參數(shù)資料
型號: BD7902CFS
廠商: Rohm CO.,LTD.
英文描述: 6CH Power Driver for CD-ROM, DVD-ROM
中文描述: 6路功率驅(qū)動器為CD - ROM,DVD - ROM光碟
文件頁數(shù): 10/18頁
文件大?。?/td> 200K
代理商: BD7902CFS
BD7902CFS
Optical disc ICs
!
Table of measure circuit switches position 1
(V
CC
=SPVM=SLVM=12V, DV
CC
=AVM=5V, VC=1.65V, RL (act) =8
, RL (SL) =8
+
47
μ
H, RL (SP) =2
+
47
μ
H,
SLRNF=0.5
, SPRNF=0.33
, H
=2.5V, HU
+
=2.6V, HV
+
=HW
+
=2.4V)
10/17
Circuit current
Sled driver block
IQ1
IQ2
IQ3
IST1
IST2
gmSL
RONUSL
RONLSL
ILIMSL
fosc
1.45
*2
3.3V
(0V)
3.3V
(0V)
0V
(3.3V)
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
VDZSL
*1
H
H
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Designation
INPUT
VIN
SWITCH
RL SP
CTL
1
2
SL
IL
Measure
point
Conditions
1 Check VSLRNF with no output at VIN
=
VC
±
15mV
Check VSLRNF with output at VIN
=
VC
±
65mV
See bellow
ILSL
=
500mA
ILSL
=
500mA
RON
=
0.5A
VOSL
+
(
)
RON
=
0.5A
12V
VOSL
+
(
)
IQVC
IQVC
IQDV
IQVC
IQDV
VSLRNF
VSLRNF
VSLRNF
OUT
+
(
)
OUT
+
(
)
VOSL
+
VIN2
VIN3
VRNF3/RNF
VRNF2/RNF
VRNF1/RNF
lop
VRNF4/RNF
VIN4
VIN1
VIN
Dead zone
SPRNF
=
0.33
SLRNF
=
0.5
Iosp
Iosl
Iosp or Iosl
Iop
Time
Iop...the peak current of Iosp or Iosl
2 Sled driver
VIN1
=
240mV, VIN2
=
140mV
VIN3
=
140mV, VIN
=
240mV
gm (
+
)
=
(VSLRNF1
140mV
VSLRNF3
VSLRNF2
gm (
)
=
(VS240mV
140mV
4 Spindle driver
VIN1
=
150mV, VIN2
=
100mV
VIN3
=
100mV, VIN
=
150mV
gm (
+
)
=
(VSPRNF1
100mV
VSPRNF3
VSPRNF2
gm (
)
=
(VS150mV
100mV
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