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ACT4513 数据表(PDF) 4 Page - Active-Semi, Inc

部件名 ACT4513
功能描述  Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
PDF  15 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT4513 数据表(HTML) 4 Page - Active-Semi, Inc

  ACT4513 Datasheet HTML 1Page - Active-Semi, Inc ACT4513 Datasheet HTML 2Page - Active-Semi, Inc ACT4513 Datasheet HTML 3Page - Active-Semi, Inc ACT4513 Datasheet HTML 4Page - Active-Semi, Inc ACT4513 Datasheet HTML 5Page - Active-Semi, Inc ACT4513 Datasheet HTML 6Page - Active-Semi, Inc ACT4513 Datasheet HTML 7Page - Active-Semi, Inc ACT4513 Datasheet HTML 8Page - Active-Semi, Inc ACT4513 Datasheet HTML 9Page - Active-Semi, Inc Next Button
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ACT4513
Rev 6, 29-Jul-11
Active-Semi
Innovative Power
TM
- 4 -
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
10
40
V
VIN UVLO Turn-On Voltage
Input Voltage Rising
9.05
9.35
9.65
V
VIN UVLO Hysteresis
Input Voltage Falling
1.1
V
VEN = 3V, VFB = 1V
1.0
mA
VEN = 3V, VOUT = 5V, No load
2.5
mA
Shutdown Supply Current
VEN = 0V
75
100
µA
Feedback Voltage
792
808
824
mV
Internal Soft-Start Time
400
µs
Error Amplifier Transconductance
VFB = VCOMP = 0.8V, ∆ICOMP = ± 10µA
650
µA/V
Error Amplifier DC Gain
4000
V/V
Switching Frequency
VFB = 0.808V
190
210
240
kHz
Foldback Switching Frequency
VFB = 0V
30
kHz
Maximum Duty Cycle
88
%
Minimum On-Time
200
ns
COMP to Current Limit Transconductance VCOMP = 1.2V
3.4
A/V
Secondary Cycle-by-Cycle Current Limit
Duty = 50%
3.2
A
Slope Compensation
Duty = DMAX
0.75
A
ISET Voltage
1
V
ISET to IOUT DC Room Temp Current
Gain
IOUT / ISET
25000
A/A
CC Controller DC Accuracy
RISET = 19.6kΩ, VIN = 10V - 30V
1274
1300
1326
mA
EN Threshold Voltage
EN Pin Rising
0.75
0.8
0.85
V
EN Hysteresis
EN Pin Falling
80
mV
EN Internal Pull-up Current
4
µA
High-Side Switch ON-Resistance
0.22
Ω
SW Off Leakage Current
VEN = VSW = 0V
1
10
µA
Thermal Shutdown Temperature
Temperature Rising
155
°C
Standby Supply Current
ELECTRICAL CHARACTERISTICS
(VIN = 14V, TA = 25°C, unless otherwise specified.)



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