LTC1735IS-1 Linear Technology, LTC1735IS-1 Datasheet - Page 4

• Manufacturer Part Number: LTC1735IS-1
• Description: IC REG SW SYNC STEPDWN HE 16SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1735IS-1

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 3A
• Frequency - Switching: 300kHz
• Voltage - Input: 4 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1735-1
TYPICAL PERFOR A CE CHARACTERISTICS
4
300
500
400
200
100
100
100
90
80
70
60
50
40
30
20
95
75
70
90
85
80
0.001
0
0
0
Efficiency vs Input Voltage
Efficiency vs Load Current
(3 Operating Modes)
Input and Shutdown Currents
vs Input Voltage
EXTV
EXTV
V
FIGURE 1
OUT
BURST
5
CC
CC
= 1.6V
5
OPEN
OPEN
0.01
10
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
LOAD CURRENT (A)
10
SYNC
EXTV
EXTV
SHUTDOWN
15
I
0.1
OUT
CC
15
CC
OPEN
20
= 5V
= 0.5A
CONT
20
25
V
V
R
f
O
I
IN
OUT
1
W
S
OUT
= 300kHz
= 0.01
= 10V
25
30
= 3.3V
1735-1 G01
= 5A
1735-1 G07
1735-1 G04
U
35
10
30
60
0
100
80
40
20
–0.3
–0.4
–0.1
–0.2
100
90
80
70
60
50
40
10mA
0
0
Efficiency vs Load Current
Load Regulation
EXTV
V
6
5
3
2
1
0
V
4
OUT
IN
0
INTV
1mA LOAD
= 5V
CC
= 1.6V
2
V
= 5V
5
IN
CC
100mA
= 24V
LOAD CURRENT (A)
LOAD CURRENT (A)
Line Regulation
10
INPUT VOLTAGE (V)
4
15
V
IN
6
= 15V
20
1A
FCB = 0V
V
FIGURE 1
25
8
IN
= 15V
1735-1 G02
1735-1 G05
30
1735-1 G08
10A
10
35
500
400
300
200
100
100
500
400
200
100
300
95
75
70
90
85
80
0
0
0
0
Efficiency vs Input Voltage
0
V
vs Load Current
EXTV
vs INTV
R
V
EXTV
V
FIGURE 1
IN
OUT
OUT
SENSE
– V
CC
= 5V – 5% DROP
= 1.6V
CC
5
10
2
INTV
= 0.005
= 5V
OUT
CC
Switch Drop
INPUT VOLTAGE (V)
LOAD CURRENT (A)
CC
Load Current
10
Dropout Voltage
LOAD CURRENT (mA)
20
4
15
I
30
OUT
6
20
= 0.5A
I
OUT
40
8
25
= 5A
1735-1 G03
1735-1 G06
1735-1 G09
30
10
50