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ACT6390 датащи(PDF) 4 Page - Active-Semi, Inc

номер детали ACT6390
подробное описание детали  1.7A/2.5A PWM Step-Up DC/DC Converters In MSOP
PDF  12 Pages
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производитель  ACTIVE-SEMI [Active-Semi, Inc]
домашняя страница  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT6390 датащи(HTML) 4 Page - Active-Semi, Inc

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ACT6390/ACT6391
Rev 1, 22-Aug-13
Innovative PowerTM
- 4 -
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
(VIN = VEN = 3V, VFREQ = 0V, TA = 25°C, unless otherwise specified.)
ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Switch Voltage Rating
12
V
Input Voltage
2.7
5.5
V
Under Voltage Lockout Threshold
VIN Rising
2.2
2.35
2.5
V
Under Voltage Lockout Hysteresis
65
mV
Quiescent Supply Current
VFB = 1.3V, Not Switching
0.2
0.35
mA
VFB = 1.0V, Switching
ACT6390
1
4
ACT6391
1.4
4
Supply Current in Shutdown
EN = G
0.1
10
µA
Switching Frequency
FREQ = G
490
700
910
kHz
FREQ = IN
900
1300
1700
kHz
Maximum Duty Cycle
FREQ = G
80
86
92
%
FREQ = IN
86
FB Feedback Voltage
1.22
1.24
1.26
V
FB Input Current
VFB = 1.27V
0
80
nA
FB Voltage Line Regulation
VFB from 2.6V to 5.5V
0.05
0.15
%/V
Error Amplifier Trans-conductance
ΔI = 5µA
70
150
240
µs
Error Amplifier Output Current
VFB = 1.15V and 1.35V, VCOMP = 1.1V
11
µA
Switch Current Limit
VFB = 1V, Duty Cycle = 65%
ACT6390
1.2
1.7
2.3
A
ACT6391
1.8
2.5
3.4
Switch On Resistance
ACT6390
0.2
0.4
Ω
ACT6391
0.15
0.3
Switch Leakage Current
VSW = 12V, EN = G
15
µA
Current Sense Trans-resistance
ACT6390
0.45
V/A
ACT6391
0.3
Soft Start Pin Bias Current
VSS = 1.2V
2
4.5
7
µA
Soft Start Reset Resistance
VSS = 1.2V, VEN = 0V
110
220
Ω
Logic High Threshold
EN, FREQ
1.4
V
Logic Low Threshold
EN, FREQ
0.4
V
EN Input Current
VEN = 0V or 5V
0
1
µA
FREQ Pull-down Current
VFREQ = 3V
2.5
5.5
8.5
µA
Thermal Shutdown Temperature
160
°C
Thermal Shutdown Hysteresis
20
°C



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