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BD7902CFS датащи(PDF) 11 Page - Rohm

номер детали BD7902CFS
подробное описание детали  6CH Power Driver for CD-ROM, DVD-ROM
PDF  18 Pages
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

BD7902CFS датащи(HTML) 11 Page - Rohm

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BD7902CFS
Optical disc ICs
11/17
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Table of measure circuit switches position 2
(VCC=SPVM=SLVM=12V, DVCC=AVM=5V, VC=1.65V, RL (act) =8
Ω, RL (SL) =8Ω+47µH, RL (SP) =2Ω+47µH,
SLRNF=0.5
Ω, SPRNF=0.33Ω, H−=2.5V, HU+=2.6V, HV+=HW+=2.4V)
Spindle driver block
〈 Torque command 〉
〈 Hall bias 〉
〈 Hall amplifier 〉
VHB
gmSP
RONUSP
RONLSP
ILIMSP
fosc
1.65V
1.85
∗4
3.3V
3.3V
3.3V
H
H
H
H
H
H
H
L
H
H
H
H
2
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
VDZSP
∗3
H
L
2111
1
1
1
2
2
111
IHIB
1.65V
H
H
1111
Designation
INPUT
VIN
SWITCH
CTL
12
RL SP SL
IL
Measure
point
Conditions
∗2 Check VRNF with no output at VIN=VC±20mV
Check VRNF with output at VIN
=VC±90mV
See 15 of 20
IHB
=10mA
Current flowing in each terminal at H
−=2.5V,
HW
+=2.7V (2.3V), HV=2.5V
ILSP
=500mA
ILSP
=−500mA
RON
=
0.5A
12V
− VOSP
RON
=
0.5A
VOSP
Pin 7
〈 FG 〉
VFGL
1.65V
H
H
1111
HW
+=2.6V
VFGH
1.65V
H
H
1111
HW
+=2.4V
VFG
VFG
IU
+ (−),
IV
+ (−),
IW
+ (−)
VSPRNF
VSPRNF
VSPRNF
OUTU, V, W
OUTU, V, W
VOSPU
HU
+
HV
+
HW
+
U
V
W
Condition
Measure point
2.4V
2.6V
2.6V
Source
Hi-Z
Sink
VOSPU
IOSPU
=500mA
2.6V
2.4V
2.6V
Sink
Source
Hi-Z
VOSPV
IOSPV
=500mA
2.6V
2.6V
2.4V
Hi-Z
Sink
Source
VOSPW
IOSPW
=500mA
2.6V
2.4V
2.4V
Sink
Hi-Z
Source
VOSPU
IOSPU
=−500mA
2.4V
2.6V
2.4V
Source
Sink
Hi-Z
VOSPV
IOSPV
=−500mA
2.4V
2.4V
2.6V
Hi-Z
Source
Sink
VOSPW
IOSPW
=−500mA
∗5 Condition of input



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