LTC1731EMS8-8.4#TR Linear Technology, LTC1731EMS8-8.4#TR Datasheet - Page 3

• Manufacturer Part Number: LTC1731EMS8-8.4#TR
• Description: IC BATT CHRG CNTRLR LI-ION 8MSOP
• Manufacturer: Linear Technology

Specifications of LTC1731EMS8-8.4#TR

• Function: Charge Management
• Battery Type: Li-Ion, NiCd, NiMH
• Voltage - Supply: 8.8 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1731EMS8-8.4TR; LTC1731EMS88.4TR

Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
temperature range, otherwise specifications are at T
TYPICAL PERFOR A CE CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
I
V
I
V
I
t
V
PROG
CHRG
C/10
TIMER
ASD
DIS
PROG
CHRG
CLAMP
60
55
50
45
40
9
Trickle Charge Current
vs V
R
R
V
T
BAT
A
PROG
SENSE
= 25
CC
PARAMETER
Automatic Shutdown Threshold Voltage
Voltage Mode Disable Threshold Voltage
PROG Pin Current
PROG Pin Load Regulation
PROG Pin Voltage
CHRG Pin Weak Pull-Down Current
CHRG Pin Output Low Voltage
End of Charge Indication Current Level
TIMER Accuracy
DRV Pin Clamp Voltage
= 4V
= 19.6K
= 0.2
10
V
CC
(V)
11
W
1731 G01
U
12
CONDITIONS
(V
(V
V
Internal Pull-Up Current, No R
PROG Pin Source Current, V
R
V
I
R
C
V
60
55
50
45
40
CHRG
DIS
CHRG
TIMER
CLAMP
PROG
PROG
–50
CC
CC
Trickle Charge Current
vs Temperature
A
R
R
V
V
= (V
– V
– V
BAT
CC
PROG
SENSE
= 25 C. V
= 5mA
= 1V
–25
=19.6k
= 19.6k, R
= 0.01 F
= V
= 9V
BAT
BAT
CC
= 4V
= 19.6K
= 0.2
The
CC
) Falling
) Rising
– V
– V
0
TEMPERATURE ( C)
TIMER
CC
SENSE
DRV
denotes the specifications which apply over the full operating
25
= 9V unless otherwise noted.
)
, I
DRIVE
= 0.2
Note 2: The LTC1731E-8.2/LTC1731E-8.4 are 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. Consult
factory for I grade parts.
50
= 50 A
PROG
PROG
75
100
LTC1731-8.2/LTC1731-8.4
5mV
1731 G06
125
4.96
4.95
4.94
4.93
4.92
4.91
4.90
4.89
4.88
9
Trickle Charge Threshold Voltage
vs V
R
T
A
PROG
= 25
CC
MIN
= 19.6K
300
30
40
25
50
10
2.457
TYP
100
2.5
0.6
6.5
V
54
69
50
10
CC
(V)
MAX
100
150
100
11
0.4
1.2
90
sn1731 17318fs
1731 G08
UNITS
3
mV
mV
mA
12
%
V
V
A
A
A
V
V