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| STBC08 Datasheet, PDF (7/17 Pages) STMicroelectronics – 800mA Standalone linear Li-Ion Battery charger with thermal regulation | |||
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STBC08
Electrical characteristics
Table 4. Electrical characteristics
(VCC = 5V, CI = 1µF, TJ = -40 to 85° unless otherwise specified) (Note 2).
Symbol
Parameter
Test
Min. Typ. Max. Unit
âVRECHRG
Recharger battery threshold
voltage
Battery Voltage TJ=25°C
RPROG =10Kâ¦
TLIM
Junction temperature in
constant temperature mode
RON
Power Fet âONâ resistance
(Between VCC and BAT)
tSS
Soft-start time
TRECHARGE
Recharge comparator filter
time Note 4
IBAT=0 to IBAT=1000V/RPROG
VBAT High to Low
tTERM
Termination comparator
filter time Note 4
IBAT Falling Below ICHG/10
IPROG PROG pin pull-up current
200
mV
120
°C
600
mâ¦
100
µs
0.75 2 4.5 ms
400 1000 2500 µs
1
µA
Note: 1 Supply current includes PROG pin current but not any current delivered to the battery
through the VBAT pin.
2 The STBC08 was tested using a battery simulator and an output capacitor value of 4.7µF
3 ITERM is expressed as a fraction of measured full charge current with indicated PROG
resistor
4 Guaranteed by design
7/17
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