LTC1759CG Linear Technology, LTC1759CG Datasheet - Page 6

• Manufacturer Part Number: LTC1759CG
• Description: IC SMART BATTERY CHARGER 36SSOP
• Manufacturer: Linear Technology

Specifications of LTC1759CG

• Function: Charge Management
• Battery Type: Smart Batteries
• Voltage - Supply: 11 V ~ 24 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1759
6
TYPICAL PERFOR A CE CHARACTERISTICS
100
95
90
85
80
75
70
350
300
250
200
150
100
90
80
70
60
50
40
30
20
10
50
0
Charger Efficiency
Current from Battery vs Battery
Voltage (Does Not Include V
Current)
6
Low Current Mode
0
0.5
V
IN
T
R
V
V
T
C
R
A
IN
OUT
A
PROG
ILIMIT
SET
= 20V
8
= 25 C
= 25 C
= 15V
50
= 3.83k
= 12V
CHARGING CURRENT (A)
10
= 1nF
= 33k
CHARGING CURRENT (mA)
1.5
100
12
12.6V
16.8V
V
14
BAT
150
2.5
(V)
16
200
18
W
3.5
20
250
DD
1759 G09
22
1759 G04
1759 G01
U
300
24
5V
0V
–10
–15
–20
–25
–30
120
110
100
–5
90
80
70
60
SMBus Accelerator Operation
0
2000 3000 4000 5000 6000 7000 8000 9000
V
C
T
3.0
LTC1759
A
I
Charging Voltage Error
CC
LD
DD
= 25 C
= 5V
= 200pF
T
vs V
A
= 25 C
3.5
CHARGING VOLTAGE (mV)
DD
R
LOAD CURRENT = 15mA
T
R
A
VLIMIT
PULLUP
= 25 C
(Not Charging)
1 s/DIV
4.0
V
V
DD
DD
V
= 0
DD
= 15k
= 5.5V
= 3V
(V)
4.5
5.0
1759 G02
1759 G07
1759 G05
5.5
–10
–20
–30
–40
–50
–60
–10
–15
–20
–25
–30
1.10
1.05
1.00
0.95
0.90
–5
0
0
2000
256
Programmed Current Accuracy
Charging Voltage Error
0
DCDIV Trip Point vs Temperature
R
V
V
T
R
LOAD CURRENT = 15mA
T
A
ILIMIT
IN
OUT
A
VLIMIT
10
= 25 C
= 25 C
= 15V
= 12V
1256
6000
CHARGING CURRENT (mA)
CHARGING VOLTAGE (mV)
20
= 33k
= 33k
V
V
V
V
TEMPERATURE ( C)
DD
DD
DD
DD
30
= 5.5V
= 3V
= 5.5V
= 3V
10000
V
V
2256
DD
DD
40
= 5.5V
= 3V
50
14000
3256
60
70
1759 G06
1759 G08
1759 G03
18000
4256
80