BD19915MUV Datasheet, PDF (1/5 Pages) Rohm – Silicon monolithic IC

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Structure
Silicon monolithic IC
Product name
Model name
System power LSI for Blu-ray/DVD
BD19915MUV
Function
(1) Built-in 3.3V output synchronized rectifier type Step-down DC-to-DC converter
特長
(2) Built-in 1.0V/1.5V 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
PVCC1 terminal voltage
PVCC1
PVCC2 terminal voltage
PVCC2
AVCC terminal voltage
AVCC
DCSW3 terminal voltage
VDCSW3
VDCO3 terminal voltage
VVDCO3
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) Absolute maximum ratings of this parameter include ripple current
(*3) While mounted on FR4 Glass-epo. 4 layer Board (5505mm²)
○Operation condition(Ta=25℃)
Parameter
Symbol
MIN.
PVCC1 terminal voltage
PVCC1
4.5
PVCC2 terminal voltage
PVCC2
4.5
AVCC terminal voltage
AVCC
4.5
VDCO1 output current
IDCO1
-
VDCO2 output current
IDCO2
-
VDCO3 output current
IDCO3
-
VDCO3 output voltage setting range
VDCO3
6.0
CSWO output current
ICSWO
-
This product is no antiradiation design
Rating
Unit
-0.3～6.5
V
-0.3～6.5
V
-0.3～6.5
V
-0.3～15.0
V
-0.3～15.0
V
-0.3～VCC+0.3
V
1.0
A
1.0
A
0.8
A
0.8
A
0.2
A
10
mA
4.56
W
-30～+70
℃
-55～+150
℃
TYP.
5.0
5.0
5.0
-
-
-
-
-
MAX.
5.5
5.5
5.5
0.8
0.8
0.15
11.0
0.1
Unit.
V
V
V
A
A
A
V
A
.
REV. A