LTC1733
U W
TYPICAL PERFOR A CE CHARACTERISTICS
PROG Pin Voltage vs VCC
Constant Current Mode
PROG Pin Voltage vs Temperature
Constant Current Mode
Trickle Charge Current vs
Temperature
1.515
1.510
1.505
1.500
1.495
1.490
1.485
130
120
110
100
90
1.515
1.510
1.505
1.500
1.495
1.490
1.485
T
= 25°C
V
V
= 5V
= 2V
V
V
= 5V
= 4V
A
CC
BAT
PROG
CC
BAT
V
= 3.5V
BAT
PROG
SEL
R
V
= 3k
R
V
= 1.5k
R
V
= 3k
PROG
= 5V
= 5V
= 5V
SEL
SEL
80
70
6.0
7.0
4.0
4.5
5.0
5.5
(V)
6.5
50
TEMPERATURE (°C)
100
50
TEMPERATURE (°C)
100
–50
–25
0
25
75
–50
–25
0
25
75
V
CC
1733 G10
1733 G12
1733 G11
Trickle Charge Current vs VCC
Timer Accuracy vs VCC
Timer Accuracy vs Temperature
13
12
11
10
9
105
104
103
102
101
100
99
105
104
103
102
101
100
99
T
= 25°C
BAT
V
I
= 5V
CC
BAT
V
SEL
T
I
V
C
= 25°C
A
A
V
= 2V
= 0mA
= 5V
= 0mA
= 5V
= 0.1µF
BAT
SEL
R
V
= 1.5k
PROG
SEL
= 5V
C
= 0.1µF
TIMER
TIMER
98
98
97
97
8
96
96
7
4.0
95
95
6.0
7.0
4.5
5.0
5.5
(V)
6.5
25
TEMPERATURE(°C)
–50 –25
0
50
75 100 125
6.0
7.0
4.0
4.5
5.0
5.5
(V)
6.5
V
V
CC
CC
1733 G13
1733 G14
1733 G15
sn1733 1733fs
5
Linear [ Linear ]
