Data Sheet

REV 1.1 5
Electrical Characteristics
(VIN=5V, T
A
=－40℃ to 85℃, Typical Values are measured at T
A
=25℃,unless otherwise noted)
Parameters Symbol Test Conditions Min Typ Max Unit
Input Supply Voltage VIN 4.4 6 V
Operating Current
I
VIN
Charge Termination Mode 400 650 950 uA
Undervoltage Lockout Vuvlo VIN falling 3.7 3.9 V
Undervoltage Lockout
Hysteresis
Huvlo 0.1 V
Regulation Voltage
V
REG
Constant Voltage Mode 4.158 4.2 4.242 V
R
ISET
=3.6K, V
BAT
＝3.6V
400 500 600
R
ISET
=3.6K, V
BAT
＝2.4V
25 50 75
mA
V
BAT
=V
REG
, standby mode
1.75 3.5 7
BAT pin Current
I
BAT
VIN=0V, sleep mode 3
uA
Precharge Threshold
Precharge Threshold
V
PRE
Voltage at BAT pin rising 2.9 3.0 3.1 V
Precharge Threshold
Hysteresis
H
PRE
0.1 V
Charge Termination Threshold
Charge Termination
Threshold
Vterm Measure voltage at ISET pin 0.18 0.22 0.26 V
Recharge Threshold
Recharge Threshold
V
RECH
V
REG
－0.1
V
Sleep Mode
Sleep Mode Threshold
V
SLP
V
IN
from high to low, measures
the voltage (V
IN
－V
BAT
)
40 mv
Sleep mode Release
Threshold
V
SLPR
V
IN
from low to high, measures
the voltage (V
IN
－V
BAT
)
90 mv
ISET Pin
Precharge mode 0.2
ISET Pin Voltage
V
ISET
Constant current mode 2.0
V
TEMP PIN
Input Threshold
V
TEMP
43.5 46 48.5
%V
IN
TEMP input Current
TEMP to V
IN
or to GND
0.5 uA
OK Pin
OK Sink Current
I
OK
V
OK
=0.3V, termination mode
10 mA
OK Leakage Current
V
OK
=6V, charge mode
1 uA
CH Pin
CH Sink Current
I
CH
V
CH
=0.3V, Charge status
10 mA
CH Leakage Current
V
CH
=6V, termination mode
1 uA