RT6206A
Typical Application Circuit
L1
1.4µH
RT6206A
V
OUT
VIN
V
IN
SW
1.05V/5.5A
C1
C2
C6
10µF x 2
0.1µF
VINR*
C7
22µF x 2
C3
R1
0.1µF
BOOT
FB
8.25k
EN
Input Signal
Power Good
R2
22k
PGOOD*
SS
C5
3.3nF
R3
100k
VREG5
C4
1µF
GND* PGND
* : VINR, GND pin for TSSOP-14 (Exposed Pad) only.
* : PGOOD pin for TSSOP-14 (Exposed Pad) and WDFN-10L 3x3 only.
Table 1. Suggested Component Values (VIN = 12V)
VOUT (V)
R1 (k)
6.81
8.25
12.7
30.1
49.9
73.2
124
R2 (k)
22.1
22.1
22.1
22.1
22.1
22.1
22.1
22.1
C3 (pF)
--
L1 (H)
C7 (F)
22 to 68
22 to 68
22 to 68
22 to 68
22 to 68
22 to 68
22 to 68
22 to 68
1
1.05
1.2
1.8
2.5
3.3
5
1.4
1.4
1.4
2
--
--
5 to 22
5 to 22
5 to 22
5 to 22
5 to 22
2
2
3.3
3.3
7
180
Copyright 2015 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6206A-03 September 2015
www.richtek.com
7