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ACT2802B Datenblatt(PDF) 7 Page - Active-Semi, Inc

Teilenummer ACT2802B
Bauteilbeschribung  5V/2.5A Backup Battery Pack Manager
PDF  25 Pages
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Hersteller  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT2802B Datenblatt(HTML) 7 Page - Active-Semi, Inc

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Rev 7, 15-Jul-16
Innovative PowerTM
- 7 -
www.active-semi.com
Copyright © 2016 Active-Semi, Inc.
ACT2802/ACT2802B/ACT2802C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Output Current Regulation Range
Rcs=25mΩ, RIOST=37.4kΩ—93.7kΩ
1.0
2.5
A
Output Current Limit
Rcs=25mΩ, RIOST=91kΩ
2.4
A
The Maximum Voltage Across VRcs
All conditions
200
mV
Minimum On-Time
100
ns
Low Side Switch Peak Current Limit
VBAT=3.6V, VOUT=5V
5.6
6.8
A
Soft-Startup Time
400
µs
Under Voltage Protection
(UVP Threshold)
VOUT falling
4.25
V
VOUT rising
4.6
V
UVP Blanking Time During Startup
3
ms
UVP Sense Detection Time
VOUT falling
20
µs
Restart After UVP
Hiccup mode
2
s
Light Load Current Shut off Threshold
VBAT=3.7V, Rcs=25mΩ,RIOST=91kΩ
40
100
mA
Light Load Current Detect Time
16
s
HZ Pin High Voltage
HZ voltage rising
0.9
1.4
V
HZ Pin Low Voltage
HZ voltage falling
0.4
0.75
V
HZ Internal Pull-up Resistor
3
MΩ
PB Turn off Boost Time
ACT2802QL-T1028
1.5
s
PB Turn on Boost Time
All condition
30
ms
LED Indication Time
PB is pushed and released,
ACT2802QL-T1028/ACT2802CQL-T1028
5
s
Mode Transition
Transition Waiting Time between Charge
Mode and Boost Mode
TRANTIME
2
s
Battery Level Indication
Battery Impedance Compensation Range
40
500
mΩ
Battery Impedance Compensation
Rcs=25mΩ, RIMC=200kΩ
200
mΩ
PB High Input Voltage
PB voltage rising
0.9
1.4
V
PB Low Input Voltage
PB voltage falling
0.4
0.75
V
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)



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