ltc4065l Linear Technology Corporation, ltc4065l Datasheet - Page 3

• Manufacturer Part Number: ltc4065l
• Description: Standalone 250ma Li-ion Battery Charger In 2 ? 2 Dfn
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
t
I
V
V
∆V
∆V
∆V
t
V
I
I
T
R
f
D
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4065L is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Failure to solder the exposed backside of the package to the PC
board ground plane will result in a thermal resistance much higher than
rated.
SS
TRKL
TIMER
CHRG
C/10
BADBAT
LIM
TRKL
TRHYS
CHRG
CC
ON
BADBAT
RECHRG
UVCL1
UVCL2
= 5V, V
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
BAT
PARAMETER
Soft-Start Time
Trickle Charge Current
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
Recharge Battery Threshold Voltage
(V
Limit
Termination Timer
Recharge Time
Low-Battery Trickle Charge Time
CHRG Pin Output Low Voltage
CHRG Pin Input Current
End of Charge Indication Current
Level
Junction Temperature in Constant
Temperature Mode
Power FET “ON” Resistance
(Between V
Defective Battery Detection CHRG
Pulse Frequency
Defective Battery Detection CHRG
Pulse Frequency Duty Ratio
CC
= 3.8V, V
– V
BAT
CC
) Undervoltage Current
EN
and BAT)
= 0V unless otherwise specified. (Note 2)
CONDITIONS
V
V
(Note 7)
V
I
I
V
I
V
R
I
BAT
BAT
CHRG
BAT
BAT
BAT
FLOAT
BAT
BAT
PROG
= 90%, R
= 10%, R
= 150mA
= 2V, R
Rising (Note 7)
= 2.5V
= 4.5V, V
= 5mA
= 1.33k (Note 5)
– V
RECHRG
PROG
PROG
PROG
CHRG
, 0°C < T
= 1.33k (0.1%) (Note 7)
= 2k, Programmed Charge Current
= 2k, Programmed Charge Current
= 5V
A
Note 4: Although the LTC4065L functions properly at 3.75V input, full
charge current requires an input voltage greater than the desired final
battery voltage per the ∆V
Note 5: I
with indicated PROG resistor.
Note 6: This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 7: This parameter is not applicable to the LTC4065LX.
< 85°C
C/10
is expressed as a fraction of measured full charge current
LTC4065L/LTC4065LX
UVCL1
●
●
●
●
●
●
●
specification.
0.75
0.08
MIN
150
2.7
1.5
13
70
80
3
1.125
0.095
15.5
2.25
TYP
170
100
190
125
115
2.9
4.5
1.5
90
60
75
0
2
A
= 25°C.
MAX
3.05
0.11
130
300
150
105
1.5
18
6
3
1
mA/mA
4065lxfa
UNITS
3
Hrs
Hrs
Hrs
mA
mV
mV
mV
mV
mV
µA
µs
°C
Hz
%
Ω
V