RT2101A
Typical Application Circuit
RT2101A
V
IN
C1
10µF
R3
100k
1, 2, 16
VIN
SW
BOOT
FB
10, 11, 12
C
BOOT
0.1µF
13
6
R
C
7.68k
C
C
3.3nF
R2
10k
L
1.5µH
C2
22µF
C3
22µF
R1
11.8k
V
OUT
1.8V
15 EN
14 PGOOD
9
SS/TR
RT/SYNC
C4
10nF
R
RT
180k
8
COMP 7
3, 4, 17 (Exposed Pad)
GND
AGND 5
Table 1. Recommended Component Selection
V
OUT
(V)
1.2
1.8
2.5
3.3
R1 (k)
4.3
11.8
20.4
30
R2 (k)
10
10
10
10
R
C
(k)
11.8
7.68
10.7
14
C
C
(nF)
1
3.3
2.2
1.8
L (H)
1 to 1.5
1 to 1.5
1 to 2.2
1 to 2.2
Copyright
©
2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS2101A-07 March 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
