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ACT2801CQL-T Datasheet(PDF) 6 Page - Active-Semi, Inc

Part # ACT2801CQL-T
Description  5V/1.5A Backup Battery Pack Manager
PDF  23 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT2801CQL-T Datasheet(HTML) 6 Page - Active-Semi, Inc

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Rev 2, 15-Apr-14
Innovative PowerTM
- 6 -
www.active-semi.com
Copyright © 2014 Active-Semi, Inc.
ACT2801/ACT2801C
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
Precondition Voltage Threshold
VBAT rising, Rbtv=0
2.8
V
Precondition Voltage Threshold Hysteresis
130
mV
Low VBAT Charge Current
VBAT=1V, RICST=39kΩ
200
mA
EOC Current Threshold
Percent of the fast charge current
13
%
Charge Restart Voltage Threshold
200
mV
TH Upper Temperature Voltage Threshold
Cold detect NTC thermistor
ACT2801-T0550/ACT2801-T1026
1.5
V
TH Lower Temperature Voltage Threshold
Hot detect NTC thermistor
ACT2801-T0550/ACT2801-T1026
0.3
V
TH Hysteresis
ACT2801-T0550/ACT2801-T1026
50
mV
TH Internal Pull-up Current
ACT2801-T0550/ACT2801-T1026
60
µA
Charge Current Foldback
Charge Current Reduction Threshold1 of Vout1 Starting foldback point
4.59
4.7
4.81
V
Charge Current Reduction Threshold2 of Vout1
Stop foldback point, RCS=50mΩ,
RICST=39kΩ
4.57
V
Boost Mode
Input Voltage Operation Range
3.0
4.5
V
Switching Frequency
-15%
0.55
+15%
MHz
Input Voltage UVLO
VBAT rising
3.3
V
Input Voltage UVLO Hysteresis
VBAT falling
400
mV
Output Voltage (VOUT)
Ta=25℃
4.97
5.05
5.10
V
Output Voltage Accuracy
All conditions
-3
VOUT
2
%
Output Voltage Transient Response
Vbat=3.7V, 80mA-1A-80mA, 0.1A/us
4.75
5.25
V
Output Over Voltage Protection
VOUT rising
5.7
V
Output Over Voltage Protection Hysteresis
VOUT falling
300
mV
Output Current Regulation Range
Rcs=50mΩ, RIOST=37.5kΩ—113kΩ
0.5
1.5
A
Output Current Setting
Rcs=50mΩ, RIOST=97.6kΩ
1.3
A
The Maximum Voltage Across VRcs
All conditions
200
mV
Minimum On-Time
100
ns
Low Side Switch Peak Current Limit
VBAT=3.2V, VOUT=5V
4.0
5.6
A
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)



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