ACT2801/ACT2801C
Rev 2, 15-Apr-14
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
Soft-Startup Time
400
4.25
4.6
3
µs
V
VOUT falling
Under Voltage Protection (UVP Threshold)
VOUT rising
V
UVP Blanking Time During Startup
UVP Sense Detection Time
Restart After UVP
ms
µs
VOUT falling
Hiccup mode
20
2
s
Light Load Current Shut off Threshold
Light Load Current Detect Time
Light Load Current Detect Time
HZ Pin High Voltage
VBAT=3.7V, Rcs=50mΩ, RIOST=97.6kΩ
ACT2801C/ACT2801-T1026
ACT2801-T0550
40
45
100
1.4
mA
s
90
s
HZ voltage rising
0.9
0.75
3
V
HZ Pin Low Voltage
HZ voltage falling
0.4
V
HZ Internal Pull-up Resistor
MΩ
PB Turn off Boost Time
PB Turn off Boost Time
PB Turn on Boost Time
Mode Transition
ACT2801C/ACT2801-T1026
ACT2801-T0550
1.5
3.0
100
s
s
ms
Transition Waiting Time between Charge
Mode and Boost Mode
TRANTIME
2
s
Battery Level Indication
Battery Impedance Compensation Range
Battery Impedance Compensation
40
500
1.4
mΩ
mΩ
ms
V
200
100
0.9
Rcs=50mΩ, RIMC=100kΩ
PB Deglitch Time
PB High Input Voltage
PB Low Input Voltage
PB voltage rising
PB voltage falling
0.4
0.75
V
PB Internal Pull-up Resistor
LED Indication Time
3
5
MΩ
s
PB is pushed and released
LED Flash Frequency
Charging, LED flash 1s on and 1s off
0.5
Hz
Flashlight Driver
Flashlight Driver Current
PB Turn on Flashlight Time
PB Turn off Flashlight Time
ACT2801C, the current at Flash Pin
ACT2801C
50
3.0
3.0
mA
s
ACT2801C
s
Innovative PowerTM
- 7 -
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