VCOMP = 0.8V, ∆ICOMP = ± 10µA
Error Amplifier DC Gain
Switching Frequency
Foldback Switching Frequency
Maximum Duty Cycle
VFB = 0.808V
VFB = 0V
Minimum On-Time
COMP to Current Limit Transconductance VCOMP = 1.2V
Switch Current Limit
Duty = 50%
Slope Compensation
Duty = DMAX
ISET Voltage
ISET to IOUT DC Room Temp Current
Gain
IOUT / ISET
CC Controller DC Accuracy
EN Threshold Voltage
RISET = 19.6kΩ
EN Pin Rising
EN Hysteresis
EN Pin Falling
EN Internal Pull-up Current
High-Side Switch ON-Resistance
SW Off Leakage Current
VEN = VSW = 0V
Thermal Shutdown Temperature
Temperature Rising
MIN
10
9.05
32.5
792
190
TYP
9.35
1.1
34.5
1.75
1.0
2.5
75
808
400
650
4000
210
30
88
200
1.75
1.8
0.75
1
MAX
40
9.65
36.5
100
824
240
UNIT
V
V
V
V
V
mA
mA
µA
mV
µs
µA/V
V/V
kHz
kHz
%
ns
A/V
A
A
V
25000
A/A
1274 1300 1326 mA
0.75 0.8 0.85
V
80
mV
4
µA
0.3
Ω
1
10
µA
155
°C
Innovative PowerTM
-4-
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
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