LTC3719EG Linear Technology, LTC3719EG Datasheet - Page 6

• Manufacturer Part Number: LTC3719EG
• Description: IC SW REG SYNC STEP-DOWN 36-SSOP
• Manufacturer: Linear Technology

Specifications of LTC3719EG

• Applications: Controller, AMD Opteron™
• Voltage - Input: 4 ~ 36 V
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 1.55 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

LTC3719
TYPICAL PERFOR A CE CHARACTERISTICS
6
–0.3
–0.4
–0.1
–0.2
0.0
76
70
80
60
40
20
80
78
74
72
0
–50 –25
0
Load Regulation
0
Maximum Current Sense
Threshold vs Temperature
Maximum Current Sense Threshold
vs V
V
SENSE(CM)
RUN/SS
1
5
0
LOAD CURRENT (A)
TEMPERATURE ( C)
= 1.55V
2
(Soft-Start)
10
V
RUN/SS
25
3
50
(V)
15
4
75
W
FCB = 0V
V
FIGURE 1
20
IN
100
5
= 15V
3719 G13
3719 G16
3719 G10
U
125
25
6
1.8
1.6
1.4
1.2
1.0
0.8
0.4
0.6
0.2
2.5
2.0
1.5
1.0
0.5
64
0
80
76
72
68
60
0
–50
V
0
RUN/SS Current vs Temperature
Maximum Current Sense Threshold
vs Sense Common Mode Voltage
0
V
ITH
OSENSE
–25
vs V
1
COMMON MODE VOLTAGE (V)
= 0.7V
RUN/SS
0
TEMPERATURE ( C)
2
V
25
RUN/SS
(Soft-Start)
3
1
50
(V)
4
75
100
5
3719 G17
3719 G14
3719 G11
125
6
2
V
1V/DIV
1V/DIV
2V/DIV
–100
RUN/SS
–50
100
–10
–20
V
–30
V
50
OUT
90
80
70
60
50
40
10
30
20
ITH
0
0
0
0
SENSE Pins Total Source Current
Current Sense Threshold
vs I
Soft-Start Up (Figure 12)
V
TH
SENSE
0.5
Voltage
COMMON MODE VOLTAGE (V)
1
V
100ms/DIV
ITH
1
(V)
1.5
sn3719 3719fs
2
3719 G15
3719 G12
3718 G18
2.5
2