LTC3703EG-5#TR Linear Technology, LTC3703EG-5#TR Datasheet - Page 4

• Manufacturer Part Number: LTC3703EG-5#TR
• Description: IC BUCK/BOOST SYNC ADJ 5A 28SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of LTC3703EG-5#TR

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 55.8 V
• Current - Output: 5A
• Frequency - Switching: 100kHz ~ 600kHz
• Voltage - Input: 9.3 ~ 60 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC3703-5
TYPICAL PERFOR A CE CHARACTERISTICS
4
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
85
95
90
80
35
30
25
20
15
10
0
5
0
–60 –40 –20 0
Efficiency vs Input Voltage
0
0
V
V
vs Temperature
V
f = 250kHz
FORCED CONTINUOUS
V
V
CC
CC
OUT
CC
CC
Current vs V
RISING
Shutdown Current
= 5V
2.5
= 5V
10
I
OUT
INPUT VOLTAGE (V)
TEMPERATURE (°C)
20
V
5
CC
COMP = 1.5V
= 5A
20 40
VOLTAGE (V)
V
FB
I
CC
7.5
30
OUT
= 0V
Voltage
= 1A
60
40
10
80
W
100 120 140
12.5
50
37035 G04
37035 G07
37035 G01
U
60
15
0.803
0.802
0.801
0.800
0.799
0.798
100
95
90
85
80
4
3
2
1
0
–60 –40 –20 0
–60 –40 –20 0
Efficiency vs Load Current
0
V
Reference Voltage
vs Temperature
V
f = 250kHz
PULSE SKIP ENABLED
CC
OUT
Current vs Temperature
= 12V
1
TEMPERATURE (°C)
LOAD CURRENT (A)
TEMPERATURE (°C)
20 40
20 40
2
V
V
IN
IN
COMP = 1.5V
= 42V
= 24V
60
60
3
V
80
80
FB
= 0V
100
100 120 140
4
T
37035 G02
37035 G08
37035 G05
120 140
A
= 25°C (unless otherwise noted).
5
AC COUPLED
50mV/DIV
2A/DIV
V
I
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
120
100
OUT
OUT
80
60
20
40
0
–60 –40 –20 0
0
Load Transient Response
V
V
1A TO 5A LOAD STEP
V
Voltage
Normalized Frequency
vs Temperature
IN
OUT
CC
= 50V
= 12V
2
Shutdown Current vs V
4
TEMPERATURE (°C)
V
CC
6
20 40 60 80
VOLTAGE (V)
50µs/DIV
8
10
12
100 120
CC
37035 G03
37035 G06
37035 G09
14
37035fa
140
16