Datasheet

GND
FB
Vin
SW
1
C
20V
3
2
1
4
5
3
R
1
L
1
D
2
C
2
R
1
R
LOAD
R
3
C
V
IN
SHDN
1 M:
22 PF
6.3V
10 PH
1.2A
500 mA 30V
470 pF
50V
10k
4.7 PF
50V
150k
GND
FB
Vin
SW
1
C
5V
3
2
1
4
5
3
R
1
L
1
D
2
C
2
R
1
R
LOAD
R
3
C
V
IN
SHDN
1 M:
10 PF
6.3V
10 PH
1.2A
1A 20V
1 nF
30.1k
10 PF
10V
10k
LMR62421
SNVS734B –OCTOBER 2011–REVISED APRIL 2013 www.ti.com
LMR62421 Design Example 2
Figure 26. Vin = 3V, Vout = 5V @ 500 mA
LMR62421 Design Example 3
Figure 27. Vin = 3.3V, Vout = 20V @ 100 mA
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