LTC4050 LINER [Linear Technology], LTC4050 Datasheet - Page 2

• Manufacturer Part Number: LTC4050
• Description: Lithium-Ion Linear Battery Charger with Thermistor Interface
• Manufacturer: LINER [Linear Technology]

ABSOLUTE
LTC4050
(Note 1)
Input Supply Voltage (V
SENSE, DRV, BAT, SEL,
Operating Temperature Range (Note 2) . – 40 C to 85 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
I
V
I
I
V
V
V
V
I
V
V
I
V
R
R
2
CC
BAT
TRIKL
PROG
CHRG
CC
BAT
TRIKL
UV
MSD
ASD
PROG
ACPR
CHRG
V
HOT
COLD
UV
TIMER, PROG, CHRG, ACPR .................– 0.3V to 12V
PARAMETER
Input Supply Voltage
Input Supply Current
Regulated Output (Float) Voltage in
Constant Voltage Mode
Current Mode Charge Current
Trickle Charge Current
Trickle Charge Threshold Voltage
V
V
PROG Pin Manual Shutdown
Threshold Voltage
Automatic Shutdown Threshold Voltage
PROG Pin Current
PROG Pin Voltage
ACPR Pin Output Low Voltage
CHRG Pin Weak Pull-Down Current
CHRG Pin Output Low Voltage
Thermistor Resistance for Hot Fault
Thermistor Resistance for Cold Fault
CC
CC
Undervoltage Lockout Voltage
Undervoltage Lockout Hysteresis
W
MAXIMUM
CC
) ...................................... 12V
W W
RATINGS
CONDITIONS
Charger On, Current Mode
Shutdown Mode
Sleep Mode (Battery Drain Current)
LTC4050-4.1; 5V V
LTC4050-4.2; 5V V
LTC4050-4.1; 5V V
LTC4050-4.2; 5V V
R
R
R
V
(V
(V
Internal Pull-Up Current, No R
PROG Pin Source Current, V
R
I
V
I
ACPR
CHRG
BAT
CHRG
PROG
PROG
PROG
PROG
U
CC
CC
A
– V
– V
= 2V, R
= 25 C. V
= 5mA
= 5mA
= 1V
= 19.6k, R
= 19.6k, R
= 97.6k, R
=19.6k
BAT
BAT
The
) High to Low
) Low to High
PROG
CC
SENSE
SENSE
SENSE
= 19.6k, I
denotes the specifications which apply over the full operating
= 6V unless otherwise noted.
CC
CC
CC
CC
PACKAGE/ORDER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
= 0.2
= 0.2
= 0.2
10V, 0 C T
10V, 0 C T
10V
10V
TRIKL
TIMER
CHRG
GND
PROG
PROG
NTC
BAT
T
= (V
JMAX
10-LEAD PLASTIC MSOP
1
2
3
4
5
CC
5mV
= 140 C,
A
A
MS PACKAGE
– V
TOP VIEW
85 C
85 C
SENSE
JA
= 180 C/W
)/0.2
10
9
8
7
6
ACPR
SENSE
V
DRV
PROG
CC
4.059
4.158
4.039
4.137
INFORMATION
2.41
MIN
440
415
300
4.5
3.7
60
20
25
25
U
40
MS PART MARKING
LTC4050EMS-4.1
LTC4050EMS-4.2
0.525
0.525
ORDER PART
2.49
2.47
28.5
TYP
500
100
130
1.3
1.3
4.1
4.2
4.1
4.2
3.6
2.3
4.1
55
54
69
32
5
4
NUMBER
W
LTTW
LTTX
4.141
4.242
4.141
4.242
MAX
2.58
535
585
140
100
4.5
4.4
10
15
90
85
31
3
3
UNITS
U
4050f
mA
mA
mA
mA
mA
mA
mV
mV
mV
k
k
V
A
V
V
V
V
V
V
V
A
A
V
A
V
V