RT4805A
Typical Application Circuit
RT4805A
A3
C
IN
10μF
L1
0.47μH
C3, C4
VIN
VOUT
B3, B4
C
OUT
22μF x 2
LX
To pull high voltage
1M
PGOOD
A2
+
-
To pull high voltage
1k
1k
B1 VSEL
A1
EN
C1
nBYP
C2
SDA
B2 SCL
AGND PGND
D1
D2, D3, D4
BOM of Test Board
Reference
C
IN
C
OUT
L1
Description
10F/16V/X5R
22F/10V/X5R
0.47μH,
20%
Manufacturer
Taiyo : EMK212ABJ106KG
Taiyo : LMK212BBJ226MG
TOKO : DFE2520F-R47M
Package
0805
0805
2520
Parameter
C
C
L
DCR (Series R)
Typ.
10
22
0.47
29
Unit
F
F
H
m
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS4805A-02
April 2017
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
