ltc3608ewkg Linear Technology Corporation, ltc3608ewkg Datasheet - Page 7

• Manufacturer Part Number: ltc3608ewkg
• Description: 18v, 8a Monolithic Synchronous Step-down Dc/dc Converter
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
5.0
4.5
4.0
3.5
3.0
20
18
16
14
12
10
8
6
4
2
0
0
400
–50
–50
FCB Pin Current vs Temperature
I
RUN/SS Pin Current
vs Temperature
EXTVCC
V
IN
–25
= 20V
–25
500
vs Frequency
0
0
LATCHOFF THRESHOLD
TEMPERATURE (°C)
600
TEMPERATURE (°C)
FREQUENCY (kHz)
LATCHOFF ENABLE
25
25
700
50
50
800
75
75
900
100
100
3608 G23
3608 G25
3608 G27
1000
125
125
4.0
3.5
3.0
2.5
2.0
–1
–2
10
3
2
1
0
8
6
4
2
0
–50 –25
–50 –25
–50
EXTV
vs Temperature
RUN/SS Pin Current
vs Temperature
Undervoltage Lockout Threshold
vs Temperature
–25
CC
Switch Resistance
0
0
PULL-DOWN CURRENT
TEMPERATURE (°C)
0
PULL-UP CURRENT
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
100
100
100
3608 G26
3608 G24
3608 G28
125
125
125
LTC3608
3608fa
7