ltc3608ewkg Linear Technology Corporation, ltc3608ewkg Datasheet - Page 6

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

LTC3608
TYPICAL PERFORMANCE CHARACTERISTICS
6
20
15
10
5
0
–50 –25
Maximum Valley Current Limit
vs Temperature
0
TEMPERATURE (°C)
1400
1200
1000
0.62
0.61
0.60
0.59
0.58
800
600
400
200
25
0
–50
0
Input and Shutdown Currents
vs Input Voltage
Feedback Reference Voltage
vs Temperature
50
–25
75
5
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
SHUTDOWN
100
3608 G16
25
EXTV
10
125
CC
50
OPEN
EXTV
75
CC
15
= 5V
18
16
14
12
10
8
6
4
100
4
Input Voltage
vs Maximum Valley Current
3608 G21
3608 G19
125
20
40
35
30
25
20
15
10
5
0
8
INPUT VOLTAGE (V)
12
–0.10
–0.20
–0.30
–0.40
0.30
0.20
0.10
1.6
1.0
2.0
1.8
1.4
1.2
0
–50 –25
0
Error Amplifi er g
INTV
16
CC
10
INTV
3608 G17
Load Regulation
0
20
TEMPERATURE (°C)
CC
LOAD CURRENT (mA)
20
25
m
50
vs Temperature
15
10
30
5
0
Maximum Valley Current Limit
in Foldback
0
75
40
0.1
100
3608 G22
3608 G20
0.2
125
50
V
FB
0.3
(V)
0.4
0.5
3608 G18
3608fa
0.6