Fairchild Semiconductor FAN8006D3 Datasheet
FAN8006D3
4-CH Motor Driver
www.fairchildsemi.com
Features
• 4-Channel BTL (Balanced transformer-less) driver
• Built-in thermal shutdown circuit
• Built-in power save circuit
• Separated power suppl y
• Operating supply voltage: 4.5V ~ 13.2V
• Corresponds to 3.3V or 5V DSP
Description
The FAN8006D3 is a monolithic integrated circuit, suitable
for 4-CH motor driver which drives focus actuator, tracking
actuator, sled motor and loading motor of a CD-media system.
28-SSOPH-375SG2
Target Application
• Compact disk player
• Digital video disk player
• Compact disk ROM
Ordering Information
Device Package Ope. Temp.
FAN8006D3 28-SSOPH-375SG2 −35°C ~ +85°C
FAN8006D3TF
28-SSOPH-375SG2 −35°C ~ +85°C
Rev . 1.0.0
©2002 Fairchild Semiconductor Corporation
FAN8006D3
FAN8006D3 Pin Assignments
−)
PreVcc
OPIN4(+)
OPIN4(
262728
123
BIAS
−)
OPIN1(
OPIN1(+)
−)
OPOUT4
OPIN3(+)
OPIN3(
232425
OPOUT3
FIN(GND)
STBY1
GND
−)
VO3(
PowVcc3 CH3/4
19202122
FAN8006D3
567 8910111213
4
−)
VO2(
PowVcc CH2
IN2
OPOUT1
MUTE
STBY2
FIN(GND)
GND
PowVcc CH1
−)
VO3(+)
VO4(
VO4(+)
15161718
14
−)
VO2(+)
VO1(+)
VO1(
2
Pin Defi ni ti o n s
Pin Number Pin Name I/O Pin Function Description
1 BIAS I Bias voltage input 2 OPIN1(+) I Op-amp CH1 input (+) 3OPIN1(−) I Op-amp CH1 input (−) 4 OPOUT1 O Op-amp CH1 output 5 IN2 I CH2 input 6 MUTE I CH1 mute control when STBY1 is logic high 7 STBY2 I CH2 standby control 8 GND - Signal ground
9 PowVcc1 CH1 - BTL CH1 power supply 10 PowVcc2 CH2 - BTL CH2 power supply 11 VO2( 12 VO2( 13 VO1( 14 VO1( 15 VO4(+) O Drive4 output ( 16 VO4(−) O Drive4 output ( 17 VO3(+) O Drive3 output ( 18 VO3(−) O Drive3 output ( 19 PowVcc3 CH3/4 - BTL CH3/4 power supply 20 STBY1 I Input for CH1/3/4 standby control 21 GND - Ground 22 OPOUT3 O Op-amp CH3 output 23 OPIN3(−) I Op-amp CH3 input (−) 24 OPIN3(+) I Op-amp CH3 input (+) 25 O POUT4 O Op-amp CH4 output 26 OPIN4(−) I Op-amp CH4 input (−) 27 OPIN4(+) I Op-amp CH4 input (+) 28 PreVcc - Vcc for pre block
−)
+)
−)
+)
O Drive2 output (−)
O Drive2 output (+)
O Drive1 output (−)
O Drive1 output (+)
+
−
+
−
)
)
)
)
FAN8006D3
3
FAN8006D3
Internal Bl oc k Diag r am
PreVcc
OPIN4(+)
OPIN4(−)
OPOUT4
FIN
OPIN3(−)
OPIN3(+)
(GND)
OPOUT3
STBY1
GND
PowVcc3 CH3/4
VO3(−)
VO3(+)
VO4(−)
VO4(+)
1516171819202122232425262728
−
+
20k
10k
10k
−
+
+
-
1234567 891011121314
BIAS
OPIN1(+)
−
+
+
−
20k
OPIN1(−)
OPOUT1
+
IN2
−
TSD
20k
10k
10k
MUTE
−
+
+
−
20k
(GND)
FIN
STBY2
GND
10k
10k
LEVEL
SHIFT
PowVcc CH2
−
10k
PowVcc CH1
−
-
−
10k
+
+
+
−
PowVcc CH2
10k
−
10k
PowVcc
LEVEL
SHIFT
+
10k
−
+
10k
+
+−
+
CH3/4
VO2(−)
10k
-
−
10k
LEVEL
SHIFT
PowVcc CH1
−
10k
VO2(+)
10k
+
−
VO1(−)
−
10k
10k
+
+
+
PowVcc
CH3/4
LEVEL
SHIFT
10k
−
+
VO1(+)
+
−
−+
10k
+
4
Equivalent Circuits (Continued)
POWER OUTPUT CHANNEL OPAMP INPUT
FAN8006D3
28
9 10
19
11 12
13 14
15 16
17 18
28
2
25Ω
24
27
2KΩ
1KΩ
CHANNEL OP-AMP OUTPUT BIAS INPUT
28
20KΩ
10KΩ
27p
25Ω
20KΩ
4 22 25
20KΩ
28
25Ω
1
2KΩ
1KΩ
28
28
3
25Ω
23
26
CHANNEL 2 INPUT ST ANDBY 1/2 INPUT
28
28
25Ω
5
10KΩ
1KΩ
20KΩ
20KΩ
20KΩ
1KΩ
1KΩ
7
1KΩ
28
25Ω
40KΩ
100KΩ
20KΩ
40KΩ
28
20KΩ
40KΩ
28
25Ω
20KΩ
40KΩ
20
100KΩ
20KΩ
80KΩ
20KΩ
5
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