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BD9866GUL 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD9866GUL은 전자 산업 및 응용 분야에서
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부품번호 BD9866GUL 기능
기능 4CH Internal Power MOSFET System Switching Regulator
제조업체 ROHM Semiconductor
로고 ROHM Semiconductor 로고


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BD9866GUL 데이터시트, 핀배열, 회로
Power LSI series for Digital Camera and Digital Video Camera
4CH Internal Power MOSFET
System Switching Regulator
BD9866GUL
Outline
BD9866GUL is a 4ch DC/DC converter IC composed of
Buck converter 3-channels and Buck-Boost converter
1-channel.Including power MOSFET of all channels
reduces the number of peripheral devices. Each
channel is controlled individually, that enables to reduce
power consumption of not working channel.
Features
1) Includes Buck converter (CH1, 2 and 4), and
Buck-Boost converter (CH3), total 4 channels
included.
2) Includes Power MOSFET for all channels.
3) Includes Over Current Protection (OCP) for all
channels.
4) Includes Short Circuit Protection (SCP.)
5) Includes Undervoltage Lock Out (UVLO.)
6) Includes Thermal Shut Down (TSD.)
7) Includes Power Good(PG)
8) External synchronous oscillation
9) Each channel can be turn on/off individually.
10) Contains internal compensation for all channels.
11) Operation frequency of 1MHz.
Package
WLCSP(3.75mm×3.75mm)
Use
For digital single-lens reflex camera, digital video
camera.
Key specifications
Input voltage range :
Output voltage
CH1 reference voltage:
CH2 reference voltage:
CH3 reference voltage:
CH4 reference voltage:
Load current
CH1 load current:
CH2 load current:
CH3 load current:
CH4 load current:
Frequency:
Function block diagram
Step Down
DC/DC 1
Step Down
DC/DC 2
FET
FET
FET
FET
FET
Buck Boost
DC/DC 3
FET
FET
Step Down
DC/DC 4
FET
FET
FET
4.0V to 14.0V
0.6V±1.67% (typ.)
0.8V±1.25% (typ.)
0.8V±1.25% (typ.)
0.8V±1.25% (typ.)
3.0A(max)
2.0A(max)
1.5A(max)
3.0A(max)
1MHz(typ.)
1.1V
1.5V
5.0V
3.3V
Figure. 1 Function block diagram
Product structure:Sillicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radio active rays
1/35
TSZ02201-0B2B0A400010-1-2
17.APR.2013 Rev.001




BD9866GUL pdf, 반도체, 판매, 대치품
BD9866GUL
Datasheet
Absolute Maximum Ratings
Parameter
Symbol
Limits
Maximum Power Supply Voltage
VCC, PVCC, PVCC1,2,3,4
-0.3 to 15
Maximum Input Current
IPVCC1,4
IPVCC2,3
3.5
2.5
VREGA, VREGD, PVCC1,2,3,4-VREGB
-0.3 to 7
Lx1, Lx2, Lx31, Lx4
-0.3 to 15
Lx32, Vo3
-0.3 to 10.5
Maximum Input Voltage
PG
CH1,2G
-0.3 to 15
-0.3 to 7
CTL1,2,3,4
-0.3 to 15
SEL -0.3 to 15
Power Dissipation
SYNC
Pd
-0.3 to 15
1.25(*1)
Operating Temperature
Topr -25 to +85
Storage Temperature
Tstg -55 to +125
Junction Temperature
Tjmax
125
(1*)when mounted on a 50mm×50mm×1.75mm glass epoxy 8layer PCB at Ta=25(Derate by 12.5mW/above 25)
Units
V
A
A
V
V
V
V
V
V
V
V
W
Recommended Operating Conditions
Parameter
Symbol
Power Supply Voltage
VREGA,VREGD Output Capacitor
VREGB Output Capacitor
Capacitor Connected to SCP
Oscillator Frequency
VCC,PVCC
CVREGA,D
CVREGB
CSCP
FOSC
Min
4.0
0.47
0.47
0.001
0.6
Limits
Typ
6.0
1.0
1.0
1.0
Max
14
2.2
2.2
2.2
1.5
OSC Timing Resistor
RT 47 82 120
Capacitor Connected to RTSS
CRTSS
1000 10000
H Level of SYNC Input voltage
VSYNCH
3.0
- VCC
L Level of SYNC Input voltage
VSYNCL
-0.3
-
0.5
Duty of SYNC Input
DSYNC 40 50 60
Output voltage range of CH3
Output Current of CH1
Output Current of CH2
Output Current of CH3
Output Current of CH4
VVOUT3
IOUTCH1
IOUTCH2
IOUTCH3
IOUTCH4
4.0
10
3(*3)
2(*3)
1.5(*3)
3(*3)
(*) Please connect capacitor to I/O(VCC, PVCC, VREG) so that IC can be operated safety.
(*3) Please make a power design total loss of IC not to exceed the power dissipation.
Units
Conditions
V
µF
µF
µF
MHz
k
pF
V
V
%
V
A
A
A
A
Connect to PVCC
1MHz by connecting 82k
1.1V Output
1.5V Output
5.0V Output
3.3V Output
Over Current Protection
Parameter
CH1 PVCC1 OCP Current
CH2 PVCC2 OCP Current
CH3 PVCC3 OCP Curernt
CH4 PVCC4 OCP Current
Symbol
IOCP1
IOCP2
IOCP3
IOCP4
Limits
Units
Min Typ Max
3.2 - - A
2.2 - - A
3.0 - - A
3.2 - - A
Conditions
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/35
TSZ02201-0B2B0A400010-1-2
17.APR.2013 Rev.001

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BD9866GUL 전자부품, 판매, 대치품
BD9866GUL
Application circuit1
Datasheet
A
(47pF)( )
(*1)
(8.2kΩ)( )
150kΩ
180kΩ
INV1
B
VREGA
-
+
+
ERRORAMP1
PWMCOMP1
Limit input current for PVCC
OCP
CH1
Step Down
(Current mode)
PVCC1 4.7μF A
Lx1 4.7μH
Vo1
1.1V
PGND1
10μF
100kΩ
INV2
120kΩ
C
24pF
200kΩ
INV3
39kΩ
D
VREGA
-
+
+
ERRORAMP2
VREGA
-
+
+
ERRORAMP3
PWMCOMP2
Limit input current for PVCC
OCP
CH2
Step Down
(Current mode)
Light Load
mode
SEL
Limit input current for PVCC
PWMCOMP3
OCP
CH3
Cross Converter
(Voltage mode)
B
PVCC2 4.7μF
Lx2 4.7μH
Vo2
1.5V
PGND2
10μF
PVCC3
Lx31
4.7μF
PGND3
4.7μH
Lx32
Vo3
C
Vo3
5.0V
75kΩ
24kΩ
0.01μF
INV4
SCP
VREGA
-
+
+
ERRORAMP4
SCP TIMER
+----
VREGA
SCP
TIMEROUT
Counter reset
SS
CLK
CH1G
CH2G
VREGA
CH CTL
OSC
CTL1 CTL2 CTL3 CTL4 SEL RTSS RT
PWMCOMP4
Limit input current for PVCC
OCP
CH4
Step Down
(Current mode)
PROTECTION
VCC
VREGA
VREGD
UVLO
Light Load
mode
SEL
Substrate
RTSS
enable
SYNC
VREG VREG VREG
ADB
TSD shutdown
VREGA
SCP
TIMEROUT
VREGD
GND
10μF
PVCC4 4.7μF D
Lx4 4.7μH
Vo4
3.3V
PGND4
PGND
10μF
VCC
PVCC
1.0μF
VREGB
100kΩ
PG
0.01μF
82kΩ
1.0μF
1.0μF
Figure. 4 Application circuit 1
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/35
TSZ02201-0B2B0A400010-1-2
17.APR.2013 Rev.001

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관련 데이터시트

부품번호상세설명 및 기능제조사
BD9866GUL

4CH Internal Power MOSFET System Switching Regulator

ROHM Semiconductor
ROHM Semiconductor

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