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BD19914MUV fiches techniques PDF

ROHM Semiconductor - Silicon monolithic IC

Numéro de référence BD19914MUV
Description Silicon monolithic IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD19914MUV fiche technique
Structure
Silicon monolithic IC
Product name
Model name
System power LSI for Blu-ray/DVD
BD19914MUV
Function
(1) Built-in 3.3V output synchronized rectifier type Step-Down DC-to-DC converter
特長
(2) Built-in 1.0V/1.2V output selectable rectifier type Step-Down DC-to-DC converter
(3) Built-in synchronized rectifier type Step-Up DC-to-DC converter
特長
(4) Built-in Over-current and short-circuit protection function circuit
特長
(5) Built-in Error-Amplifier phase compensation (Step-Down only)
特長
(6) Operational frequency Step-down : 2.0MHz(typ.)、Step-Up : 1.0MHz(typ.)
特長
(7) Built-in Reset function circuit and Current Switch
特長
(8) Built-in Shut down function circuit
○ABSOLUTE MAXIMUM RATINGS (Ta=25℃)
Parameter
Symbol
Rating
Unit
PVCC1 terminal voltage
PVCC1
PVCC2 terminal voltage
PVCC2
AVCC terminal voltage
AVCC
Input terminal voltage (※1)
VIN
DCSW1 terminal output current (※2)
IDCSW1
DCSW2 terminal output current (※2)
IDCSW2
DCSW3 terminal output current (※2)
IDCSW3
VDCO3 terminal output current (※2)
IVDCO3
CSWO terminal output current
ICSWO
XRESET terminal input current
IXRESET
Power dissipation (※3)
Pd
Ambient temperature of operation
Topr
Ambient temperature of preservation
Tstg
(※1) SELDCO1、SELSQ、CSWON、ENUP、XENDWN、SELRST
(※2) Containing the ripple current.
(※3) While mounted on FR4 Glass-epo. 4 layer Board (5505mm2)
○Operation condition(Ta=25℃)
Parameter
Symbol
PVCC1 terminal voltage
PVCC1
PVCC2 terminal voltage
PVCC2
AVCC terminal voltage
AVCC
VDCO1 output current
IDCO1
VDCO2 output current
IDCO2
VDCO3 output current
IDCO3
VDCO3 output voltage setting range
VDCO3
CSWO output current
ICSWO
-0.3~6.5
-0.3~6.5
-0.3~6.5
-0.3~VCC+0.3
1.0
1.0
0.8
0.8
0.2
10
4.56
-30~+70
-55~+150
V
V
V
V
A
A
A
A
A
mA
W
MIN. TYP. MAX.
4.5 5.0 5.5
4.5 5.0 5.5
4.5 5.0 5.5
- - 0.8
- - 0.8
- - 0.6
7.0 - 11.0
- - 0.1
Unit
V
V
V
A
A
A
V
A
This product is no antiradiation design
1/4
REV. A
Free Datasheet http://www.datasheet4u.com/

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