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BD19915MUV 반도체 회로 부품 판매점

Silicon monolithic IC



ROHM Semiconductor 로고
ROHM Semiconductor
BD19915MUV 데이터시트, 핀배열, 회로
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
This product is no antiradiation design
ICSWO
-
Rating
-0.3~6.5
-0.3~6.5
-0.3~6.5
-0.3~15.0
-0.3~15.0
-0.3~VCC+0.3
1.0
1.0
0.8
0.8
0.2
10
4.56
-30~+70
-55~+150
Unit
V
V
V
V
V
V
A
A
A
A
A
mA
W
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
.
1/4
REV. A
Free Datasheet http://www.datasheet4u.com/


BD19915MUV 데이터시트, 핀배열, 회로
○Electrical characteristics (PVCC1=PVCC2=AVCC=5.0V,Ta=25℃ unless otherwise specified)
Parameter
[TOTAL]
Symbol
MIN. TYP. MAX. UNIT
Current consumption
ICC - 3.6 7.2 mA
Shutdown current
ISHUT
- 1.2
[Input IO Block : ENUP, XENDWN, SELDCO1, SELSQ, SELRST, CSWON]
High level input voltage
VIOH 2.0 -
Low level input voltage
VIOL - -
input current H
IIO1 -5.0 -
input current L
IIO2 -5.0 -
[Step-down DC-to-DC Converter Block]
VDCO1 voltage
VDCO1A
VDCO1B
1.455
0.970
1.500
1.000
VDCO2 voltage
VDCO2
3.201 3.300
Oscillation frequency
fOSCDWN
1.4 2.0
High-side-switch resistance
RONH1,2
- 0.40
Low-side-switch resistance
RONL1,2
- 0.30
Soft start time
tSOFTDWN
0.6 1.0
[Step-up DC-to-DC Converter Block]
FB(VREF) voltage
VFB3
0.582 0.600
Oscillation frequency
fOSCUP
0.7 1.0
High-side-switch resistance
RONH3
- 0.55
Low-side-switch resistance
RONL3
- 0.45
Soft-start beginning time
tSOFTUP
3.5 6.0
AMPOUT3 maximum voltage
VAMPOH
2.2 2.5
AMPOUT3 minimum voltage
VAMPOL
- 0.03
Max Duty cycle
DMAX
72 80
[Reset Block]
VRSTON1A
3.600 3.700
VRSTON1B
4.087 4.200
Reset ON voltage
VRSTON2A
1.140 1.200
VRSTON2B
0.665 0.700
VRSTON3
2.565 2.700
VRSTHYS1A 70 100
VRSTHYS1B 70 100
Reset hysteresis voltage
VRSTHYS2A 70 100
VRSTHYS2B 70 100
VRSTHYS3
70 100
XRESET output sink voltage
VRSINK
--
XRESET leak current
IRLK -5.0 -
Reset delay time
tRST 30 50
[Current Switch Block]
Current SW ON resistance
RCSWO
- 0.5
3.0
-
0.8
5.0
5.0
1.545
1.030
3.399
2.6
0.60
0.50
1.8
0.618
1.3
0.90
0.80
8.5
2.8
0.20
88
3.800
4.313
1.260
0.735
2.835
130
130
130
130
130
0.3
5.0
70
1.0
mA
V
V
μA
μA
V
V
V
MHz
Ω
Ω
ms
V
MHz
Ω
Ω
ms
V
V
%
V
V
V
V
V
mV
mV
mV
mV
mV
V
μA
ms
Ω
Condition
VDCO1=VDCO2=5V, FB3=0V,
CSWON=ENUP=5V, XENDWN=0V
ENUP=0V, XENDWN=5V
Input=5V
Input=0V
SELDCO1=0V
SELDCO1=5V
No load
VDCO3=10V
VDCO3=10V
FB3=0V
FB3=0V
FB3=2.5V
FB3=0V
AVCC is observed, SELRST=0V
AVCC is observed, SELRST=5V
VDCO1 is observed, SELDCO1=0V
VDCO1 is observed, SELDCO1=5V
VDCO2 is observed
AVCC is observed, SELRST=0V
AVCC is observed, SELRST=5V
VDCO1 is observed, SELDCO1=0V
VDCO1 is observed, SELDCO1=5V
VDCO2 is observed
ISINK=5.0mA
XRESET=5.0V
CSWON=5V
2/4
REV. A
Free Datasheet http://www.datasheet4u.com/




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BD19915MUV

Silicon monolithic IC - ROHM Semiconductor