MCP73861/2/3/4
DC CHARACTERISTICS (Continued)
Electrical Specifications:
Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(typ.) + 0.3V] to 12V,
T
A
= -40°C to +85°C. Typical values are at +25°C, V
DD
= [V
REG
(typ.) + 1.0V]
Parameters
Sym
Min
Typ
Max
Unit
s
Conditions
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Regulation
I
PREG
5
60
25
Precondition Threshold
Voltage
V
PTH
2.70
2.75
5.40
5.50
Charge Termination
Charge Termination
Current
I
TERM
6
70
32
Automatic Recharge
Recharge Threshold
Voltage
V
RTH
V
REG
-
300 mV
V
REG
-
600 mV
Thermistor Reference
Thermistor Reference
Output Voltage
Thermistor Reference
Source Current
Thermistor Reference Line
Regulation
Thermistor Reference Load
Regulation
Thermistor Comparator
Upper Trip Threshold
Upper Trip Point Hysteresis
Lower Trip Threshold
Lower Trip Point Hysteresis
Input Bias Current
Sink Current
Low Output Voltage
Input Leakage Current
Enable Input
Input High Voltage Level
Input Low Voltage Level
Input Leakage Current
V
IH
V
IL
I
LK
1.4
—
—
—
—
0.01
—
0.8
1
V
V
μA
V
ENABLE
= 12V
V
T1
V
T1HYS
V
T2
V
T2HYS
I
BIAS
I
SINK
V
OL
I
LK
1.18
—
0.59
—
—
4
—
—
1.25
-50
0.62
80
—
8
200
0.01
1.32
—
0.66
—
2
12
400
1
V
mV
V
mV
μA
mA
mV
μA
I
SINK
= 1 mA
I
SINK
= 0 mA, V
STAT1,2
= 12V
V
THREF
2.475
2.55
2.625
V
T
A
= 25°C,
V
DD
= V
REG
(typ.) + 1V,
I
THREF
= 0 mA
V
REG
-
200 mV
V
REG
-
400 mV
V
REG
-100 mV
V
REG
-
200 mV
V
V
MCP73861/3
MCP73862/4
V
BAT
High-to-Low
8.5
90
41
11
120
50
mA
mA
mA
PROG = OPEN
PROG = V
SS
PROG = 1.6 kΩ
T
A
=-5°C to +55°C
10
120
50
2.80
2.85
5.60
5.70
15
180
75
2.90
2.95
5.80
5.90
mA
mA
mA
V
V
V
V
PROG = OPEN
PROG = V
SS
PROG = 1.6 kΩ
T
A
=-5°C to +55°C
MCP73861/3,
V
SET
= V
SS
MCP73861/3,
V
SET
= V
DD
MCP73862/4,
V
SET
= V
SS
MCP73862/4,
V
SET
= V
DD
V
BAT
Low-to-High
I
THREF
|(ΔV
THREF
/V
T
HREF
)|/
ΔV
DD
|ΔV
THREF
/V
T
HREF|
200
—
—
0.1
—
0.25
µA
%/V V
DD
= [V
REG
(typ.) + 1V] to
12V
%
I
THREF
= 0 mA to 0.20 mA
0.01
0.10
Status Indicator – STAT1, STAT2
DS21893C-page 4
©
2005 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
