LTC3703IGN-5 Linear Technology, LTC3703IGN-5 Datasheet - Page 4

• Manufacturer Part Number: LTC3703IGN-5
• Description: IC,SMPS CONTROLLER,VOLTAGE-MODE,CMOS,SSOP,16PIN,PLASTIC
• Manufacturer: Linear Technology

LTC3703
TYPICAL PERFOR A CE CHARACTERISTICS
4
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
95
90
85
80
75
70
70
65
60
55
50
45
40
35
30
0
–50 –25
Efficiency vs Input Voltage
V
6
V
Temperature
0
CC
CC
V
f = 300kHz
PULSE SKIP DISABLED
OUT
10
Current vs V
Shut-Down Current vs
= 12V
8
20
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
V
CC
25
30
10
VOLTAGE (V)
COMP = 1.5V
CC
40
50
I
OUT
Voltage
12
= 5A
75
50
I
V
OUT
FB
100
60
W
= 0V
= 0.5A
14
125
70
3703 G04
3703 G07
3703 G01
U
150
80
16
0.803
0.802
0.801
0.800
0.799
0.798
100
95
90
85
80
75
70
4
3
2
1
0
–50 –25
–50 –25
V
Reference Voltage vs
Temperature
0 0.5
Efficiency vs Load Current
CC
Current vs Temperature
1.0
0
0
1.5
TEMPERATURE (°C)
TEMPERATURE (°C)
LOAD CURRENT (A)
V
25
25
IN
2.0
= 15V
2.5
50
50
V
f = 250kHz
PULSE SKIP ENABLED
COMP = 1.5V
OUT
V
3.0
IN
75
75
= 5V
= 45V
V
3.5
FB
100
100
= 0V
V
4.0
IN
125
T
= 75V
125
3703 G08
4.5
3703 G02
A
3703 G05
= 25°C (unless otherwise noted).
150
150
5.0
50mV/DIV
2A/DIV
V
I
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
100
OUT
OUT
90
80
70
60
50
40
30
20
10
0
–50 –25
6
Load Transient Response
V
Voltage
Normalized Frequency vs
Temperature
V
V
1A TO 5A LOAD STEP
IN
OUT
CC
= 50V
Shut-Down Current vs V
= 12V
8
0
TEMPERATURE (°C)
V
CC
25
10
VOLTAGE (V)
50µs/DIV
50
12
75
100 125 150
14
CC
3703 G03
3703 G06
3703 G09
3703fa
16