FAIRCHILD FAN8434X

www.fairchildsemi.com
FAN8434
Camcorder 3 in 1 Motor Driver
Features
Description
Capstan motor drive block
• 3-phase, linear BLDC motor driver with 3 hall sensors.
• Built-in FG amplifier.
• Forward and reverse rotation function.
• Built-in amplitude limiter.
The FAN8434 is a camcorder one-chip motor driver IC. It is
composed of capstan motor driver , drum motor driver and
loading motor driver.
Drum motor drive block
• 3-phase soft commutating sensor less drive method.
• Built-in FG amplifier.
• Built-in PG amplifier.
64-LQFP-1010
Loading motor drive block
• Single phase H-bridge driving method.
• 4-mode selection function(forward, reverse,
brake,standby).
Common block
• Built-in TSD(thermal shut down)
• Built-in 4-normal op-amp.
Typical Applications
Ordering Information
• Camcorder
Device
Package
FAN8434
note2
FAN8434_NL
note1
FAN8434X
Operating
Temp.
64-LQFP-1010 −25°C ~ +75°C
64-LQFP-1010 −25°C ~ +75°C
64-LQFP-1010 −25°C ~ +75°C
FAN8434X_NLnote2 64-LQFP-1010 −25°C ~ +75°C
Notes:
1. X: Tape & Reel
2. NL: Lead-free type
Rev. 1.0.1
©2004Fairchild Semiconductor Corporation
FAN8434
2
HW-
C_VM
VH+
VH-
VCC2
C_FR
ANGLE
C_FGIN+
C_FGIN-
C_FGOUT
D_FGOUT
D_STBY
D_FGIN1
47
HW+
48
HV-
HV+
Pin Assignments
46
45
44
43
42
41
40
39
38
37
36
35
34
33
HU-
49
32
D_FGIN
HU+
50
31
VREF
C_WOUT
51
30
D_PGIN
C_RS
52
29
D_PGC
C_VOUT
53
28
D_PGOUT
C_STBY
54
27
GND
C_UOUT
55
26
D_WIN
D_WOUT
56
25
D_VIN
D_RS
57
24
D_UIN
D_VOUT
58
23
D_COM
D_UOUT
59
22
VCC1
D_VM
60
21
FC2
L_OUT2
61
20
FILTER
L_RS
62
19
FC1
L_OUT1
63
18
OSC
L_ILIM
64
17
D_FR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OPIN3-
OPOUT3
FWD
REV
L_VM
OPIN1-
OPIN1+
OPOUT1
OPOUT2
OPIN2+
OPIN2-
SELCSLP
CSC1
CSC2
OPIN4-
OPOUT4
FAN8434
FAN8434
Pin Definitions
Pine Number
Pin Name
I/O
Pin Function Description
1
OPIN3-
I
OP amp. 3 input -
2
OPOUT3
O
OP amp. 3 output
3
FWD
I
Loading motor forward input
4
REV
I
Loading motor reverse input
5
L_VM
-
Loading motor power supply voltage
6
OPIN1-
I
OP amp. 1 input -
7
OPIN1+
I
OP amp. 1 input +
8
OPOUT1
O
OP amp. 1 output
9
OPOUT2
O
OP amp. 2 output
10
OPIN2+
I
OP amp. 2 input +
11
OPIN2-
I
OP amp. 2 input -
12
SELCSLP
I
Selection pin for oscillator ’s slant
13
CSC1
-
Drum motor soft commutating oscillation 1
14
CSC2
-
Drum motor soft commutating oscillation 2
15
OPIN4-
I
OP amp. 4 input -
16
OPOUT4
O
OP amp. 4 output
17
D_FR
I
Drum motor forward / reverse selection pin
18
OSC
-
Drum motor start up oscillation
19
FC1
-
Frequency characteristic
20
FILTER
-
Drum motor torque ripple compensation
21
FC2
-
Output midpoint control
22
VCC1
-
Power supply voltage 1
23
D_MCOM
I
Drum motor Y-connection coil common input
24
D_UIN
I
Drum motor U-phase detect comparator input
25
D_VIN
I
Drum motor V-phase detect comparator input
26
D_WIN
I
Drum motor W-phase detect comparator input
27
GND
-
Signal ground
28
D_PGOUT
O
Drum motor PG comparator output
29
D_PGC
I
Drum motor PG amp. output
30
D_PGIN
I
Drum motor PG input
31
VREF
-
Reference voltage
32
D_FGIN
I
Drum motor FG input
3
FAN8434
Pin Definitions (Continued)
4
Pine Number
Pin Name
I/O
Pin Function Description
33
D_FGIN1
I
Drum motor FG input 1
34
D_STBY
I
Drum motor standby
35
D_FGOUT
O
Drum motor FG comparator output
36
C_FGOUT
O
Capstan motor FG comparator output
37
C_FGIN-
I
Capstan motor FG input-
38
C_FGIN+
I
Capstan motor FG input+
39
ANGLE
-
Capstan motor output slant selection
40
C_FR
I
Capstan motor forward / reverse selection
41
VCC2
-
Power supply voltage 2
42
VH-
-
Hall bias supply voltage-
43
VH+
-
Hall bias supply voltage+
44
C_VM
-
Capstan motor power supply voltage
45
HW-
I
Capstan motor hall input W-
46
HW+
I
Capstan motor hall input W+
47
HV-
I
Capstan motor hall input V-
48
HV+
I
Capstan motor hall input V+
49
HU-
I
Capstan motor hall input U-
50
HU+
I
Capstan motor hall input U+
51
C_WOUT
O
Capstan motor output W
52
C_RS
-
Capstan motor power ground
53
C_VOUT
O
Capstan motor output V
54
C_STBY
I
Capstan motor standby
55
C_UOUT
O
Capstan motor output U
56
D_WOUT
O
Drum motor output W
57
D_RS
-
Drum motor output current sensing
58
D_VOUT
O
Drum motor output V
59
D_UOUT
O
Drum motor output U
60
D_VM
-
Drum motor power supply voltage
61
L_OUT2
O
Loading motor output 2
62
L_RS
-
Loading motor output current sensing
63
L_OUT1
O
Loading motor output 1
64
L_ILIM
-
Loading motor output current limiting
FAN8434
L_RS
OPIN1+
OPIN1-
OPOUT1
61
62
7
6
8
OPOUT2
L_OUT2
63
OPIN2-
L_OUT1
5
VCC1
OPIN2+
L_VM
Internal Block Diagram
10 11 9
TSD
VCC1/2
FWD 3
MODE
SELECTION
REV 4
1 OPIN3-
OUTPUT
DRIVER
2 OPOUT3
L_ILIM 64
VCC1/2
15 OPIN416 OPOUT4
VH+ 43
Hall power
supply voltage
VH- 42
TSD
44 CVM
ANGLE 39
HU+ 50
HU- 49
MATRIX
&
LOGIC
&
OUTPUT
DRIVER
HV+ 48
HV- 47
HW+ 46
55 C_UOUT
53 C_VOUT
51 C_WOUT
HW- 45
52 C_RS
C_FR 40
VCC1
Upper/Lower
amplitude limiter
C_FGOUT 36
VCC1
Capstan
bias circuit
C_FGIN- 37
54 C_STBY
C_FGIN+ 38
60 D_VM
FC2 21
VCC1
Drum
bias circuit
D_STBY 34
Mid Point
CONTROL
23 D_COM
24 D_UIN
BACK-EMF
DETECT
MASKING
25 D_VIN
26 D_WIN
START-UP
CONTROL
OSC 18
SOFTCOMMUTATING
DRIVE
TIMING
CONTROL
Forward/Reverse
D_FR 17
59 D_UOUT
58 D_VOUT
OUTPUT
DRIVER
CSC1 13
56 D_WOUT
CSC2 14
FC1 19
TSD
57 D_RS
FILTER 20
VCC1
SELCSLP 12
35
33
32
31
30
29
28
D_FGIN1
D_FGIN
VREF
D_PGIN
D_PGC
D_PGOUT
VCC1
D_FGOUT
VCC1
Reference
Voltage
27 GND
5
FAN8434
Equivalent Circuits
Description
Pin No.
Hall input
45, 46, 47
48, 49, 50
Internal circuit
VCC1
Angle
46
45
48
47
50
49
39
VCC1
39
Hall Bias
42,43
VCC1
VCC1
42
43
Capstan Output
C_UOUT
C_VOUT
C_WOUT
C_RS
51, 53, 55
52
VCC2
44
51
53
55
52
6
FAN8434
Equivalent Circuits (Continued)
Description
Pin No.
FG Input
&
FG Comparator
Output
37,38
36
Internal circuit
VCC1
VCC1
37
C_FR
36
38
40
VCC1
40
C_STBY
54
VCC1
54
D_PGIN
D_PGC
29
30
VCC1
VCC1
29
D_PGOUT
30
28
VCC1
28
7
FAN8434
Equivalent Circuits (Continued)
Description
Pin No.
D_FGIN
D_FGIN1
D_FGOUT
32
33
35
Internal circuit
VCC1
VCC1
32
35
33
OSC
18
VCC1
18
FC1
19
VCC1
19
Filter
20
VCC1
20
56 58 59
8
FAN8434
Equivalent Circuits (Continued)
Description
Pin No.
FC2
21
Internal circuit
VCC1
21
D_UIN
D_VIN
D_WIN
D_COM
24,25,26
23
VCC1
24
25
23
26
Drum Output
D_WOUT
D_VOUT
D_UOUT
D_RS
56,58,59,
57
60
56
58
VCC1 59
57
SELCSLP
12
VCC1
12
9
FAN8434
Equivalent Circuits (Continued)
Description
Pin No.
CSC1
CSC2
13,14
Internal circuit
VCC1
13
14
D_FR
17
VCC1
17
D_STBY
34
VCC1
34
VREF
31
VCC1
31
10
FAN8434
Equivalent Circuits (Continued)
Description
Pin No.
Loading Input
FWD
REV
3,4
Internal circuit
VCC1
3
4
Loading Output
L_OUT2
L_OUT1
L_RS
61
63
62
5
61
63
62
L_ILIM
34
VCC1
64
Normal OP-Amps
Input
1,6,7,10,11,15
VCC1
VCC1
Normal OP-Amps
Output
6
7
1
11
10
15
2,8,9,16
VCC1
2
9
8 16
11
FAN8434
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Value
Unit
Remark
VCC1max
7.0
V
VCC1 ≤ VCC2
Maximum IC supply voltage 2
VCC2max
8.5
V
-
Maximum capstan motor supply voltage
C_VMmax
7.0
V
C_VM ≤ VCC2
Maximum drum motor supply voltage
D_VMmax
7.0
V
D_VM ≤ VCC2
Maximum loading motor supply voltage
L_VMmax
7.0
V
L_VM ≤ VCC2
Maximum capstan motor output current
ICOmax
1.0
A
VCC2=7V, C_VM=7V
Maximum drum motor output current
IDOmax
1.0
A
VCC2=7V, D_VM=7V
Maximum loading motor output current
ILOmax
0.6
A
VCC2=7V, L_VM=7V
Power dissipation
Pd
0.6note1
W
Individual
Junction temperature
TJ
150
°C
VCC2=7V, VM=7V
Operating temperature
TOPR
−25 ~ +75
°C
Storage temperature
TSTG
−55 ~ +150
°C
Maximum IC supply voltage 1
Notes:
1. 1) When mounted on glass epoxy PCB (76 × 114 × 1.6mm)
2) Power dissipation is reduced at the rate of -4.8mW/°C for TA≥25°C.
3) Do not exceed Pd and SOA(Safe Operating Area).
Power Dissipation Curve
Power dissipation (W)
0.6
SOA
0
25
75
150
Ambient temperature, Ta [°C]
Recommended Operating Conditions (Ta=25°C)
Parameter
Value
Units
2.7 ~ 6
V
VCC2
3.5 ~8.5
V
Capstan motor supply voltage
C_VMnote3
0 ~ 7.0
V
Drum motor supply voltage
D_VMnote3
0 ~ 7.0
V
Loading motor supply voltage
L_VMnote3
0 ~ 7.0
V
IC supply voltage1
IC supply voltage2
Symbol
VCC1
note2
Notes:
2. Conditions: VCC1 ≤ VCC2
3. Conditions: C_VM ≤ VCC2, D_VM ≤ VCC2, L_VM ≤ VCC2
12
FAN8434
Electrical Characteristics
(VCC1=3V, VCC2=4.75V,C_VM=1.5V, D_VM=L_VM=3V, DRS=0.25Ω, Ta=25°C, unless otherwise specified)
Parameter
Symbol
VCC1 power supply current1
VCC2 power supply current2
ICC1
ICC2
Conditions
IOUT=100mA,VC_STBY=3V
Min.
Typ.
max.
Unit
-
4
8
mA
IOUT=100mA,VC_STBY=3V
-
6
12
mA
VCC1 Idle current
ICC1Q
VC_STBY=0V
-
2.1
4
mA
VCC2 Idle current
ICC2Q
VC_STBY=0V
-
-
100
µA
VM Idle current
IVMQ
VC_STBY=0V
-
75
100
µA
-
0.22
0.29
V
CAPSTAN MOTOR BLOCK
Upper side saturation voltage1 VCSATH1 Io=0.2A, VC_STBY=3V
Lower side saturation voltage1 VCSATL1 Io=0.2A, VC_STBY=3V
-
0.20
0.25
V
Upper side saturation voltage2 VCSATH2 Io=0.5A, VC_STBY=3V
-
0.25
0.4
V
Lower side saturation voltage2 VCSATL2 Io=0.5A, VC_STBY=3V
-
0.25
0.4
V
Output saturation voltage
-
-
1.4
V
RL=39Ω*3,Range=20KΩ
73
80
87
%
-5
-
5
mV
Overlap
amountnote
VCOSAT
O.L
Io=0.8A, Sink+Source
HALL AMPLIFIER
Input offset voltagenote
VHOFF
C_RS=0.5Ω, CCTL=5V
Common mode input range
VHCM
Rangle=20KΩ
0.95
-
2.1
V
Voltage gain
VHGM
Rangle=20KΩ
23
26
29
dB
STANDBY PIN
High level voltage
VCSTH
-
2.5
-
VCC1
V
Low level voltage
VCSTL
-
-0.2
-
0.7
V
Input current
ICSTIN
VC_STBY=3V
-
-
50
µA
Leakage current
ICSTLK
VC_STBY=0V
-30
-
-
µA
FR PIN
High level voltage
VCFRH
-
2.5
-
VCC1
V
Low level voltage
VCFRL
-
-0.2
-
0.7
V
Input current
ICFRIN
VC_STBY=3V
-
20
30
µA
Leakage current
ICFRLK
VC_STBY=0V
-30
-
-
µA
VHALL
IH=5mA,VH(+)-VH(-)
0.55
0.65
0.75
V
IH=5mA
0.86
0.93
1.00
V
-3
-
3
mV
HALL BIAS
Hall power supply voltage
(-)pin voltage
VH-
FG COMPARATOR
Input offset voltage
Input bias current
Input bias current offset
VFGOFF
-
IFG
VFGIN+=VFGIN-=1.5V
-
-
500
nA
∆IFG
VFGIN+=VFGIN-=1.5V
-100
-
100
nA
1.2
-
2.5
V
Common mode input range
VFGCM
High level output voltage
VFGOH
Internal pull-up
2.8
-
-
V
Low level output voltage
VFGOL
Internal pull-up
-
-
0.2
V
-
100
-
dB
-
-
100
µA
Voltage gain
note
Output current(sink)
-
VFGGM
IFGOS
Outpin="L"
(*note) Guaranteed field ( No EDS / Final test )
13
FAN8434
Electrical Characteristics(Continued)
(VCC1=3V, VCC2=4.75V,C_VM=1.5V, D_VM=L_VM=3V, DRS=0.25Ω, Ta=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
max.
Unit
Io=76mA,VD_STBY=3V,
VC_STBY=0V
-
0.75
2.5
mA
DRUM MOTOR BLOCK
Power supply current3
ICC3
Output Idle current4
ICC4Q
VD_STBY=0V,VC_STBY=0V
-
-
100
µA
Output Idle current5
ICC5Q
VD_STBY=0V,VC_STBY=0V
-
100
300
µA
Upper side saturation voltage1
VSATH3
Io=0.1A, RS=0.25Ω
-
0.3
0.5
V
Lower side saturation voltage1
VSATL3
Io=0.1A, RS=0.25Ω
-
0.3
0.5
V
Upper side saturation voltage2
VSATH4
Io=0.4A, D_VM=3V,RS=0.25Ω
-
0.5
0.8
V
Lower side saturation voltage2
VSATL4
Io=0.4A, D_VM=3V,RS=0.25Ω
-
0.5
0.8
V
COM pin common mode input
range
VIC
-
0.3
-
VCC20.9
V
High level voltage
VDSTH
-
2.0
-
VCC1
V
Low level voltage
VDSTL
-
-0.2
-
0.7
V
Input current
IDSTIN
VD_STBY=3V
-
-
50
µA
Leakage current
IDSTLK
VD_STBY=0V
-10
-
-
µA
STANDBY PIN
FR PIN
High level voltage
VDFRH
-
2.0
-
VCC1
V
Low level voltage
VDFRL
-
-0.2
-
0.7
V
Input current
IDFRIN
VC_STBY=3V
-
-
50
µA
Leakage current
IDFRLK
VC_STBY=0V
-10
-
-
µA
OSCILLATOR
Source current rationote
RSOUR
ICSC1SOUR/ICSC2SOUR
-15
-
+15
%
Sink current rationote
RSINK
ICSC1SINK/ICSC2SINK
-15
-
+15
%
CSC1 source/sink current
rationote
RCSC1
ICSC1SOUR/ICSC1SINK
-35
-
+15
%
CSC2 source/sink current
rationote
RCSC2
ICSC2SOUR/ICSC2SINK
-35
-
+15
%
COSC=0.1µF, OSC freq.=target
-
12.5
-
Hz
Target
-
30
-
deg
-
2.0
-
VCC1
V
Startup frequencynote
Freq
Phase delay-widthnote
Dw
SELCSLP PIN
High level voltage
VSELH
Low level voltage
VSELL
-
-0.2
-
0.7
V
Input current
ISELH
VSELCSLP=3V
-
-
50
µA
Leakage current
ISELLK
VSELCSLP=0V
-10
-
-
µA
(*note) Guaranteed field ( No EDS / Final test )
14
FAN8434
Electrical Characteristics(Continued)
(VCC1=3V, VCC2=4.75V,C_VM=1.5V, D_VM=L_VM=3V, DRS=0.25Ω, Ta=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
max.
Unit
VDFGOF
-
-
±1
±5
mV
IDFG
-
-
-
250
nA
1.0
-
2.0
V
-
55
-
dB
DRUM MOTOR BLOCK
FG AMP. & COMPARATOR
Input offset voltagenote
note
Input bias current
-
Common mode input voltage
rangenote
VICOM
Open loop gainnote
DFGGM
f=1KHz
Output on voltage
VFGOL
Io=10µA
-
-
0.4
V
Io=10µA
VCC10.5
-
-
V
-
50
-
mV
Output off voltage
VFGOH
Schmitt amplifier hysteresis
widthnote
VFGHYS
Reference voltage
-
VREF
-
1.15
1.30
1.45
V
VDPGOF
-
-
±1
±5
mV
IDPG
-
-
-
250
nA
1.0
-
2.0
V
PG AMP. & COMPARATOR
Input offset voltagenote
note
Input bias current
-
Common mode input voltage
rangenote
VICOM
Open loop gainnote
DPGGM
f=1KHz
-
55
-
dB
Output on voltage
VPGOL
Io=10µA
-
-
0.4
V
Output off voltage
VPGOH
Io=10µA
VCC10.5
-
-
V
Schmitt amplifier hysteresis
widthnote
VPGHYS
-
50
-
mV
-
(*note) Guaranteed field ( No EDS / Final test )
15
FAN8434
Electrical Characteristics(Continued)
(VCC1=3V, VCC2=4.75V,C_VM=1.5V, D_VM=L_VM=3V, DRS=0.25Ω, Ta=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min.
Typ.
max.
Unit
LOADING MOTOR BLOCK
VCC1 power supply current1
ICC6
VC_STBY=VD_STBY=0V,
FWD=REV="L"
-
2.1
4.0
mA
VCC1 power supply current2
ICC7
VC_STBY=VD_STBY=0V,
FWD="H",REV="L" or
FWD="L",REV="H"
-
14
19
mA
VCC1 power supply current3
ICC8
VC_STBY=VD_STBY=0V,
FWD=REV="H"
-
30
40
mA
VCC2 power supply current1
ICC9
VC_STBY=VD_STBY=0V,
FWD=REV="L",VCC1=open
-
-
100
µA
VCC2 power supply current2
ICC10
VC_STBY=VD_STBY=0V,
FWD=REV="L",VCC1=3.0V
-
-
100
µA
VCC2 power supply current3
ICC11
VC_STBY=VD_STBY=0V,
FWD="H",REV="L" or
FWD="L",REV="H"
-
15
25
mA
L_VM power supply current
IL_VM
VC_STBY=VD_STBY=0V,
FWD=REV="L"
-
-
20
µA
VINH
VCC1=2.7 to 4.0V
2.0
-
VCC1
V
FWD/REV PIN
High level input voltage
-
41
65
µA
-0.2
-
0.6
V
VIN=0.6V
-
5
10
µA
High level input current
IINH
VIN=3.0V
Low level input voltage
VINL
VCC1=2.7 to 4.0V
Low level input current
IINL
OUTPUT
Output saturation voltage1
VLSAT1
Io=200mA,Upper+Lower
-
0.2
0.3
V
Output saturation voltage2
VLSAT2
Io=400mA,Upper+Lower
-
0.4
0.6
V
NORMAL OPAMP
VIOFF
-
-
±1
±5
mV
IB
-
-
-
1
µA
Common mode input voltage
range
VICM
-
1.0
-
2.0
V
Open loop gain
GM1
-
-
55
-
dB
TSD
-
-
160
-
°C
HTSD
-
-
15
-
°C
Input offset voltage
Input bias current
THERMAL SHUTDOWN
TSD operating temperaturenote
TSD
Hysteresisnote
(*note) Guaranteed field ( No EDS / Final test )
16
FAN8434
Application Information
1. Capstan Motor Driver Truth Table
Source → Sink
V→W
1
Hall input
U
V
W
H
H
L
W→V
H
L
L
H
H
L
H
H
W→U
L
U→V
3
V→U
L
W→V
4
L
L
H
V→W
L
H
H
U→W
H
L
V→U
6
H
L
W →U
5
H
L
U→W
2
C_FR
L
H
L
U→V
H
L
Notes:
1. C_FR "H" is above 2.5V, C_FR "L" is below 0.4V.
2. Hall input "H" is that input(+) is higher than input(-) 0.02V over.
Hall input "L" is that input(+) is lower than input(-) 0.02V over
2. Loading Motor Truth Table
Input
Output
Mode
FWD
REV
LOUT1
LOUT2
L
L
OFF
OFF
Standby
H
L
H
L
Forward
L
H
L
H
Reverse
H
H
H
H
Brake
17
FAN8434
Test Circuits
VCC1 VCC1
A
A
A
A
A
A
V
A
A
A
A V
D_VM
8
D_VM
A
8
8
8
D_VM
A
D_STBY
D_FGOUT
C_FGIN-
C_FGOUT
ANGLE
C_FGIN+
C_FR
VH-
VH+
HV-
D_PGC 29
D_PGOUT 28
1M
V
GND 27
55 C_UOUT
D_WIN 26
V
56 D_WOUT
D_VIN 25
V
D_UIN 24
V
FAN8434
58 D_VOUT
D_COM 23
59 D_UOUT
VCC1 22
60 D_VM
63 L_OUT1
OSC 18
OPOUT2
OPIN2+
5
6
7
8
9
10 11 12 13 14 15 16
A
A
A
OPIN4-
OPOUT1
4
CSC2
OPIN1+
3
CSC1
OPIN1-
2
1
OPIN2-
L_VM
SELCSLP
FC1 19
OPIN3-
C
A
33nF
0.1uF
FILTER 20
62 L_RS
64 L_ILIM
A
FC2 21
REV
A
1uF
54 C_STBY
FWD
8
L_VM
V
OPOUT3
C
A
VREF 31
D_PGIN 30
61 L_OUT2
8
L_VM
D_FGIN 32
52 C_RS
57 D_RS
D_VM
D_FGIN1
51 C_WOUT
53 C_VOUT
8
D_VM
VCC2
50 HU+
HW-
49 HU-
A
C_VM
A
HW+
HV+
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
D_FR 17
0.1uF
A
0.1uF
OPOUT4
V
A
V
50 1.5V
1M
V
V
V V
V
V
V
V
V
V
1M 50
1.5V 1.5V
50 50
1.5V 1.5V
1M
1.5V
EW
EV
10KΩ
33nF
3
4
50K
22nF
0.6V
1M
1.5V
EU
8
KA358
2
40KΩ
12V
1
10KΩ
f = 210Hz
50 50
1.5V 1.5V
7
10KΩ
10KΩ
6
40KΩ
5
33nF
18
50K
22nF
0.6V
V
100K
FAN8434
D_STBY
D_FGOUT
C_FGOUT
C_FR
VCC2
C_VM
Typical Application Circuits
C_STBY
D_STBY
D_FGOUT
C_FGIN-
D_FGIN 32
VREF 31
D_PGIN 30
52 C_RS
D_PGC 29
53 C_VOUT
D_PGOUT 28
54 C_STBY
GND 27
55 C_UOUT
D_WIN 26
D_COM 23
59 D_UOUT
VCC1 22
60 D_VM
D_FGOUT
VCC1
FILTER 20
FC1 19
63 L_OUT1
OSC 18
OPIN1-
OPIN1+
OPOUT1
OPOUT2
OPIN2+
5
6
7
8
9
10 11 12 13 14 15 16
FWD
REV
L_VM
D_FR 17
VCC1
OPOUT4
D_SEL
OPIN4-
L_VM
4
CSC2
REV
3
CSC1
FWD
2
OPIN2-
OPOUT3
SELCSLP
62 L_RS
1
D_PGIN
FC2 21
61 L_OUT2
OPIN3-
VREF
D_UIN 24
58 D_VOUT
64 L_ILIM
D_FGIN
D_VIN 25
FAN8434
57 D_RS
VCC1
D_FGIN1
51 C_WOUT
56 D_WOUT
D_VM
C_FGOUT
50 HU+
C_FGIN+
ANGLE
C_FR
VH-
VCC2
VH+
HW-
C_VM
49 HU-
HW+
HV-
HV+
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
19
FAN8434
Package Dimension
64-LQFP-1010
Unit: mm
20
FAN8434
21
FAN8434
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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