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ACT4527 Datasheet(PDF) 4 Page - Active-Semi, Inc

Part # ACT4527
Description  40V/3.0A CV/CC Buck Converter Featuring USB-PD
PDF  13 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4527 Datasheet(HTML) 4 Page - Active-Semi, Inc

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ACT4527
Rev 1, December 28
th, 2015
Innovative Power
TM
- 4 -
www.active-semi.com
Copyright
©
2
0
1
5
A
c
t
i
v
e
-Semi, Inc.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
s
Input Over Voltage Protection
VIN_OVP
Rising
40
42
44
V
Input Over Voltage Hysteresis
4
V
Input Over Voltage Response Time
T_VIN_OVP
VIN step from 30V to 45V
250
ns
Input Under Voltage Lockout (UVLO)
VIN
Rising
4.5
V
Input UVLO Hysteresis
200
mV
Input Voltage Power Good Deglitch
Time
No OVP
40
ms
Input Voltage Power Good Deglitch
Time
No UVP
10
us
Input Standby Current
Vin=12V, Vout=5.1V, Iload=0
500
uA
Output Voltage Regulation
CSP
5.05
9.0
11.95
5.1
9.1
12.1
5.15
9.2
12.25
V
Output Over Voltage Protection
(OVP)
Output rising
5.7
10.1
13.5
V
Output Over Voltage Deglitch Time
1.0
us
Output Voltage Cord Compensation
60 mV between CSP and CSN
-15%
200
+15%
mV
Output Under Voltage Protection
(UVP)
VOUT
VOUT falling
-10%
3.2
10%
V
UVP Hysteresis
VOUT
VOUT rising
0.2
V
UVP Deglitch Time
VOUT
10
us
UVP Blanking Time at Startup
3.5
ms
Output Constant Current Limit
Rcs=20m
Ù
3.1
3.3
3.5
A
Hiccup Waiting Time
4.13
S
Top FET Cycle by Cycle Current
Limit
4.5
5.8
A
Top FET Rdson
70
m
Ω
Bottom FET Rdson
4.7
Ω
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA = 25
°
C
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s
s
o
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r
w
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)



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