Datasheet

LTC3805-5
6
38055fe
Start-Up I
CC
Supply Current
vs Temperature
I
CC
Supply Current
vs Temperature
V
CC
Shunt Regulator Voltage
vs Temperature
Peak Current Sense Voltage
vs Temperature
Overcurrent Threshold
vs Temperature
Internal Soft-Start Time
vs Temperature
External Soft-Start Current
vs Temperature
External Timeout Current
vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
30
START-UP SUPPLY CURRENT (µA)
32
36
44
34
40
48
50
38
42
46
38055 G09
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
300
SUPPLY CURRENT (µA)
310
330
320
340
360
350
38055 G10
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
9.20
V
CLAMP
(V)
9.25
9.35
9.45
9.30
9.40
9.50
9.55
9.60
38055 G11
V
CLAMP25mA
V
CLAMP1mA
TEMPERATURE (°C)
99.0
PEAK CURRENT SENSE VOLTAGE (mV)
99.2
99.6
100.0
99.4
99.8
100.2
100.4
100.8
100.6
38055 G12
–75 –50 –25 0 25 50 75 100 150125
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
94
OVERCURRENT THRESHOLD (mV)
96
100
98
102
104
38055 G13
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
1.90
INTERNAL SOFT-START TIME (ms)
1.95
2.05
2.15
2.00
2.10
2.20
38055 G14
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
4.4
4.5
I
SS
SOFT-START CURRENT (µA)
4.6
4.8
5.0
4.7
4.9
5.1
5.2
5.4
5.3
38055 G15
–75 –50 –25 0 25 50 75 100 150125
TEMPERATURE (°C)
1.5
I
FTO
EXTERNAL TIMEOUT CURRENT (µA)
1.6
1.8
2.0
1.7
1.9
2.1
38055 G16