BD9560MUV_09 Datasheet, PDF (7/22 Pages) Rohm – Switching Regulator Controller for Graphic Chip Cores

BD9560MUV
Technical Note
●Block Diagram, Application circuit
V_3
VRON VCC VIN
25 13
32
GND
12
VREF 14
VID(4)
VID(3)
VID(2)
VID(1)
VID(0)
VSS_SNS
VID4
9
VID3
8
VID2 ₇
VID1 ₆
VID0 ₅
SGND ₁₁
SUS_OUT 23
DAC_C
10
Refernce
Block VREF
Under
Voltage
Lock out
ISM
5bit
DAC
Delay
1.5V
VDAC
UVLO
OVP
Over Voltage
Protect
VDAC
ISM
VDAC
UVLO
OVP
TSD
ILIM
SCP
Controller
Thermal
Protection
TSD
UVLO
VR_ON
Short
ILIM
VDAC
SS
Circuit
SCP
Delay
ISM
3
SCP
22 24
TON SLLM
PWRGD_C
1
PWRGD
2
VIN
R
Q
S
16
CL
Delay
Driver
Logic
BOOT
31
30 ^HG
29 ^SW
28 ^PVCC
27 ^LG
26 ^PGND
SS
VDAC
FB
21
19 ^LSM
20 ^LSP
18
ISM
ISP
17
UVLO
SS
Soft Start
Block
4
SS
VOUT
●Pin Configuration
VQFN032V5050
●Pin Function Table
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin name
PWRGD_C
PWRGD
SCP
SS
VID0
VID1
VID2
VID3
VID4
DAC_C
SGND
GND
VCC
VREF
NC
CL
(Unit : mm)
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin name
ISP
ISM
LSM
LSP
FB
TON
SUS_OUT
SLLM
VRON
PGND
LG
PVCC
SW
HG
BOOT
VIN
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2009.04 - Rev.B