RT6585A/B
Typical Application Circuit
V
IN
5.2V to 25V
C1
10µF
R8
0
12
VIN
RT6585A
UGATE2
BOOT2
UGATE1
BOOT1
PHASE2
LGATE2
18
15
PHASE1
LGATE1
FB2 4
14
8
11
10
9
R10 0
R9 0
C11
0.1µF
Q2
BSC0909
NS
C13
10µF
C12
10µF
Q1
BSC0909
NS
L1
3.3µH
R4 0 16
R3 0
C2
0.1µF
17
L2
2.2µH
Q4
BSC0909
NS
R11*
C14*
R14
130k
R15
200k
5V
C17
220µF
V
OUT2
3.3V
V
OUT1
5V
C3
220µF
R5*
C4*
Q3
BSC0909
NS
C21*
C18*
R12
150k
R13
100k
D1
C6
0.1µF
D2
D3
C8
0.1µF
D4
C23
0.1µF
2
C5
0.1µF
BYP1
LDO5
FB1
PGOOD 7
LDO3
3
C16
1µF
13
C9
1µF
19
VCLK
PGOOD Indicator
3.3V Always On
R1
16k
R2
16k
C7
0.1µF
CS1
1
5
BAT254
CPO
Channel 1 Enable
Channel 2 Enable
Off
* : Optional
On
20
6
EN1
EN2
GND
CS2
21 (Exposed Pad)
V
IN
5.2V to 25V
C1
10µF
R8
0
12
C10
0.1µF
R4 0 16
R3 0
C2
0.1µF
17
VIN
RT6585B
UGATE2
BOOT2
UGATE1
BOOT1
PHASE2
LGATE2
18
15
PHASE1
LGATE1
FB2 4
14
8
11
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
Q4
BSC0909
NS
R11*
C14*
R14
130k
R15
200k
5V Always On
C17
220µF
V
OUT2
3.3V
V
OUT1
5V
C3
220µF
R5*
C4*
Q3
BSC0909
NS
C21*
C18*
R12
150k
R13
100k
D1
C6
0.1µF
D2
D3
C8
0.1µF
D4
C23
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
16k
R2
16k
19
VCLK
C7
0.1µF
CS1
1
5
BAT254
CPO
Channel 1 Enable
Channel 2 Enable
* : Optional
Off
On
20
6
EN1
EN2
GND
CS2
21 (Exposed Pad)
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6585A/B-04 January 2016
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
