Datasheet

LTC3805
6
3805fg
typical perForMance characteristics
External Soft-Start Current
vs Temperature
External Timeout Current
vs Temperature
TEMPERATURE (°C)
–75 –50
4.4
4.5
I
SS
SOFT-START CURRENT (µA)
4.6
4.8
5.0
4.7
4.9
5.1
5.2
5.3
–25 0 25 50
3805 G15
75 100 125 150
TEMPERATURE (°C)
–75 –50
1.5
I
FTO
EXTERNAL TIMEOUT CURRENT (µA)
1.6
1.8
2.0
1.7
1.9
2.1
–25 0 25 50
3805 G16
75 100 125 150
Peak Current Sense Voltage
vs Temperature
Overcurrent Threshold
vs Temperature
Internal Soft-Start Time
vs Temperature
TEMPERATURE (°C)
–75 –50
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
–25 0 25 50
3805 G12
75 100 125
150
TEMPERATURE (°C)
–75 –50
94
OVERCURRENT THRESHOLD (mV)
96
100
98
102
104
–25 0 25 50
3805 G13
75 100 125 150
TEMPERATURE (°C)
–75 –50
1.90
INTERNAL SOFT-START TIME (ms)
1.95
2.05
2.15
2.00
2.10
2.20
–25 0 25 50
3805 G14
75 100 125 150
I
CC
Supply Current
vs Temperature
V
CC
Shunt Regulator Voltage
vs Temperature
TEMPERATURE (°C)
–75 –50
300
SUPPLY CURRENT (µA)
310
330
320
340
350
–25 0 25 50
3805 G10
75 100 125 150
TEMPERATURE (°C)
–75 –50
9.20
V
CLAMP
(V)
9.25
9.35
9.45
9.30
9.40
9.50
9.55
9.60
–25 0 25 50
3805 G11
75 100 125
150
V
CLAMP25mA
V
CLAMP1mA