LT8580
5
8580fa
For more information www.linear.com/LT8580
Typical perForMance characTerisTics
SHDN Pin Current
SHDN Pin Current Active/Lockout Threshold
T
A
= 25°C, unless otherwise specified
Oscillator Frequency During
Soft-Start
Internal UVLO
FBX VOLTAGE (V)
0
0
NORMALIZED OSCILLATOR FREQUENCY (F/F
NOM
)
1/4
1/2
1/3
1/6
1/5
1
0.2
0.4
INVERTING
CONFIGURATIONS
NONINVERTING
CONFIGURATIONS
0.6 0.8
1 1.2
TEMPERATURE (°C)
–50 –25
2.1
V
IN
VOLTAGE (V)
2.2
2.7
2.4
2.3
0 5025 75
2.5
2.6
125100 150
SHDN VOLTAGE (V)
0
0
SHDN PIN CURRENT (µA)
5
10
15
20
25
30
0.50.25 1 1.50.75 1.25 1.75 2
125°C
25°C
–40°C
SHDN VOLTAGE (V)
0
SHDN PIN CURRENT (µA)
200
250
300
350
400
15 25
8580 G11
150
100
5 10 20 30 35 40
50
0
125°C
25°C
–40°C
TEMPERATURE (°C)
–50 –25
1.20
SHDN VOLTAGE (V)
1.22
1.26
1.28
1.30
1.40
1.34
0 50 75
8580 G12
1.24
1.36
1.38
1.32
100 125 150
SHDN RISING
SHDN FALLING
25
Minimum On Time
vs Temperature
TEMPERATURE (°C)
–50 –25
0
MINIMUM ON TIME (NS)
50
100
150
400
250
0 50 75
300
350
200
100 125 150
RECOMMENDED MINIMUM ON TIME
MEASURED MINIMUM ON TIME
25
