ACT2801 데이터 시트보기 (PDF) - Unspecified
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ACT2801 Datasheet PDF : 21 Pages
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ACT2801/ACT2801C
Rev 2, 15-Apr-14
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)
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
EOC Current Threshold
VBAT=1V, RICST=39kΩ
Percent of the fast charge current
200
mA
13
%
Charge Restart Voltage Threshold
TH Upper Temperature Voltage Threshold
TH Lower Temperature Voltage Threshold
TH Hysteresis
TH Internal Pull-up Current
Cold detect NTC thermistor
ACT2801-T0550/ACT2801-T1026
Hot detect NTC thermistor
ACT2801-T0550/ACT2801-T1026
ACT2801-T0550/ACT2801-T1026
ACT2801-T0550/ACT2801-T1026
200
mV
1.5
V
0.3
V
50
mV
60
µA
Charge Current Foldback
Charge Current Reduction Threshold1 of Vout1 Starting foldback point
Charge Current Reduction Threshold2 of Vout1
Stop foldback point, RCS=50mΩ,
RICST=39kΩ
Boost Mode
4.59 4.7 4.81 V
4.57
V
Input Voltage Operation Range
Switching Frequency
3.0
4.5 V
-15% 0.55 +15% MHz
Input Voltage UVLO
VBAT rising
3.3
V
Input Voltage UVLO Hysteresis
Output Voltage (VOUT)
Output Voltage Accuracy
VBAT falling
Ta=25℃
All conditions
400
mV
4.97 5.05 5.10 V
-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
Output Current Regulation Range
Output Current Setting
The Maximum Voltage Across VRcs
VOUT falling
Rcs=50mΩ, RIOST=37.5kΩ—113kΩ
Rcs=50mΩ, RIOST=97.6kΩ
All conditions
300
mV
0.5
1.5 A
1.3
A
200
mV
Minimum On-Time
Low Side Switch Peak Current Limit
VBAT=3.2V, VOUT=5V
100
ns
4.0 5.6
A
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