LTC1731EMS8-4.2 Linear Technology, LTC1731EMS8-4.2 Datasheet - Page 2

• Manufacturer Part Number: LTC1731EMS8-4.2
• Description: IC CTRLR BATT CHRGR LI-ION 8MSOP
• Manufacturer: Linear Technology

Specifications of LTC1731EMS8-4.2

• 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

PACKAGE/ORDER
ABSOLUTE
temperature range, otherwise specifications are at T
LTC1731-4.1/LTC1731-4.2
Input Supply Voltage (V
Input Voltage (SENSE, DRV, BAT,
Output Voltage (CHRG) ......................... – 0.3V to 13.2V
Consult factory for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL
V
I
V
I
I
V
V
V
2
CC
BAT
TRIKL
CC
BAT
TRIKL
UV
MSD
V
UV
TIMER, PROG) .................................. – 0.3V to 13.2V
TIMER
CHRG
GND
BAT
T
JMAX
PARAMETER
Input Supply Voltage
Input Supply Current
Regulated Output Voltage
Current Mode Charge Current
Trickle Charge Current
Trickle Charge Threshold Voltage
V
V
Manual Shutdown Threshold Voltage
8-LEAD PLASTIC MSOP
CC
CC
1
2
3
4
= 150 C,
Undervoltage Lockout Voltage
Undervoltage Lockout Hysteresis
MS8 PACKAGE
TOP VIEW
W
JA
MAXIMUM
= 200 C/W
8
7
6
5
CC
SENSE
V
DRV
PROG
CC
) ................................... 13.2V
W W
INFORMATION
U
MS8 PART MARKING
RATINGS
LTC1731EMS8-4.1
LTC1731EMS8-4.2
ORDER PART
W
CONDITIONS
Charger On, Current Mode
Shutdown Mode
Sleep Mode (Battery Drain Current)
LTC1731-4.1 (5V V
LTC1731-4.2 (5V V
R
R
R
V
From Low to High
From Low to High
PROG Pin Low to High
PROG Pin High to Low
NUMBER
BAT
PROG
PROG
PROG
LTJK
LTKQ
U
= 2V, R
A
= 19.6k, R
= 19.6k, R
= 97.6k, R
= 25 C. V
PROG
The
U
(Note 1)
SENSE
SENSE
SENSE
= 19.6k, I
CC
denotes the specifications which apply over the full operating
CC
CC
= 6V unless otherwise noted.
= 0.2
= 0.2
= 0.2
Operating Temperature Range (Note 2) .....– 40 to 85 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
12V)
12V)
TRIKL
TIMER
CHRG
GND
BAT
= (V
T
JMAX
1
2
3
4
8-LEAD PLASTIC SO
CC
= 150 C,
S8 PACKAGE
– V
TOP VIEW
SENSE
JA
)/0.2
= 125 C/W
8
7
6
5
SENSE
V
DRV
PROG
CC
4.059
4.158
2.35
MIN
465
415
4.5
70
30
S8 PART MARKING
LTC1731ES8-4.1
LTC1731ES8-4.2
2.457
2.457
2.446
ORDER PART
TYP
500
100
200
4.1
4.2
4.1
50
1
1
7
NUMBER
173141
173142
4.141
4.242
MAX
2.55
535
585
130
100
4.5
12
20
3
2
UNITS
mA
mA
mA
mA
mA
mA
mV
V
A
V
V
V
V
V
V