RT6576F
Typical Application Circuit
V
IN
5V to 25V
R8
0
C12
C13
C1
10µF
RT6576F
UGATE2
10µF
10µF
R10 0
R9 0
Q2
BSC0909
NS
10
9
12
VIN
C10
0.1µF
BOOT2
C11
0.1µF
Q1
BSC0909
NS
R4 0
16
17
L2
2.2µH
UGATE1
BOOT1
8
V
3.3V
R3 0
OUT2
PHASE2
LGATE2
C17
220µF
Q4
BSC0909
NS
11
L1
C2
0.1µF
R11*
C14*
3.3µH
18
15
V
OUT1
5V
PHASE1
LGATE1
Q3
BSC0909
NS
C3
220µF
R5*
C4*
R14
13k
C21*
4
FB2
14
2
R15
20k
BYP1
FB1
C22
R12
15k
13
C18*
0.1µF
LDO5
5V Always On
C9
1µF
D1
C5
0.1µF
R13
10k
7
3
C6
PGOOD
LDO3
PGOOD Indicator
3.3V Always On
19
VCLK
0.1µF
D2
D3
C16
1µF
C7
0.1µF
R1
C8
0.1µF
82.5k
D4
1
5
CS1
CS2
R2
82.5k
BAT254
CPO
20
6
Channel 1 Enable
Channel 2 Enable
EN1
EN2
21 (Exposed Pad)
GND
On
Off
* : Optional
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6576F-00 August 2018
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
