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FAN8434
Camcorder 3 in 1 Motor Driver
Features
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. Drum motor drive block * 3-phase soft commutating sensor less drive method. * Built-in FG amplifier. * Built-in PG amplifier. 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.
Description
The FAN8434 is a camcorder one-chip motor driver IC. It is composed of capstan motor driver , drum motor driver and loading motor driver.
64-LQFP-1010
Typical Applications
* Camcorder
Ordering Information
Device FAN8434 FAN8434_NL FAN8434X
Notes:
note2 note1
Package
Operating Temp.
64-LQFP-1010 -25C ~ +75C 64-LQFP-1010 -25C ~ +75C 64-LQFP-1010 -25C ~ +75C
FAN8434X_NLnote2 64-LQFP-1010 -25C ~ +75C 1. X: Tape & Reel 2. NL: Lead-free type
Rev. 1.0.1
(c)2004Fairchild Semiconductor Corporation
FAN8434
Pin Assignments
D_FGOUT C_FGOUT C_FGIN+ C_FGIND_FGIN1 33 D_STBY 34 ANGLE 39 C_VM VCC2 41 C_FR 40 HW+ HW-
VH+ 43
48
47
46
45
44
42
VH-
HV+
HV-
38
37
36
35
HUHU+ C_WOUT C_RS C_VOUT C_STBY C_UOUT D_WOUT D_RS D_VOUT D_UOUT D_VM L_OUT2 L_RS L_OUT1 L_ILIM
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
32 31 30 29 28 27 26 25
D_FGIN VREF D_PGIN D_PGC D_PGOUT GND D_WIN D_VIN D_UIN D_COM VCC1 FC2 FILTER FC1 OSC D_FR
FAN8434
24 23 22 21 20 19 18 17
1 OPIN3-
2 OPOUT3
3 FWD
4 REV
5 L_VM
6 OPIN1-
7 OPIN1+
8 OPOUT1
9 OPOUT2
10 OPIN2+
11 OPIN2-
12 SELCSLP
13 CSC1
14 CSC2
15 OPIN4-
16 OPOUT4
2
FAN8434
Pin Definitions
Pine Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pin Name OPIN3OPOUT3 FWD REV L_VM OPIN1OPIN1+ OPOUT1 OPOUT2 OPIN2+ OPIN2SELCSLP CSC1 CSC2 OPIN4OPOUT4 D_FR OSC FC1 FILTER FC2 VCC1 D_MCOM D_UIN D_VIN D_WIN GND D_PGOUT D_PGC D_PGIN VREF D_FGIN I/O I O I I I I O O I I I I O I I I I I O I I I OP amp. 3 input OP amp. 3 output Loading motor forward input Loading motor reverse input Loading motor power supply voltage OP amp. 1 input OP amp. 1 input + OP amp. 1 output OP amp. 2 output OP amp. 2 input + OP amp. 2 input Selection pin for oscillator 's slant Drum motor soft commutating oscillation 1 Drum motor soft commutating oscillation 2 OP amp. 4 input OP amp. 4 output Drum motor forward / reverse selection pin Drum motor start up oscillation Frequency characteristic Drum motor torque ripple compensation Output midpoint control Power supply voltage 1 Drum motor Y-connection coil common input Drum motor U-phase detect comparator input Drum motor V-phase detect comparator input Drum motor W-phase detect comparator input Signal ground Drum motor PG comparator output Drum motor PG amp. output Drum motor PG input Reference voltage Drum motor FG input Pin Function Description
3
FAN8434
Pin Definitions (Continued)
Pine Number 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Pin Name D_FGIN1 D_STBY D_FGOUT C_FGOUT C_FGINC_FGIN+ ANGLE C_FR VCC2 VHVH+ C_VM HWHW+ HVHV+ HUHU+ C_WOUT C_RS C_VOUT C_STBY C_UOUT D_WOUT D_RS D_VOUT D_UOUT D_VM L_OUT2 L_RS L_OUT1 L_ILIM I/O I I O O I I I I I I I I I O O I O O O O O O Pin Function Description Drum motor FG input 1 Drum motor standby Drum motor FG comparator output Capstan motor FG comparator output Capstan motor FG inputCapstan motor FG input+ Capstan motor output slant selection Capstan motor forward / reverse selection Power supply voltage 2 Hall bias supply voltageHall bias supply voltage+ Capstan motor power supply voltage Capstan motor hall input WCapstan motor hall input W+ Capstan motor hall input VCapstan motor hall input V+ Capstan motor hall input UCapstan motor hall input U+ Capstan motor output W Capstan motor power ground Capstan motor output V Capstan motor standby Capstan motor output U Drum motor output W Drum motor output current sensing Drum motor output V Drum motor output U Drum motor power supply voltage Loading motor output 2 Loading motor output current sensing Loading motor output 1 Loading motor output current limiting
4
FAN8434
Internal Block Diagram
L_OUT2 OPOUT1 L_OUT1 OPIN1+ OPIN1L_VM L_RS OPOUT2 OPIN2+ OPIN2-
5 VCC1 TSD
63
61
62
7
6
8
10 11 9
VCC1/2 FWD 3 REV 4 L_ILIM 64 MODE SELECTION OUTPUT DRIVER VCC1/2 15 OPIN4VH+ 43 VH- 42 ANGLE 39 HU+ 50 HU- 49 HV+ 48 HV- 47 HW+ 46 HW- 45 C_FR 40 VCC1 MATRIX & LOGIC & OUTPUT DRIVER 55 C_UOUT 53 C_VOUT 51 C_WOUT 16 OPOUT4 Hall power supply voltage TSD 44 CVM 1 OPIN32 OPOUT3
52 C_RS Upper/Lower amplitude limiter VCC1 Capstan bias circuit 54 C_STBY
C_FGOUT 36 C_FGIN- 37 C_FGIN+ 38
60 D_VM FC2 21 VCC1 Drum bias circuit Mid Point CONTROL BACK-EMF DETECT 23 D_COM 24 D_UIN 25 D_VIN 26 D_WIN OSC 18 D_FR 17 CSC1 13 CSC2 14 FC1 19 FILTER 20 SELCSLP 12 TSD 57 D_RS VCC1 START-UP CONTROL Forward/Reverse TIMING CONTROL SOFTCOMMUTATING DRIVE OUTPUT DRIVER
D_STBY 34
MASKING
59 D_UOUT 58 D_VOUT 56 D_WOUT
VCC1
Reference Voltage
VCC1
27 GND
35 D_FGOUT
33 D_FGIN1
32 D_FGIN
31 VREF
30 D_PGIN
29 D_PGC
28 D_PGOUT
5
FAN8434
Equivalent Circuits
Description Hall input Pin No. 45, 46, 47 48, 49, 50
VCC1
Internal circuit
46 48 50
45 47 49
Angle
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 FG Input & FG Comparator Output Pin No. 37,38 36 Internal circuit
VCC1
VCC1
37
38
36
C_FR
40
VCC1
40
C_STBY
54
VCC1
54
D_PGIN D_PGC
29 30
VCC1
VCC1
29
30
D_PGOUT
28
VCC1
28
7
FAN8434
Equivalent Circuits (Continued)
Description D_FGIN D_FGIN1 D_FGOUT Pin No. 32 33 35 Internal circuit
VCC1
VCC1
32 33
35
OSC
18
VCC1
18
FC1
19
VCC1
19
Filter
20
VCC1
20
56 58 59
8
FAN8434
Equivalent Circuits (Continued)
Description FC2 Pin No. 21
VCC1
Internal circuit
21
D_UIN D_VIN D_WIN D_COM
24,25,26 23
VCC1
24 25 26 23
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 CSC1 CSC2 Pin No. 13,14
VCC1
Internal circuit
13 14
D_FR
17
VCC1
17
D_STBY
34
VCC1
34
VREF
31
VCC1
31
10
FAN8434
Equivalent Circuits (Continued)
Description Loading Input FWD REV Pin No. 3,4
VCC1
Internal circuit
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
6 11
7 10
1 15
Normal OP-Amps Output
2,8,9,16
VCC1 2 9
8 16
11
FAN8434
Absolute Maximum Ratings (Ta=25C)
Parameter Maximum IC supply voltage 1 Maximum IC supply voltage 2 Maximum capstan motor supply voltage Maximum drum motor supply voltage Maximum loading motor supply voltage Maximum capstan motor output current Maximum drum motor output current Maximum loading motor output current Power dissipation Junction temperature Operating temperature Storage temperature Symbol VCC1max VCC2max C_VMmax D_VMmax L_VMmax ICOmax IDOmax ILOmax Pd TJ TOPR TSTG Value 7.0 8.5 7.0 7.0 7.0 1.0 1.0 0.6 0.6note1 150 -25 ~ +75 -55 ~ +150 Unit V V V V V A A A W C C C Remark VCC1 VCC2 C_VM VCC2 D_VM VCC2 L_VM VCC2 VCC2=7V, C_VM=7V VCC2=7V, D_VM=7V VCC2=7V, L_VM=7V Individual VCC2=7V, VM=7V
Notes: 1. 1) When mounted on glass epoxy PCB (76 x 114 x 1.6mm) 2) Power dissipation is reduced at the rate of -4.8mW/C for TA25C. 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=25C)
Parameter IC supply voltage1 IC supply voltage2 Capstan motor supply voltage Drum motor supply voltage Loading motor supply voltage Symbol VCC1
note2
Value 2.7 ~ 6 3.5 ~8.5 0 ~ 7.0 0 ~ 7.0 0 ~ 7.0
Units V V V V V
VCC2 C_VMnote3 D_VMnote3 L_VMnote3
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=0.25, Ta=25C, unless otherwise specified) Parameter VCC1 power supply current1 VCC2 power supply current2 VCC1 Idle current VCC2 Idle current VM Idle current 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 Upper side saturation voltage2 VCSATH2 Io=0.5A, VC_STBY=3V Lower side saturation voltage2 VCSATL2 Io=0.5A, VC_STBY=3V Output saturation voltage Overlap amountnote HALL AMPLIFIER Input offset voltagenote Common mode input range Voltage gain STANDBY PIN High level voltage Low level voltage Input current Leakage current FR PIN High level voltage Low level voltage Input current Leakage current HALL BIAS Hall power supply voltage (-)pin voltage FG COMPARATOR Input offset voltage Input bias current Input bias current offset Common mode input range High level output voltage Low level output voltage Voltage gain
note
Symbol ICC1 ICC2 ICC1Q ICC2Q IVMQ
Conditions IOUT=100mA,VC_STBY=3V IOUT=100mA,VC_STBY=3V VC_STBY=0V VC_STBY=0V VC_STBY=0V
Min. 73 -5 0.95 23
Typ. 4 6 2.1 75 0.22 0.20 0.25 0.25 80 26 20 0.65 0.93 100 -
max. 8 12 4 100 100 0.29 0.25 0.4 0.4 1.4 87 5 2.1 29 VCC1 0.7 50 VCC1 0.7 30 0.75 1.00 3 500 100 2.5 0.2 100
Unit mA mA mA A A V V V V V % mV V dB V V A A V V A A V V mV nA nA V V V dB A
VCOSAT O.L VHOFF VHCM VHGM VCSTH VCSTL ICSTIN ICSTLK VCFRH VCFRL ICFRIN ICFRLK VHALL VHVFGOFF IFG IFG VFGCM VFGOH VFGOL VFGGM IFGOS
Io=0.8A, Sink+Source RL=39*3,Range=20K C_RS=0.5, CCTL=5V Rangle=20K Rangle=20K VC_STBY=3V VC_STBY=0V VC_STBY=3V VC_STBY=0V IH=5mA,VH(+)-VH(-) IH=5mA VFGIN+=VFGIN-=1.5V VFGIN+=VFGIN-=1.5V Internal pull-up Internal pull-up Outpin="L"
2.5 -0.2 -30 2.5 -0.2 -30 0.55 0.86 -3 -100 1.2 2.8 -
Output current(sink)
(*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=0.25, Ta=25C, unless otherwise specified) Parameter DRUM MOTOR BLOCK Power supply current3 Output Idle current4 Output Idle current5 Upper side saturation voltage1 Lower side saturation voltage1 Upper side saturation voltage2 Lower side saturation voltage2 COM pin common mode input range STANDBY PIN High level voltage Low level voltage Input current Leakage current FR PIN High level voltage Low level voltage Input current Leakage current OSCILLATOR Source current rationote Sink current rationote CSC1 source/sink current rationote CSC2 source/sink current rationote Startup frequencynote Phase delay-widthnote SELCSLP PIN High level voltage Low level voltage Input current Leakage current VSELH VSELL ISELH ISELLK VSELCSLP=3V VSELCSLP=0V 2.0 -0.2 -10 VCC1 0.7 50 V V A A RSOUR RSINK RCSC1 RCSC2 Freq Dw ICSC1SOUR/ICSC2SOUR ICSC1SINK/ICSC2SINK ICSC1SOUR/ICSC1SINK ICSC2SOUR/ICSC2SINK COSC=0.1F, OSC freq.=target Target -15 -15 -35 -35 12.5 30 +15 +15 +15 +15 % % % % Hz deg VDFRH VDFRL IDFRIN IDFRLK VC_STBY=3V VC_STBY=0V 2.0 -0.2 -10 VCC1 0.7 50 V V A A VDSTH VDSTL IDSTIN IDSTLK VD_STBY=3V VD_STBY=0V 2.0 -0.2 -10 VCC1 0.7 50 V V A A ICC3 ICC4Q ICC5Q VSATH3 VSATL3 VSATH4 VSATL4 VIC Io=76mA,VD_STBY=3V, VC_STBY=0V VD_STBY=0V,VC_STBY=0V VD_STBY=0V,VC_STBY=0V Io=0.1A, RS=0.25 Io=0.1A, RS=0.25 Io=0.4A, D_VM=3V,RS=0.25 Io=0.4A, D_VM=3V,RS=0.25 0.3 0.75 100 0.3 0.3 0.5 0.5 2.5 100 300 0.5 0.5 0.8 0.8 VCC20.9 mA A A V V V V V Symbol Conditions Min. Typ. max. Unit
(*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=0.25, Ta=25C, unless otherwise specified) Parameter DRUM MOTOR BLOCK FG AMP. & COMPARATOR Input offset voltagenote Input bias current
note
Symbol
Conditions
Min.
Typ.
max.
Unit
VDFGOF IDFG VICOM DFGGM VFGOL VFGOH VFGHYS VREF VDPGOF IDPG VICOM DPGGM VPGOL VPGOH VPGHYS f=1KHz Io=10A Io=10A f=1KHz Io=10A Io=10A
-
1.0 VCC10.5
1 55 50 1.30 1 55 50
5 250 2.0 0.4 1.45 5 250 2.0 0.4 -
mV nA V dB V V mV V mV nA V dB V V mV
Common mode input voltage rangenote Open loop gainnote Output on voltage Output off voltage Schmitt amplifier hysteresis widthnote Reference voltage PG AMP. & COMPARATOR Input offset voltagenote Input bias current
note
-
1.15 1.0 VCC10.5
Common mode input voltage rangenote Open loop gainnote Output on voltage Output off voltage Schmitt amplifier hysteresis widthnote
-
-
(*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=0.25, Ta=25C, unless otherwise specified) Parameter LOADING MOTOR BLOCK VCC1 power supply current1 VCC1 power supply current2 VCC1 power supply current3 VCC2 power supply current1 VCC2 power supply current2 VCC2 power supply current3 L_VM power supply current FWD/REV PIN High level input voltage High level input current Low level input voltage Low level input current OUTPUT Output saturation voltage1 Output saturation voltage2 NORMAL OPAMP Input offset voltage Input bias current Common mode input voltage range Open loop gain THERMAL SHUTDOWN TSD operating temperaturenote TSD Hysteresisnote TSD HTSD 160 15 C C VIOFF IB VICM GM1 1.0 1 55 5 1 2.0 mV A V dB VLSAT1 VLSAT2 Io=200mA,Upper+Lower Io=400mA,Upper+Lower 0.2 0.4 0.3 0.6 V V VINH IINH VINL IINL VCC1=2.7 to 4.0V VIN=3.0V VCC1=2.7 to 4.0V VIN=0.6V 2.0 -0.2 41 5 VCC1 65 0.6 10 V A V A ICC6 ICC7 ICC8 ICC9 ICC10 ICC11 IL_VM VC_STBY=VD_STBY=0V, FWD=REV="L" VC_STBY=VD_STBY=0V, FWD="H",REV="L" or FWD="L",REV="H" VC_STBY=VD_STBY=0V, FWD=REV="H" VC_STBY=VD_STBY=0V, FWD=REV="L",VCC1=open VC_STBY=VD_STBY=0V, FWD=REV="L",VCC1=3.0V VC_STBY=VD_STBY=0V, FWD="H",REV="L" or FWD="L",REV="H" VC_STBY=VD_STBY=0V, FWD=REV="L" 2.1 14 30 15 4.0 19 40 100 100 25 20 mA mA mA A A mA A Symbol Conditions Min. Typ. max. Unit
(*note) Guaranteed field ( No EDS / Final test )
16
FAN8434
Application Information
1. Capstan Motor Driver Truth Table
Source Sink 1 2 3 4 5 6 VW WV UW WU UV VU WV VW W U UW VU UV
Hall input U H H H L L L V H L L L H H W L L H H H L
C_FR H L H L H L H L H L 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 FWD L H L H REV L L H H LOUT1 OFF H L H
Output LOUT2 OFF L H H
Mode Standby Forward Reverse Brake
17
FAN8434
Test Circuits
VCC1 VCC1
A
A
A
A
A
A
A
V
A
A
AV
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 C_VM VCC2 D_FGOUT C_FGOUT VH+ HW+ HWVHHV+ HVC_FGIN+ C_FGIND_STBY ANGLE C_FR D_FGIN1 D_FGIN 32 VREF 31 D_PGIN 30 D_PGC 29 D_PGOUT 28 GND 27 D_WIN 26 V V V A C A 33nF 0.1uF 0.1uF 100K A 0.1uF V V A V 1uF 1M
A D_VM 8 D_VM 8 A D_VM 8 D_VM 8 D_VM 8 L_VM C 8 L_VM A A 8 A
49 HU50 HU+ 51 C_WOUT 52 C_RS 53 C_VOUT 54 C_STBY 55 C_UOUT 56 D_WOUT 57 D_RS 58 D_VOUT 59 D_UOUT 60 D_VM 61 L_OUT2 62 L_RS
FAN8434
D_VIN 25 D_UIN 24 D_COM 23 VCC1 22 FC2 21 FILTER 20 FC1 19 SELCSLP
OPOUT3
OPOUT1
OPOUT2
63 L_OUT1 64 L_ILIM OPIN31
OSC 18 OPIN4CSC1 CSC2 D_FR 17 OPOUT4 V V 50 1.5V
OPIN1-
OPIN1+
OPIN2+
2
3 A
4 A
5 A
6
7
8
9
10 11 12 13 14 15 16 A
OPIN2-
L_VM
FWD
REV
1M V V VV 1M 50 1.5V 1.5V 1M 1.5V 50 50 1.5V 1.5V 50 50 1.5V 1.5V 1M 1.5V 50K 22nF 0.6V 50K 22nF 0.6V V V V V
V
V
EW
10K 10K 2 40K 1
EV
8 7 6 5
12V
EU
10K 10K 40K 33nF
KA358
f = 210Hz
33nF
3 4
18
FAN8434
Typical Application Circuits
D_FGOUT D_FGOUT C_FGOUT D_STBY D_STBY D_FGIN1 D_FGIN 32 VREF 31 D_PGIN 30 D_PGC 29 D_PGOUT 28 GND 27 D_WIN 26 D_FGOUT D_FGIN VREF D_PGIN D_VIN 25 D_UIN 24 D_COM 23 VCC1 22 FC2 21 FILTER 20 FC1 19 SELCSLP OPOUT3 OPOUT1 OPOUT2 OSC 18 OPIN4CSC1 CSC2 D_FR 17 OPOUT4 VCC1 OPIN1OPIN1+ OPIN2+ OPIN2VCC1
C_VM
VCC2 VCC2
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 C_VM C_FGOUT HV+ HVHW+ HWVH+ VHANGLE C_FGIN+ C_FGIND_SEL C_FR 9
49 HU50 HU+ 51 C_WOUT 52 C_RS 53 C_VOUT C_STBY 54 C_STBY 55 C_UOUT 56 D_WOUT 57 D_RS 58 D_VOUT 59 D_UOUT D_VM 60 D_VM 61 L_OUT2 62 L_RS 63 L_OUT1 VCC1 64 L_ILIM OPIN31
FAN8434
2
3
4
L_VM
FWD
REV
5
6
7
8
C_FR
10 11 12 13 14 15 16
FWD
L_VM
REV
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.
www.fairchildsemi.com 2/4/04 0.0m 001 Stock#DSxxxxxxxx 2004 Fairchild Semiconductor Corporation
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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