LTC1909-8 LINER [Linear Technology], LTC1909-8 Datasheet - Page 6

• Manufacturer Part Number: LTC1909-8
• Description: Wide Operating Range,No RSENSE TM Step-Down DC/DC Controller with SMBus Programming
• Manufacturer: LINER [Linear Technology]

LTC1909-8
TYPICAL PERFOR A CE CHARACTERISTICS
6
300
250
200
150
100
1.6
2.0
1.8
1.4
1.2
1.0
–2
50
–1
1
0
3
2
0
–50 –25
–50 –25
0.5
Maximum Current Sense
Threshold vs V
Error Amplifier g
RUN/SS Pin Current
vs Temperature
0.75
PULL-DOWN CURRENT
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
PULL-UP CURRENT
V
1.0
RNG
25
25
VOLTAGE (V)
RNG
1.25
m
50
50
Voltage
vs Temperature
1.5
75
75
W
1.75
100
100
19098 G25
19098 G28
19098 G31
U
125
125
2.0
130
100
150
140
120
110
5.0
4.5
4.0
3.5
3.0
10
6
0
8
4
2
–50
–50 –25
–50 –25
RUN/SS Latchoff Thresholds
vs Temperature
Maximum Current Sense
Threshold vs Temperature
EXTV
vs Temperature
V
RNG
–25
= 1V
CC
Switch Resistance
0
0
LATCHOFF THRESHOLD
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
LATCHOFF ENABLE
25
25
25
50
50
50
75
75
75
100
100
100
19098 G25
19098 G29
19098 G32
125
125
125
–1.50
–0.25
–0.50
–0.75
–1.00
–1.25
0.81
0.79
0.78
0.82
0.80
4.0
3.5
3.0
2.5
2.0
0
–50
–50
–50
Feedback Reference Voltage
vs Temperature
FCB Pin Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
–25
–25
–25
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE (C)
25
25
25
50
50
50
75
75
75
100
100
100
19098 G30
19098 G27
19098 G33
19098f
125
125
125