ltc3711 Linear Technology Corporation, ltc3711 Datasheet - Page 6

• Manufacturer Part Number: ltc3711
• Description: 5-bit Adjustable, Wide Operating Range, No Rsense? Step-down Controller
• Manufacturer: Linear Technology Corporation

LTC3711
TYPICAL PERFOR A CE CHARACTERISTICS
6
2.0
1.8
1.6
1.4
1.2
1.0
10
8
6
4
2
0
–50 –25
–50 –25
Error Amplifier g
EXTV
vs Temperature
CC
4.5
3.5
3.0
5.0
4.0
–50
Switch Resistance
0
RUN/SS Latchoff Thresholds
vs Temperature
0
TEMPERATURE ( C)
TEMPERATURE ( C)
–25
25
25
m
50
50
vs Temperature
LATCHOFF THRESHOLD
0
TEMPERATURE ( C)
LATCHOFF ENABLE
25
75
75
W
100
100
50
3711 G19
3711 G22
U
125
125
75
100
3711 G25
1200
1000
400
800
600
200
–0.25
–1.00
–1.50
125
–0.50
–0.75
–1.25
0
0
Input and Shutdown Currents
vs Input Voltage
0
–50
FCB Pin Current vs Temperature
5
–25
10
INPUT VOLTAGE (V)
EXTV
0
EXTV
TEMPERATURE ( C)
15
CC
CC
25
SHUTDOWN
OPEN
= 5V
20
50
25
75
30
3711 G20
100
2.5
4.0
3.5
3.0
2.0
3711 G23
35
–50
Undervoltage Lockout Threshold
vs Temperature
60
50
40
10
0
125
30
20
–25
0
TEMPERATURE (C)
–2
–0.1
–0.3
–0.4
–0.5
–1
–0.2
3
2
1
0
–50 –25
25
0
RUN/SS Pin Current
vs Temperature
0
INTV
50
CC
10
INTV
Load Regulation
PULL-DOWN CURRENT
0
75
TEMPERATURE ( C)
PULL-UP CURRENT
CC
LOAD CURRENT (mA)
100
25
20
3711 G26
50
125
30
75
40
100
3711 G24
3711 G21
3711f
125
50