Microchip Technology MCP7383XRD-PPM Fiche De Données
MCP73833/4
DS22005B-page 4
© 2009 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant Current Mode)
Precondition Current Ratio
Precondition Current Ratio
I
PREG
/ I
REG
7.5
10
12.5
%
PROG = 1.0 k
Ω to 10 kΩ
15
20
25
%
T
A
=-5°C to +55°C
30
40
50
%
—
100
—
%
Precondition Voltage Threshold
Ratio
V
PTH
/ V
REG
64
66.5
70
%
V
BAT
Low-to-High
69
71.5
75
%
Precondition Hysteresis
V
PHYS
—
100
—
mV
V
BAT
High-to-Low
Charge Termination
Charge Termination Current Ratio
Charge Termination Current Ratio
I
TERM
/ I
REG
3.75
5
6.25
%
PROG = 1.0 k
Ω to 10 kΩ
5.6
7.5
9.4
%
T
A
=-5°C to +55°C
7.5
10
12.5
%
15
20
25
%
Automatic Recharge
Recharge Voltage Threshold Ratio
Recharge Voltage Threshold Ratio
V
RTH
/ V
REG
—
94.0
—
%
V
BAT
High-to-Low
—
96.5
—
%
Pass Transistor ON-Resistance
ON-Resistance
ON-Resistance
R
DSON
—
300
—
m
Ω
V
DD
= 3.75V
T
J
= 105°C
Battery Discharge Current
Output Reverse Leakage Current
Output Reverse Leakage Current
I
DISCHARGE
—
0.15
2
µA
PROG Floating
—
0.25
2
µA
V
DD
< V
BAT
—
0.15
2
µA
V
DD
< V
STOP
—
-5.5
-15
µA
Charge Complete
Status Indicators - STAT1, STAT2, PG
Sink Current
Sink Current
I
SINK
—
15
25
mA
Low Output Voltage
V
OL
—
0.4
1
V
I
SINK
= 4 mA
Input Leakage Current
I
LK
—
0.01
1
µA
High Impedance, 6V on pin
PROG Input
Charge Impedance Range
Charge Impedance Range
R
PROG
1
—
20
k
Ω
Standy Impedance
R
PROG
70
—
200
k
Ω
Minimum Impedance for
Standby
Standby
Thermistor Bias
Thermistor Current Source
Thermistor Current Source
I
THERM
47
50
53
µA
2 k
Ω < R
THERM
< 50 k
Ω
Thermistor Comparator
Upper Trip Threshold
Upper Trip Threshold
V
T1
1.20
1.23
1.26
V
V
THERM
Low-to-High
Upper Trip Point Hysteresis
V
T1HYS
—
-50
—
mV
Lower Trip Threshold
V
T2
0.235
0.25
0.265
V
V
THERM
High-to-Low
Lower Trip Point Hysteresis
V
T2HYS
—
50
—
mV
System Test (LDO) Mode
Input High Voltage Level
Input High Voltage Level
V
IH
(V
DD
-0.1)
—
—
V
THERM Input Sink Current
I
SINK
3
6
20
µA
Stand-by or system test mode
Bypass Capacitance
C
BAT
1
—
—
µF
I
OUT
< 250 mA
4.7
—
—
µF
I
OUT
> 250 mA
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise specified, all limits apply for V
DD
= [V
REG
(Typical)+0.3V] to 6V, T
A
=-40°C to 85°C.
Typical values are at +25°C, V
DD
= [V
REG
(Typical)+1.0V]
Parameters
Sym
Min
Typ
Max
Units
Conditions