2003-2013 Microchip Technology Inc. DS21823D-page 5
MCP73841/2/3/4
AC CHARACTERISTICS
TEMPERATURE SPECIFICATIONS
Enable Input
Input High-Voltage Level V
IH
1.4 - – V
Input Low-Voltage Level V
IL
–-0.8V
Input Leakage Current I
LK
–0.011 µAV
ENABLE
= 12V
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. Typ-
ical values are at +25°C, V
DD
= [V
REG
(Typ)+1V].
Parameters Sym Min Typ Max Units Conditions
UVLO Start Delay t
START
––5msecV
DD
Low-to-High
Current Regulation
Transition Time Out of
Preconditioning
t
DELAY
––1msecV
BAT
< V
PTH
to V
BAT
> V
PTH
Current Rise Time Out of
Preconditioning
t
RISE
––1msecI
OUT
Rising to 90% of I
REG
Fast Charge Safety Timer Period t
FAST
1.1 1.5 1.9 Hours C
TIMER
= 0.1 µF
Preconditioning Current Regulation
Preconditioning Charge Safety
Timer Period
t
PRECON
45 60 75 Minutes C
TIMER
= 0.1 µF
Charge Termination
Elapsed Time Termination Period t
TERM
2.2 3.0 3.8 Hours C
TIMER
= 0.1 µF
Status Indicators
Status Output turn-off t
OFF
– – 200 µsec I
SINK
= 10 mA to 0 mA
Status Output turn-on t
ON
– – 200 µsec I
SINK
= 0 mA to 10 mA
Electrical Specifications: Unless otherwise specified, all limits apply for V
DD
= [V
REG
(Typ)+0.3V] to 12V.
Typical values are at +25°C, V
DD
= [V
REG
(Typ)+1.0V].
Parameters Sym Min Typ Max Units Conditions
Temperature Ranges
Specified Temperature Range T
A
-40 +85 °C
Operating Temperature Range T
A
-40 +125 °C
Storage Temperature Range T
A
-65 +150 °C
Thermal Package Resistances
Thermal Resistance, MSOP-10
JA
113 °C/W 4-Layer JC51-7 Standard Board,
Natural Convection
Thermal Resistance, MSOP-8
JA
206 °C/W Single-Layer SEMI G42-88 Board,
Natural Convection
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) + 1V].
Parameters Sym Min Typ Max Units Conditions