LTC3805-5 Linear Technology, LTC3805-5 Datasheet - Page 5

• Manufacturer Part Number: LTC3805-5
• Description: Adjustable Frequency Current Mode Flyback DC/DC Controller
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
100.8
100.6
100.4
100.2
100.0
99.4
99.2
99.8
99.6
99.0
34
32
50
48
46
44
42
40
38
36
30
–50
–50
Start-Up I
vs Temperature
Peak Current Sense Voltage
vs Temperature
–25
–25
0
0
CC
TEMPERATURE (°C)
TEMPERATURE (°C)
Supply Current
25
25
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
50
50
–50
External Soft-Start Current
vs Temperature
75
75
–25
100
100
38055 G09
38055 G12
0
TEMPERATURE (°C)
125
125
25
50
320
310
300
350
340
330
104
102
100
98
96
94
75
–50
–50
I
vs Temperature
Overcurrent Threshold
vs Temperature
CC
100
–25
Supply Current
–25
38055 G15
125
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
2.1
2.0
1.9
1.8
1.7
1.6
1.5
75
75
–50
External Timeout Current
vs Temperature
100
100
–25
38055 G10
38055 G13
125
125
0
TEMPERATURE (°C)
25
9.30
9.25
1.55
1.50
9.60
9.55
9.50
9.45
9.40
9.35
9.20
1.75
1.70
1.65
1.60
1.45
50
–50
–50
Internal Soft-Start Time
vs Temperature
V
vs Temperature
CC
75
–25
–25
Shunt Regulator Voltage
100
38055 G16
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
V
LTC3805-5
CLAMP25mA
V
125
CLAMP1mA
25
25
50
50
75
75
100
100
38055 G11
38055 G14
38055fa
5
125
125