MCP73833/4
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications:
Unless otherwise specified, all limits apply for V
DD
= [V
REG
(Typ)+0.3V] to 6V, T
A
=-40°C to 85°C.
Typical values are at +25°C, V
DD
= [V
REG
(Typ)+1.0V]
Parameters
Precondition Current Ratio
Sym
I
PREG
/ I
REG
Min
7.5
15
30
—
Precondition Voltage Threshold
Ratio
Precondition Hysteresis
Charge Termination
Charge Termination Current Ratio
I
TERM
/ I
REG
3.75
5.6
7.5
15
Automatic Recharge
Recharge Voltage Threshold Ratio
Pass Transistor ON-Resistance
ON-Resistance
Battery Discharge Current
Output Reverse Leakage Current
I
DISCHARGE
—
—
—
—
Status Indicators - STAT1, STAT2, PG
Sink Current
Low Output Voltage
Input Leakage Current
PROG Input
Charge Impedance Range
Standy Impedance
Thermistor Bias
Thermistor Current Source
Thermistor Comparator
Upper Trip Threshold
Upper Trip Point Hysteresis
Lower Trip Threshold
Lower Trip Point Hysteresis
System Test (LDO) Mode
Input High Voltage Level
THERM Input Sink Current
Bypass Capacitance
V
IH
I
SINK
C
BAT
(V
DD
-0.1)
Typ
10
20
40
100
66.5
71.5
100
5
7.5
10
20
94.0
96.5
300
Max
12.5
25
50
—
70
75
—
6.25
9.4
12.5
25
—
—
—
Units
%
%
%
%
%
%
mV
%
%
%
%
%
%
mΩ
Conditions
PROG = 1.0 kΩ to 10 kΩ
T
A
=-5°C to +55°C
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
V
PTH
/ V
REG
V
PHYS
64
69
—
V
BAT
Low to High
V
BAT
High to Low
PROG = 1.0 kΩ to 10 kΩ
T
A
=-5°C to +55°C
V
RTH
/ V
REG
—
—
V
BAT
High to Low
R
DSON
—
V
DD
= 3.75V
T
J
= 105°C
PROG Floating
V
DD
< V
BAT
V
DD
< V
STOP
Charge Complete
0.15
0.25
0.15
-5.5
15
0.4
0.01
—
—
2
2
2
-15
25
1
1
20
200
µA
µA
µA
µA
mA
V
µA
kΩ
kΩ
I
SINK
V
OL
I
LK
R
PROG
R
PROG
—
—
—
1
70
I
SINK
= 4 mA
High Impedance, 6V on pin
Minimum Impedance for
Standby
2 kΩ < R
THERM
< 50 kΩ
V
THERM
Low to High
V
THERM
High to Low
I
THERM
V
T1
V
T1HYS
V
T2
V
T2HYS
47
1.20
—
0.235
—
50
1.23
-50
0.25
50
—
6
—
—
53
1.26
—
0.265
—
—
20
—
—
µA
V
mV
V
mV
V
µA
µF
µF
3
1
4.7
Stand-by or system test mode
I
OUT
< 250 mA
I
OUT
> 250 mA
DS22005A-page 4
©
2006 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
