Datasheet

CURRENT LIMIT VOLTAGE (mV)
DUTY CYCLE (%)
0 10 20 30 40 50 60 70 80 90
0
100
200
300
400
100
LM3477A
LM3477
0
0.2
0.4
0.6
0.8
1
1.2
1.4
-40
0
40
80
120
SHUTDOWN THRESHOLD (V)
TEMPERATURE (°C)
Output = Low
Output = High
1k
R
SL
(:)
0
50
150
250
100
200
0
2k
3k 4k
5k
'V
SL
(mV)
0
50
100
150
200
250
300
350
400
450
TEMPERATURE (°C)
SHORT CIRCUIT SENSE VOLTAGE (mV)
LM3477A
LM3477
-50 0 50 100 150
LM3477
SNVS141K –OCTOBER 2000–REVISED MARCH 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified, V
IN
= 12V, T
J
= 25°C.
Slope Compensation Ramp vs Slope Compensation
Short Circuit vs Temperature Resistor
Figure 15. Figure 16.
Shutdown Threshold Hysteresis vs Temperature Current Sense Voltage vs Duty Cycle
Figure 17. Figure 18.
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