LTC1709EG Linear Technology, LTC1709EG Datasheet - Page 6

• Manufacturer Part Number: LTC1709EG
• Description: IC REG SW 2PH SYNC STPDWN 36SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1709EG

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1.3 ~ 3.5 V
• Current - Output: 3A
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Frequency - Switching: -

LTC1709
50mV/DIV
6
TYPICAL PERFOR A CE CHARACTERISTICS
10A/DIV
–0.2
–0.3
–0.4
–0.1
76
80
78
74
72
70
V
0.0
I
OUT
OUT
–50 –25
Maximum Current Sense
Threshold vs Temperature
0
Load Regulation
Load Step Response Using Active
Voltage Positioning (Figure 12)
0A
1
0
TEMPERATURE ( C)
LOAD CURRENT (A)
25
2
20A
20 s/DIV
50
3
75
W
FCB = 0V
V
FIGURE 1
IN
4
100
= 15V
1709 G17
1709 G13
125
1709 G20
U
5
2.5
0.5
2.0
1.5
1.0
1.8
1.6
1.4
1.2
1.0
0.8
0.4
0.6
0.2
31
0
35
33
29
27
25
0
–50
0
–50 –25
V
RUN/SS Current vs Temperature
V
Current Sense Pin Input Current
vs Temperature
ITH
OSENSE
EXTV
–25
vs V
1
CC
= 0.7V
RUN/SS
= 5V
0
TEMPERATURE ( C)
0
TEMPERATURE ( C)
2
V
RUN/SS
25
25
3
50
50
(V)
4
75
75
5
100
100
1709 G14
1709 G18
1709 G21
125
125
6
V
1V/DIV
2V/DIV
2V/DIV
RUNSS
–100
V
10
–50
V
100
OUT
8
6
4
2
0
ITH
50
–50 –25
0
EXTV
vs Temperature
0
SENSE Pins Total Source Current
Soft-Start Up (Figure 12)
V
CC
SENSE
Switch Resistance
0
TEMPERATURE ( C)
COMMON MODE VOLTAGE (V)
2
25
100ms/DIV
50
75
4
100
1709 G22
1709 G15
1629 G19
125
6