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BA5961FV 반도체 회로 부품 판매점

Power driver for CD player



ROHM Semiconductor 로고
ROHM Semiconductor
BA5961FV 데이터시트, 핀배열, 회로
Optical disc ICs
Power driver for CD player
BA5961FV
BA5961FV
BA5961FV is 1ch BTL driver IC for tilt coil driving used for DVD-ROM / DVD-RAM / CD-ROM / CD-RW.
2 general-purpose operational amplifiers are integrated into the small package, this IC has achieved a reduction of its size,
and external components.
This IC can be used not only for tilt coil, but also for wide variety of applications.
!Applications
DVD-ROM, DVD-RAM, CD-ROM, CD-RW
!Features
1) 1ch BTL driver.
2) SSOP-B20W power package enables the smallest configuration.
3) Separating VCC into Pre and Power can be make better power efficiency.
4) Built in level shift circuit.
5) Built in thermal-shut-down circuit.
6) Built in three operational amplifiers .(Two general purpose operational amplifiers and one pre operational amplifier.)
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Preblock power supply voltage
PreVCC
Powerblock power supply voltage
PowVCC
Power dissipation
Pd
Operating temperature
Topr
Storage temperature
Tstg
PCB (70mm×70mm×1.6mm, glass epoxy) mounting.
Reduce power by 9.44mW for each degree above 25°C.
Limits
18
18
1.18
35~+85
55~+150
Unit
V
V
W
°C
°C
!Recommended operating conditions (Set the power supply voltage taking allowable dissipation into considering)
Parameter
Preblock power supply voltage
Powerblock power supply voltage
Symbol
PreVCC
PowVCC
Min.
4.3
4.3
Typ.
5
5
Max.
13.5
PreVCC
Unit
V
1/7


BA5961FV 데이터시트, 핀배열, 회로
Optical disc ICs
!Block diagram
20 19 18 17 16 15 14 13 12 11
BA5961FV
TSD
IN
LEVEL SHIFT
STAND-BY
Pre Pow
GND GND 1
123
Pow
VCC
456
Pow
GND 2
Pre
VCC
7 8 9 10
TSD : Thermal shut down
!Pin descriptions
Pin No. Pin name
1 PreGND
2 PowGND1
3 OUT+
4 OUT+
5 PowVCC
6 OUT
7 OUT
8 PowGND2
9 PreVCC
10 STBY
Functions
Pre ground
Power ground (For positive output)
Driver positive output
Driver positive output
Powerblock power supply
Driver negative output
Driver negative output
Power ground (For negative output)
Pre block power supply
Stand-by control input
Pin No.
11
12
13
14
15
16
17
18
19
20
Pin name
OP3+
OP3
OP3OUT
OP2+
OP2
OP2OUT
OP1+
OP1
IN
BIAS
Functions
OP-AMP3 positive input
OP-AMP3 negative input
OP-AMP3 output
OP-AMP2 positive input
OP-AMP2 negative input
OP-AMP2 output
OP-AMP1 positive input
OP-AMP1 negative input
OP-AMP1 output and driver input
Bias input
2/7




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BA5961FV driver

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BA5961FV

Power driver for CD player - ROHM Semiconductor