RT2810A/B
Typical Application Circuit
V
IN
RT2810A/B
10 to 14
6 VIN
SW
BOOT
9
L1
1µH
C6
0.1µF
V
OUT
1.4V
C3
R1
20k
C7
22µF x 3
C1
10µF x 2
V
PGOOD
C2
0.1µF
8 PGOOD
R
PGOOD
100k
3 PVCC
C4
1µF
15
EN
V
PVCC
FB 2
SS
5
C5
10nF
R2
20k
Enable
16 RLIM
R
LIM
AGND
1
RT 4
GND
7
R
RT
R
LIM
= 172k, OCP typical 6A
R
LIM
= 94k, OCP typical 11.4A
R
LIM
= 80k, OCP typical 13.3A
R
LIM
= 66k, OCP typical 16A
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.
Table 1. Suggested Component Values
V
OUT
(V)
1
1.4
1.8
2.5
5
R1 (k)
8.66
20
31.6
51.1
124
R2 (k)
20
20
20
20
20
C3 (pF)
--
--
10
10
22
L1 (H)
1
1
1
1.2
2
C7 (F)
66
66
66
66
66
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS2810A/B-07 April 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
