LTC3717 Linear, LTC3717 Datasheet - Page 5

• Manufacturer Part Number: LTC3717
• Description: Wide Operating Range / No RSENSE Step-Down Controller for DDR/QDR Memory Termination
• Manufacturer: Linear

TYPICAL PERFOR A CE CHARACTERISTICS
–0.1
–0.3
–0.4
–0.5
–0.2
2.5
4.0
3.5
3.0
2.0
0
–50
0
INTV
Undervoltage Lockout Threshold
vs Temperature
–25
CC
10
INTV
Load Regulation
0
CC
TEMPERATURE (C)
LOAD CURRENT (mA)
20
25
180
160
140
120
100
80
60
40
20
0
–50
Maximum Current Sense Threshold
vs Temperature, V
50
30
–30 –10 10
75
W
40
TEMPERATURE ( C)
100
3717 G17
3717 G14
30
125
U
50
RNG
50
70
= 1V
300
250
200
150
100
–2
90 110
–1
50
1
3
2
0
0
0.50
–50 –25
Maximum Current Sense Threshold
vs V
RUN/SS Latchoff Thresholds
vs Temperature
3717 G20
RNG
130
0.75
Voltage
PULL-DOWN CURRENT
0
TEMPERATURE ( C)
1.00
PULL-UP CURRENT
25
V
RNG
1.25
(V)
50
1.50
75
1.50
1.40
1.30
1.20
1.10
1.00
0.90
0.80
0.70
1.75
100
3717 G15
3717 G18
–50
Error Amplifier gm
vs Temperature
125
2.00
–30 –10 10
TEMPERATURE ( C)
160
140
120
100
5.0
4.5
4.0
3.5
3.0
80
60
40
20
0
–50
2.0
30
RUN/SS Latchoff Thresholds
vs Temperature
Maximum Current Sense Threshold
vs RUN/SS Voltage, V
50
2.2
–25
70
2.4
LATCHOFF THRESHOLD
0
TEMPERATURE ( C)
90 110
2.6
LATCHOFF ENABLE
RUN/SS (V)
25
3717 G21
2.8
130
LTC3717
50
3.0 3.2
RNG
75
sn3717 3717fs
= 1V
100
3.4
3717 G16
3717 G19
5
125
3.6