DS6550A Datasheet, PDF (7/16 Pages) Richtek Technology Corporation – Synchronous DC-DC Step-Down Controller with 5V LDO

RT6550A
Typical Application Circuit
V_IN
5.2V to 25V
C1
10µF
Enable
On
Off
5V
* : Optional
R1
0
C2
1µF
R2
82k
RT6550A
6 _VIN
UGATE ⁸
BOOT ⁷
1 _EN
PHASE ⁹
LGATE ¹⁰
5 _LDO5
VO_DIS ⁴
R3 0
R4 0
Q2
BSC0909
NS
C4
0.1µF
Q4
BSC0909
NS
2 _CS
FB ³
GND ^{11 (Exposed Pad)}
C3
C4
10µF 10µF
L
3.3µH
R5*
C5*
V_OUT
C6
5V
220µF
R6
15k
C8*
R7
10k
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS6550A-00 September 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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