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