RT3605BE
Typical Application Circuit
For MAIN Two Phase Application
RT3605BE
2
Optional
Optional
1
VCC
18
DRVEN
44 SET1
45
SET2
V
REF
46 SET3
47 SET4
48 SET5
5V
VCC
43 VIN
BOOT
L
PSYS
5V
VCC
BOOT
L
V
CCSA_OUT
LOAD
V
IN
V
CCSA_SENSE
V
SSSA_SENSE
PGND UGATE
5V
PWM_SA
PHASE
PWM
LGATE
EN
RT9610C
ISENP_SA
ISENN_SA
21
20
Optional
V
IN
R
NTC
PGND UGATE
PWM1_AUXI
27
DRVEN
PHASE
PWM
LGATE
EN
RT9610C
V
IN
V
REF
42
VREF06
Optional
ISEN1P_AUXI
32
33
680
0.1uF
V
IN
R
NTC
ISEN1N_AUXI
41
IMON_MAIN
V
CCGT_SENSE
V
SSGT_SENSE
5V
R
NTC
39
40
VCC
IMON_AUXI
IMON_SA
PWM2_AUXI 28
DRVEN
BOOT
V
GT_OUT
LOAD
L
PGND UGATE
PHASE
PWM
LGATE
EN
RT9610C
V
CCIO
To CPU
14 VR_READY
52
VR_HOT
51 VCLK
50 VDIO
49
ALERT
VRON
VSNE_MAIN
Enable
V
CC_SENSE
26
5
Optional
ISEN2P_AUXI 31
ISEN2N_AUXI 30
680
0.1uF
V
IN
5V
VCC
BOOT
PGND UGATE
PWM1_MAIN 17
DRVEN
COMP_MAIN
PHASE
PWM
LGATE
EN
RT9610C
L
V
CC_SENSE
Optional
V
SS_SENSE
Optional
V
CCGT_SENSE
Optional
4
3 FB_MAIN
6
RGND_MAIN
ISEN1P_MAIN
37 VSEN_AUXI
ISEN1N_MAIN
Optional
10
9
680
0.1uF
V
IN
V
CCGT_SENSE
Optional
V
SSGT_SENSE
Optional
V
CCSA_SENSE
Optional
36
5V
COMP_AUXI
VCC
BOOT
V
CC_SENSE
V
SS_SENSE
35 FB_AUXI
38
RGND_AUXI
PWM2_MAIN 15
DRVEN
24
VSEN_SA
ISEN2P_MAIN 11
ISEN2N_MAIN 12
PGND UGATE
PHASE
PWM
LGATE
EN
RT9610C
L
V
CORE_OUT
LOAD
Optional
V
CCSA_SENSE
Optional
V
SSSA_SENSE
Optional
Optional
23 COMP_SA
22
FB_SA
25 RGND_SA
680
0.1uF
V
IN
5V
VCC
13
R
NTC
BOOT
PGND UGATE
TSEN_MAIN
PWM3_MAIN
16
DRVEN
V
REF
L
PHASE
PWM
LGATE
EN
RT9610C
V
REF
34
R
NTC
TSEN_AUXI
ISEN3P_MAIN
7
ISEN3N_MAIN 8
Optional
680
DRVEN
DRVEN
19
0.1uF
5V
0V
29
ANS_EN
GND
53 (Exposed Pad)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS3605BE-00
December 2019
www.richtek.com
3
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
