LTC1325 LINER [Linear Technology], LTC1325 Datasheet - Page 5

• Manufacturer Part Number: LTC1325
• Description: Microprocessor-Controlled Battery Management System
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
1200
1000
800
600
400
200
114
108
118
117
116
115
113
112
111
110
109
14
12
10
0
8
4
0
6
2
–40
0
0
PGATE Rise Time vs
Load Capacitance
Discharge Rise and Fall Time
vs Load Capacitance
Oscillator Frequency vs
Temperature
2
2
–20
T
T
T
4
A
A
A
4
= 70 C
= 27 C
= 0 C
LOAD CAPACITANCE (nF)
LOAD CAPACITANCE (nF)
0
TEMPERATURE ( C)
6
6
8
T
8
20
A
= 70 C
10
10
40
T
12
A
12
T
A
= 27 C
= 0 C
RISE TIME
14
14
60
FALL TIME
W
16
16
80
18
18 20
1325 G16
1325 G10
1325 G13
U
100
20
1000
300
500
450
400
350
250
200
150
100
900
800
700
500
400
300
200
100
600
50
16
14
12
10
0
0
8
6
4
2
0
0
0
PGATE Fall Time vs
Load Capacitance
1
CLK to D
vs Temperature
Minimum Charging Supply vs
Number of Cells
T
V
A
CELL
2
10
R
= 27 C, NiCd BATTERIES
SENSE
2
IRF9Z30PFET, 1N5819 DIODE
= 1.4V NOMINAL
4
20
LOAD CAPACITANCE (nF)
OUT
= 0.15, VR1 = 1,VR0 = 1
TEMPERATURE ( C)
6
3
NUMBER OF CELLS
T
R
L = 25 H TO 100 H
IRF9Z30PFET, 1N5819 DIODE
30
L = 10 H TO 100 H
A
Enable Delay Time
SENSE
= 70 C
8
4
40
T
10
= 1, VR1 = 1, VR0 = 1
A
= 27 C
T
5
12
A
50
= 0 C
14
6
60
16
LTC1325 G11
70
7
1325 G17
18
1325 G14
80
20
8
–0.5
–1.0
–0.5
–1.0
1.0
0.5
1.0
0.5
700
600
400
300
200
500
100
0
0
0
0
0
CLK to D
vs Temperature
Integral Nonlinearity
0
Differential Nonlinearity
V
f
V
f
CLK
CLK
128
128
DD
DD
10
D
OUT
= 12V
= 12V
= 500kHz
= 500kHz
256
256
20
GOING HIGH
OUT
TEMPERATURE ( C)
384
384
30
Valid Delay Time
CODE
CODE
512
512
40
LTC1325
D
OUT
640
640
50
GOING LOW
768
768
60
896
896
70
1325 G12
1325 G15
1325 G18
5
1024
1024
80