BH6578FVM
Optical disc ICs
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1- channel loading driver IC
BH6578FVM


BH6578FVM is an 1-channel loading driver IC with setting pin that can change output voltage.
Adoption of small MSOP8 package enables to reduce space in the sets.


!Applications
CD/DVD slim


!Features
1) MOS output wide dynamic range loading driver (RON=1Ω (TOP+Bottom) )
2) With output voltage setting pin
3) Built-in thermal shutdown circuit


!Absolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
VCC
Pd
V
mW
°C
°C
Supply voltage
∗ Derating:4.4mW/°C for operation above Ta=25°C
Power dissipation
Storage temperature range
Operating temperature range
7
550
∗
−35~+85
−55~+150
Topr
Tstg



!Recommended operating conditions
Parameter Symbol Min. Typ. Max. Unit
Supply voltage VCC 4.5 5.0 5.5 V



!Electrical characteristics (unless otherwise noted, Ta=25°C, VCC=5V)
Circuit current at no signal
Output offset voltage
Voltage gain
Positive/negative voltage differential gain
Input pin inflow current
LDCONT pin outflow current
ON resistance
CONT=1V
IO=500mA, Top+Bottom
Brake mode
FIN=RIN=5V
CONT=2V
Parameter
ICC
VOFSL
∆GVLD
RON
GVLD
INL
ILDC
Symbol
−
−15
−
−
4.5
−2.0
−
Min.
0
−
0.4
0
1.0
6.0
86
Typ.
120
0.8
7.5
+15
1.8
2.0
300
Max.
mA
mV
Ω
dB
dB
µA
nA
Unit Conditions