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BD9634GU 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BD9634GU은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 BD9634GU 기능
기능 Switching Regulator ICs
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BD9634GU 데이터시트, 핀배열, 회로
Datasheet
Switching Regulator ICs
with Built-in FET (5V)
BD9634GU
General Description
BD9634GU is a system switching regulator IC for
DSC/DVC applications to generate plural voltage high
efficiently from battery. Component for Power FET and
phase compensation are embedded so it is suitable for
compact type DSC/DVC application.
Features
7ch DC/DC converter, 2ch LDO embedded
CH1 Boost
Startup ch,Motor
CH2 LDO
FET embedded
Analog
CH3 Buck
FET embedded
Core
CH4 Buck-Boost FET embedded
Digital
CH5 Boost/Buck
CMOS, Memory
CH6 Boost
LED
CH7 Boost
FET embedded
CCD
CH8 Reverse
CCD
CH9 LDO
FET embedded
Analog
Low voltage operation 2.5[V]
CH1 supply voltage output for internal circuit
CH1 PWM / PFM selectable
CH4 Boost-Buck auto switching
CH5 Boost/Buck external switching
CH6,CH7 integrated Boost output shutdown
CH7: Back Gate Control Function
CH6: Load Switch integrated
Soft-start correspondence to each channel ch
CH3CH4 Sequence Control integrated
CH7CH8 2-types Sequence Control
Output Current Limiter (CH2,CH9),
Short Circuit Protection Function (CH3 to CH8)
Error Amp Phase Compensation integrated
(CH1,CH3,CH4,CH6 to CH8)
Operating Frequency 1[MHz](CH1,CH3 to CH5
500[KHz](CH6 to CH8)
Key Specifications
VBAT Supply Voltage:
2.5V to 5.5V
Oscillating Frequency 1:
1.0 MHz(Typ)
Oscillating Frequency 2:
500kHz(Typ)
ON-Resistance
CH2 PMOS
1.2Ω(Typ)
CH3 PMOS
0.45Ω(Typ)
CH3 NMOS
0.30Ω(Typ)
CH4 PMOS DOWN,UP side
0.45Ω(Typ)
CH4 NMOS DOWN,UP side
0.30Ω(Typ)
CH6 Load Switch
0.40Ω(Typ)
CH7 PMOS
4.00Ω(Typ)
CH7 NMOS
0.70Ω(Typ)
CH9 PMOS
0.90Ω(Typ)
Operating Temperature Range:
-20°C to +85°C
Package
VCSP85H4
W (Typ) x D (Typ) x H (Max)
4.26mm x 4.26mm x 1.00mm
Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays.
1/26
TSZ02201-0313AA400620-1-2
26.Apr.2016 Rev.001




BD9634GU pdf, 반도체, 판매, 대치품
BD9634GU
Absolute Maximum RatingsTa=25°C
Parameter
Symbol
Rating
Unit
Supply Voltage
Permissible Voltage
VOUT7 Permissible Voltage
SW7 Permissible Voltage
VVBAT
VVBAT3,4,6,8
VVOUT7
VSW7
-0.3 to +7
-0.3 to +15.5
-0.3 to +15.5
-0.3 to +16
(Note 1)
V
V
V
VOUT2 Permissible Current Output
SW3 Permissible Current Output
VOUT4 Permissible Current Output
LSO6 Permissible Current Output
VOUT7 Permissible Current Output
VOUT9 Permissible Current Output
Power Dissipation
IVOUT2
ISW3
IVOUT4
ILSO6
IVOUT7
IVOUT9
Pd
0.3
0.5
1.0
0.5
0.5
0.3
1.4
(Note 2)
A
A
A
A
A
A
W
Operating Temperature Range
Topt
-20 to +85
°C
Storage Temperature Range Tstg -55 to +150
°C
Junction Temperature
Tjmax
+150
°C
(Note 1) 15.5[V] to 16[V] Pulse 40[ns] and Duty Cycle2[%]
(Note 2) Implemented on Glass epoxy board (ROHM standard board :50 x 58 x 1.75[mm3] 8 layers
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over
the absolute maximum ratings.
Recommended Operating Conditions
Parameter
Limit
Symbol
Unit Conditions
MIN TYP MAX
VBAT Supply Voltage
VVBAT
2.5 3.7 5.5 V
VVBAT3 2.5 3.7 5.5 V
VVBAT4 2.5 3.7 5.5 V
VVBAT6 2.5 3.7 5.5 V
VVBAT8 2.5 3.7 5.5 V
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/26
TSZ02201-0313AA400620-1-2
26.Apr.2016 Rev.001

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BD9634GU 전자부품, 판매, 대치품
BD9634GU
Function Description
Features Summary
CH Function
CH1 Boost converter
CH2 LDO
CH3 Buck converter
CH4 Buck-Boost converter
CH5 Boost/Buck converter
CH6 Boost
CH7 Boost
CH8 Reverse
CH9 LDO
Output voltage (TYP)
3.7[V] to 5.5[V]
I/O voltage differential
over 0.2[V]
1.05[V] to 1.8[V]
3.25[V]/3.3[V]
5.0[V]/1.8[V]
6[V] to 16[V]
12[V] to 14.5[V]
-7.5[V] to -6[V]
I/O voltage differential
over 0.2[V]
Power output
External
Embedded
Embedded
Embedded
External
External
Embedded
External
Embedded
Setting res.
USE
External Startup ch,Motor
External
Analog
External
Embedded
External
External
External
External
Core
Digital
CMOS,Memory
LED
CCD
CCD
Embedded
Analog
CONTROL
Stand-by function related terminals
Following table shows start-up condition of each block.
XSHDN
1
PWM
/PFM
XSHDN
2
XSHDN
34
XSHDN
5
XSHDN
6
XSHDN
78
XSHDN
9
CH1
Internal
supply
RAMP
SAW
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
L
-
-
-
-
-
-
-
OFF OFF
OFF
OFF OFF OFF OFF OFF OFF
L- - - - -L
OFF
OFF
OFF OFF OFF OFF OFF OFF
L- - - - -H
OFF OFF OFF OFF OFF
ON
LLLLLL
OFF OFF OFF OFF OFF OFF
HL L L L L
ON OFF OFF OFF OFF OFF
H L H L L L L ON
OFF ON OFF OFF OFF OFF
ON ON
HL LHL L L
OFF OFF ON OFF OFF OFF
LL LHLL
OFF OFF OFF ON OFF OFF
LL LLHL
OFF OFF OFF OFF ON OFF
LL LLLH
(Note) PWM/PFM logic refer to the table below.
(Note) -symbol mean without conditions.
OFF OFF OFF OFF OFF
ON
Other setting terminals
Terminal
PWM/PFM HPWM operation
VOUT4
CTL4
H
L
3.30[V]
3.25[V]
SEL5
CONT78
HBuck setting
HCH7,CH8
startup synchronous
Function
LPFM operation
NoteLatch logic at CH4 startup
LBoost setting
NoteH input voltage is VOUT1 output voltage
LCH7→CH8 startup NoteLogic after some [us] from rising edge of XSHDN78
XSHDN2 to XSHDN9, PWM/PFM, CTL4 terminal equivalent circuit
VBAT
VBAT
30[kΩ]
400[kΩ]
(100[kΩ])
AGND
100[kΩ] is only for CTL4 terminal.
XSHDN1,SEL5,CONT7 terminal is not
Pulled-down, so VBAT input and GND
input is needed.
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/26
TSZ02201-0313AA400620-1-2
26.Apr.2016 Rev.001

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BD9634GU

Switching Regulator ICs

ROHM Semiconductor
ROHM Semiconductor

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