RT6224A/B
Typical Application Circuit
RT6224A/B
BOOT
1
6
V
5
4
IN
VIN
L
2µH
4.3V to 18V
C
100nF
C
BOOT
IN
10µF
V
OUT
SW
FB
1.2V
R1
10k
C
FF
3
2
C
OUT
Enable
EN
22µF
R2
10k
GND
Table 1. Suggested Component Values
R1 (k)
110
R2 (k)
15
L (H)
4.7
3.6
3.6
2
VOUT (V)
COUT (F)
CFF (pF)
39
5
22
22
22
22
3.3
2.5
1.2
115
25.5
8.06
10
33
25.5
10
NC
NC
Note :All the input and output capacitors are the suggested values, referring to the effective capacitances, subject to any
de-rating effect, like a DC bias.
Copyright 2018 Richtek Technology Corporation. All rights reserved.
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6224A/B-02 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
