BD9560MUV_09 Datasheet, PDF (15/22 Pages) Rohm – Switching Regulator Controller for Graphic Chip Cores

BD9560MUV
●Evaluation Board Circuit(Application for ceramic capacitor)
Technical Note
3.3V
R0
VCC
VIN
VIN
R2
VIN_IC
R1
VCC_CORE
SW1 _R3
32
C1 ^VIN
15 ^R41
P_MON
P_MON
C24
Vcc
C18 C19 C20 C21 C22 C23
R26
SW2 R4
25 _VRON
5 _VID0
PVCC ²⁸
R40
C17
PVCC
SW3 R5
SW4 R6
SW5 R7
6 _VID1
7
VID2
8 _VID3
D2
31 ^R38
BTS
C14 ^C15
VIN _{VIN_FET VIN_FET}
R39
C16
SW6
VCC
3.3V
VREF
CL
VREF
C4
C5
R8
R9
R10
C2
R11
R12
C3
R14
VREF
R13
VIN_IC
R15
C_TON
R16
Vcc Vcc _R19
C6 C7 C8
GND GND
C9
9 _VID4
2 _PWRGD
16 _CL
HG ^{30 R37}
SW ^{29 R35}
LG ^{27 R34}
26
PGND
ISP ¹⁷
PGND
R28
Tr2a
Tr1a
14 _VREF
ISM ¹⁸
FB ²¹
22 _TON
LSM ¹⁹
1
3
4
10
PWRGD
SCP
SS
C
DAC
LSP ²⁰
SGND ¹¹
13 _VCC
SLLM ²⁴
12
GND
SUS_OUT ²³
C12
R27
R24
C25
R20
C11
R18
R17
C10
Tr1b
D1
R22
R21
VCC CORE
L1
R36
R33 C13
PULSE_IN
R29
R30 R31 _{R32 R42}
VCC_CORE
R43
Tr3A
Tr3B
R25
R23
VCC
SW7
VIN_IC
R44
R45
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2009.04 - Rev.B