LTC1698
TYPICAL PERFOR A CE CHARACTERISTICS
U W
VFB vs Temperature
VFB vs VDD
VFB vs VMARGIN
1.248
1.242
1.248
1.295
1.282
1.270
1.258
1.245
1.233
1.221
1.208
1.196
1.184
1.171
5
T
A
= 25°C
V
= 8V
V
A
= 8V
DD
DD
4
T
= 25°C
1.242
1.236
3
2
1.236
1
0
1.230
1.224
1.218
1.230
1.224
1.218
–1
–2
–3
–4
–5
5
6
7
8
9
10 11 12 13 14
(V)
50
TEMPERATURE (°C)
–50 –25
0
25
75 100 125 150
0
0.33 0.66 0.99 1.32 1.65 1.98 2.31 2.64 2.97 3.3
(V)
V
DD
V
MARGIN
1698 G02
1698 G01
1698 G03
Current Limit Amplifier gm
vs Temperature
ISNS Threshold vs Temperature
ISNS Threshold vs VDD
–22.5
–23.0
–23.5
–24.0
–24.5
–25.0
–25.5
–26.0
–26.5
–27.0
–27.5
–22.5
–23.0
–23.5
–24.0
–24.5
–25.0
–25.5
–26.0
–26.5
–27.0
–27.5
5.0
4.6
V
DD
= 8V
T
A
= 25°C
V
DD
= 8V
4.2
3.8
3.4
3.0
2.6
2.2
–50
50
100 125
150
–25
0
25
75
5
10
12 13
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
1698 G06
6
7
8
9
11
14
TEMPERATURE (°C)
V
DD
(V)
1698 G04
1698 G05
Power Good Threshold
vs Temperature
OVPIN Threshold vs Temperature
OVPIN Threshold vs VDD
1.28
1.26
1.28
1.26
1.24
1.196
1.181
1.166
1.152
1.137
1.122
–3.0
–4.2
–5.4
–6.6
–7.8
–9.0
T
A
= 25°C
V
= 8V
V
= 8V
DD
DD
1.24
1.22
1.20
1.18
1.22
1.20
1.18
5
6
7
8
9
10 11 12 13 14
(V)
50
TEMPERATURE (°C)
50
TEMPERATURE (°C)
–50 –25
0
25
75 100 125 150
–50 –25
0
25
75 100 125 150
V
DD
1698 G08
1698 G07
1698 G09
1698f
4
Linear [ Linear ]
