Datasheet

1 10 100 1000
SOFTSTART CAPACITANCE (nF)
0.01
0.1
1
10
100
OFF TIME (s)
TEMPERATURE (
o
C)
OUT PEAK CURRENT (A)
-40 0 40 80 120
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Sinking
Sourcing
0 5 10 15 20 25
0
5
10
15
20
25
V
CC
(V)
V
IN
(V)
0 500 1000 1500 2000
OUT DRIVER LOAD (pF)
V
IN
CURRENT (mA)
2
3
4
5
6
F
S
= 160 kHz
F
S
= 80 kHz
F
S
= 40 kHz
15
16 17
18
19 20 21
V
IN
VOLTAGE (V)
0
2
4
6
8
10
12
14
16
V
IN
CURRENT (PA)
V
IN
Falling
V
IN
Rising
0
10 20 30
V
IN
(V)
V
IN
CURRENT (mA)
0
1
2
3
LM5021
SNVS359D –MAY 2005–REVISED MARCH 2013 www.ti.com
Typical Performance Characteristics
Unless otherwise specified: T
J
= 25°C.
VIN Start-Up Current VIN UVLO
Figure 2. Figure 3.
VIN Current vs OUT Load VIN Voltage Falling vs VCC Voltage
Figure 4. Figure 5.
OUT Driver Current vs Temperature Hiccup Mode Deadtime vs Softstart Capacitance
Figure 6. Figure 7.
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