MCP73853/55
DC CHARACTERISTICS (Continued)
Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG(Typ) + 0.3V] to 5.5V,
TA = -40°C to 85°C. Typical values are at +25°C, VDD = [VREG (Typ) + 1.0V]
Parameters
Sym
Min Typ Max Units
Conditions
Charge Termination
Charge Termination Current
ITERM
Automatic Recharge
3.7
6.5
9.3 mA PROG = OPEN
18
32
46
mA PROG = VSS
TA = -5°C to +55°C
Recharge Threshold Voltage
VRTH
VREG – VREG – VREG – V VBAT High-to-Low
300mV 200mV 100mV
Thermistor Reference - MCP73853
Thermistor Reference
Output Voltage
Thermistor Reference
Source Current
VTHREF
ITHREF
2.475
200
2.55
—
2.625
—
V TA = 25°C, VDD = VREG(Typ) + 1V,
ITHREF = 0 mA
µA
Thermistor Reference Line
VTHREF/
—
Regulation
VTHREF)|/VDD
Thermistor Reference Load
Regulation
VTHREF/
VTHREF|
0.05
0.02
0.25 %/V VDD = [VREG (Typ) + 1V] to 5.5V
0.10
% ITHREF = 0 mA to 0.20 mA
Thermistor Comparator - MCP73853
Upper Trip Threshold
VT1
Upper Trip Point Hysteresis
VT1HYS
Lower Trip Threshold
VT2
Lower Trip Point Hysteresis
VT2HYS
Input Bias Current
IBIAS
Status Indicator – STAT1, STAT2
1.18 1.25 1.32 V
—
-50
— mV
0.59 0.62 0.66 V
—
80
— mV
—
—
2
A
Sink Current
Low Output Voltage
Input Leakage Current
Enable Input
ISINK
VOL
ILK
4
8
12 mA
—
200
400 mV ISINK = 1 mA
—
0.01
1
A ISINK = 0 mA, VSTAT1,2 = 5.5V
Input High Voltage Level
Input Low Voltage Level
Input Leakage Current
Thermal Shutdown
VIH
1.4
—
—
V
VIL
—
—
0.8
V
ILK
—
0.01
1
A VENABLE = 5.5V
Die Temperature
Die Temperature Hysteresis
TSD
TSDHYS
—
155
—
°C
—
10
—
°C
DS21915C-page 4
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