BD9759MWV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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Structure
Silicon Monolithic Integrated Circuit
Product Series 7-Channel Switching Regulator Controller for Digital Camera
Type
ＢＤ９７５９ＭＷＶ
Package
Fig.1
Pin Assignment Fig.2
Block Diagram Fig.3
Application Fig.4
Function
● 3.3V minimum input operating
● Contains cross converter(1ch),step-down converter(3ch),inverting(1ch),step-up converter(1ch),step-up converter for LED(1ch),
● Contains LDO(1ch),constant current driver for LED(1ch)
● Contains load switch for step-up converter
● Contains output interception circuit when over load
● It is possible separately control except CH1,CH2,CH3
● Thermally enhanced UQFN056V7070 package(7mm x 7mm, 0.4mm pitch)
○ Absolute maximum ratings（Ta＝25℃）
Parameter
Power Supply Voltage
Power Input Voltage
Symbol
VCC,PVCC
PVCCH,PVCCL
HX2,3,4
LX11
VOUT1,LX12
LX6,7
Limits
－0.3～12
-0.3～15
－0.3～12
－0.3～12
－0.3～7
－0.3～20
Units
V
V
V
V
V
V
SWIN6,7
－0.3～20
V
REGIN,LEDIN
－0.3～12
V
Power Dissipation
Pd
420(*1)
mW
930(*2)
mW
Operating Temperature
Topr
－25～+85
℃
Junction Temperature
Tstg
－55～+150
℃
(*1)Without external heat sink, the power dissipation reduces by 4.2mW/℃ over 25℃.
(*2) Reduced by 9.3mW/℃ over 25℃, when mounted on a PCB (70.0mm×70.0mm×1.6mm).
Recommended operating conditions
○ Recommended operating conditions
Parameter
Symbol
Limits
MIN
TYP
MAX
Units
VREF Pin Connecting Capacitor
CVREF
0.47 1.0 4.7
μF
VREGA Pin Connecting Capacitor
CVREGA
0.47
1.0
4.7
μF
SCP Pin Connecting Capacitor
CSCP
0.001 －
2.2
μF
REGOUT Pin Connecting Capacitor
CREGOUT
0.47
1.0
10
μF
LEDOUT Pin Connecting Capacitor
CLEDOUT
0.47
1.0
10
μF
【Oscillator】
Oscillator Frequency
Fosc
0.6
1.2
1.5 MHz
OSC Timing Resistor
RT
47
68
120
kΩ
【Driver】
LX11 Pin Input Voltage VLX11
－
－
10
V
CH1 Output set up area VVOUT1
3.9
－
5.5
V
HX2,3,4 Pin Input Voltage VHX2,3,4
－
－
10
V
CH1 Output Current
Ioutch1
－
－
1
A
CH2 Output Current
Ioutch2
－
－
600
mA
CH3,4 Output Current Ioutch3,4 －
－
500
mA
CH6 Output Current
Ioutch6
－
－
100
mA
CH7 Output Current
Ioutch7
－
－
50
mA
【SW Circuit】
SWOUT6 Pin Source Current
ISWOUT6
－
－
100
mA
SWOUT7 Pin Source Current
ISWOUT7
－
－
50
mA
◎ It is strongly recommended that a capacitor be connect to VREF,VREGA pin to prevent oscillation.
※）The IC may not operate correctly by an unsettled state of the internal logic when voltage
is applied on VCC rapidly while STB pin is ON. Make sure STB pin is OFF in this case.
○ Recommended operating conditions
Parameter
Symbol
Limit
Unit
VCC,PVCC
3.3 ～ 10
V
Power Supply Voltage
PVCCL
3.75 ～ 14
V
PVCCH
VCC+3.75 ～ 14
V
Status of this document
The Japanese version of this document is the official specification. Please use the translation version of this document as a reference to expedite understanding of the official version.
If these are any uncertainty in translation version of this document, official version takes priority.
REV. A