Page 1
KA3050
Camera Motor Drive and Control IC
www.fairchildsemi.com
Features
• Built-in DC motor driver
: 1.5-CH DC motor driver : CW, CCW & Brake
• Stepping motor driver
• Built-in strobo control
• Built-in IRED driver for auto-focus
• Built-in V
• Built-in V
• Built-in 5V regulator
• Built-in step-up DC/DC converter controller
selector
E
voltage detector
E
Description
The KA3050 is a monolithic integrated circuit, and suitable
for the motor driver (AE, AF, zoom and reel motor driver)
and the controller (strobo trigger, IRED driver, supply voltage detector, step-up converter control, etc.) in camera systems.
48-QFP-1010E
Typical Applications
• Camera system
©2000 Fairchild Semiconductor International
Ordering Information
Device Package Operating Temp.
KA3050 48-QFP-1010E −20°C ~ +50°C
Rev. 1.0.1
February. 2000.
Page 2
KA3050
Pin Assignments
37
V
DD
DS
FMI
IRI
S-GND1
DEO
RBT
BTS
V
36 35 34 33 32 31 30 29 28 27 26 25
S-VEP-VEP-VEFBR
FMO
P-GND2
24
V
V
MC1
MC2
MC3
MC4
S-GND2
SC1
SC2
SC3
SC4
CC
MGO
23
IRO
22
DM1
21
DM2
20
DM3
19
P-GND2
SM1
18
17
SM2
16
SM3
SM4
15
14
SM5
13
P-GND1
38
DI
39
40
41
42
43
44
45
46
47
48
123456789101112
SEL
PTR
NES
NEC
KA3050
TRI
MGI
P-GND1
SIVSI
V
OSC
TRO
2
Page 3
Pin Definitions
Pin Number Pin Name Pin Function Description
1 SEL IC on/off
2 NES Comparator input
3 PTR PNP open collector output
4 NEC PNP open collector output
5 TRI Trigger input
6 MGI Magnet drive input
7 P-GND1 Power ground 1
8V
9V
SI
SI
10 OSC NPN open collector output
11 TRO PNP open collector output
12 MGO Magnet drive output (NPN open collector output)
13 P-GND1 Power ground 1
14 SM
15 SM
16 SM
17 SM
18 SM
5
4
3
2
1
19 P-GND2 Power ground 2
20 DM
21 DM
22 DM
3
2
1
23 IRO IRED drive output
24 P-GND2 Power ground 2
25 FMO Step-up converter switching output
26 FBR IRED feedback input
27 P-V
28 P-V
29 S-V
E
E
E
30 S-GND1 Signal ground 1
31 IRI IRED control input
32 FMI Step-up converter clock input
33 V
DS
34 BTS Battery selection (3V/6V)
35 RBT V
36 DEO V
37 V
38 V
39 V
40 MC
DD
DI
CC
1
Step motor & AE meter power
Step motor & AE meter power
Step motor & AE meter output 5
Step motor & AE meter output 4
Step motor & AE meter output 3
Step motor & AE meter output 2
Step motor & AE meter output 1
DC motor output 3
DC motor output 2
DC motor output 1
Power VE (Battery power)
Power VE (Battery power)
Signal VE (Battery power)
VDD selection (4V/5V)
voltage detection output(analog)
E
voltage detection output(digital)
E
Inside power & outside power output
Step-up voltage
Motor drive IC power & control block power (5V) output
MC code input 1
KA3050
3
Page 4
KA3050
Pin Definitions (Continued)
Pin Number Pin Name Pin Function Description
41 MC
42 MC
43 MC
2
3
4
MC code input 2
MC code input 3
MC code input 4
44 S-GND2 Signal ground 2
45 SC
46 SC
47 SC
48 SC
1
2
3
4
SC code input 1
SC code input 2
SC code input 3
SC code input 4 / buffer output
Internal Block Diagram
P_V
E
28
S_V
29 27 25 39 22 21 20 938 8 17 16 15 14 2318 26 4 2 3 12 1110
FMO VDIVCCDM1DM2DM3VSIVSISM1SM2SM3SM4SM5IRO FBR OSC NEC NESPTR MGO TRO
E
REG1
P-GND1
P_GND2
S-GND
VDD
3733REG1
VDS
13
7
24
19
44
30
VE/VDD
Detect
PFM
DC/DC
1
SEL BTS DEO FMI RBT MC
3634
32 35
I RED
Drive
Block
IRED/
Stepping
Motor
Current
Control
Motor or Strobo Control Block
1MC2MC3MC4SC1SC2SC3SC4
PNP Open Collector Output
NPN Open Collector Output
31
4847464543424140
IRI MGI TRI
Comparator Input
PNP Open Collector Output
NPN Open Collector Output
6 5
PNP Open Collector Output
4
Page 5
Equivalent Circuits
Description Pin No. Internal Circuit
1.5-Channel DC Motor Drive Block
MC
1~4
SC
1~4
DM
1
DM
2
DM
3
P_V
E
P_GND 7, 13, 19, 24
Stepping Motor Drive Block
MC
1~4
SC
1~4
SM
1
SM
2
SM
3
SM
4
SM
5
V
SI
P_GND 7, 13, 19, 24
IRED Drive Block
MC
1~4
SC
1~4
IRO 23
FBR 26
40~43
45~48
22
21
20
27,28
40~43
45~48
18
17
16
15
14
8, 9
40~43
45~48
MC
MC
MC
MC
SC
SC
SC
SC
P_V
E
28
27
40
MC
1
41
MC
2
MC1~MC
SC1~SC
4
DC Motor Control
4
Block
24
19137
MC
MC
SC
SC
SC
SC
42
3
43
4
45
1
46
2
47
3
48
4
P_GND
98
V
SI
40
1
41
2
MC1~MC
SC1~SC
MC
MC
MC
MC
SC
SC
SC
SC
4
Step Motor Control
4
IRI
40
1
41
2
MC1~MC
42
3
43
4
45
1
46
2
SC1~SC
47
3
48
4
Block
P_GND
31
4
4
SM
1
18 17 16
137
24
19
IRED Control Block
42
3
43
4
45
1
46
2
47
3
48
4
DM
SM
2
3
DM
3
20 21 22
SM
2
IRO
FBR
DM
SM4SM
15 14
23
26
KA3050
1
5
5
Page 6
KA3050
Equivalent Circuits (Continued)
Description Pin No. Internal Circuit
Step-up Control Block
FMI 32
V
DI
38
FMO 25
P_GND 7, 13, 19, 24
25
FMO
V
DI
38
General Buffer & Comparator Drive
Block
MC
SC
1~4
1~3
40~43
45~47
MGI 17
MGO 16
NES 2
SC
4
48
TRI 5
TRO 11
PTR 3
NEC 4
OSC 10
MC
MC
MC
MC
SC
SC
SC
S
Vref
QQR
32
VCC
FMI
12
48
11
3
4
10
MGO
SC
TRO
PTR
NEC
OSC
4
7
13
P_GND
19
24
6
MGI
2
NES
VDD*0.3
5
4
3
Buffer Control
Block
TRI
40
1
41
2
MC1~MC
42
3
43
4
45
1
46
SC1~SC
2
47
3
P_GND 7, 13, 19, 24
6
7
13
P_GND
19
24
Page 7
Absolute Maximum Ratings (Ta = 25°°°°C)
Parameter Symbol Value Unit Remark
Supply voltage V
Output current (V
Output current (V
Output current (Stepping motor) I
Output current (AE meter) I
)I
DD
)I
CC
SM1, 2, 3, 4
SM4, 5
Current (DC motor) I
Output current (IRO) I
Output current (MGO) I
MGO
Output terminal voltage V
Input terminal voltage V
Power dissipation P
Operating temperature range T
Storage temperature T
E
VDD
VCC
DM
IRO
OUT
IN
D
OPR
STG
−0.3 ~ +7.5 V
80 mA
50 mA
500 mA Within 70ms
1000 mA Within 70ms
3000 mA Within 10ms
2000 mA Within 500µs
500 mA Within 200ms
−0.3 ~ +7.5 V
−0.3 ~ +7.5 V
1.0 W
−20 ~ +50 °C
−55 ~ +125 °C
Power Dissipation Curve
KA3050
Power dissipation (W)
1.0
0.8
25 50 150
Recommended Operating Conditions (Ta = 25°°°°C)
Parameter Symbol Min. Typ. Max. Unit
Operating Supply Voltage V
E
2.0 - 7.5 V
Ambient temperature, Ta (°C)
7
Page 8
KA3050
Electrical Characteristics (Ta = 25°°°°C)
Block Parameter Symbol Condition Min. Typ. Max. Unit Notes
VE=6.0V - - 1.0 µA1
- −0.3 - 0.6 V 2
- 1.6 - 7.0 V 3
VIH=4.0V - 80 120
VIL=GND −1- 0
IL
---1.0V5
VE=2.0V,
I
=100mA
LOAD
VE=2.0V,
I
=100mA
LOAD
VE=2.0V,
I
=700mA
LOAD
VE=2.0V,
I
=1000mA
LOAD
=2.0V 39 156 313 KHz 8
E
5.35 5.5 5.65
8.3 8.6 8.9
--0.3
--0.4
=80mA 3.85 4.0 4.15
=80mA 4.85 5.0 5.15
=80mA - - 0.3 V 10
=6V 3.0 3.15 3.3
VE=6V 2.7 2.85 3.0
=6V/3V 1.5 1.65 1.8
VE=6V/3V 1.2 1.35 1.5
VE=2.0V, IOL=5mA - - 0.5 V 13
1.2 - 7.5 V 14
---0.1V15
=10µA 0.47 0.5 0.53 × V
- 1.5 - 7.5 V 17
T
---2.0
=50mA 4.85 5.0 5.15 V 19
=50mA, VCC=3V - - 0.3 V 20
1.0 - 7.5 V 21
- 1.0 - 7.5 V 22
VE=2.0V, IOL=800mA - 0.6 0.8
VE=2.0V, IOL=1000mA - 0.8 1.0
µA4
V6
V7
V9
V11
V12
E
mV/
°C
V23
Total
Step-up
&
V
DD
V
DET
RBT
V
CC
DC
MOTOR
Leakage current I
Low input voltage range V
High input voltage range V
Control input current
Min. operating voltage V
Step-up output voltage 1 V
Step-up output voltage 2 V
FMO output voltage 1 V
FMO output voltage 2 V
STB
INL
INH
I
IH
I
MIN
VDI1
VDI2
OL1
OL2
FMI step-up clock f V
V
output voltage 3 V
DD
output voltage 4 V
V
DD
Input & output potential
difference 1
VE detection voltage (1-1) V
detection voltage (1-2) V
V
E
detection voltage (2-1) V
V
E
detection voltage (2-2) V
V
E
Output saturation voltage V
Operating voltage range 1 V
Stand-by output voltage V
Output voltage in operating V
Operating voltage range 2 V
Output voltage temperature
coefficient
VCC output voltage V
Input & output potential
difference 2
Function compensation voltage
range 3
Function compensation voltage
range 4
Output voltage (PNP+NPN) 1 V
Output voltage (PNP+NPN) 2 V
VDD3IO
VDD4IO
V
SAT1IO
TH+1VE
TH-1
TH+2VE
TH-2
DEO
OPR1VE
SBT
RBT1 IOL
OPR2
V
VDD5IO
V
DAT2IO
V
OPR3VE
V
OPR4
DM1
DM2
16
18
8
Page 9
Electrical Characteristics (Continued)
Block Parameter Symbol Condition Min. Typ. Max. Unit Notes
S.M
&
AE
METER
STROBO
IRED
MG
Function compensation
voltage range 5
Output saturation voltage V
Output voltage relative error ∆V
V
voltage V
COIL
voltage STEP V
V
COIL
Function compensation
voltage range 6
TRO output voltage V
PTR output voltage V
NEC output voltage V
OSC output voltage V
NES detection voltage V
SC4 “L” level V
SC4 “H” level V
Output saturation voltage 3 V
Output current I
Operating voltage range V
MGI detection voltage V
MGO output saturation
voltage
V
OPR5
STP
COIL
COST
V
OPR6
TROIO
PTRIO
NECIO
OSCIO
NES
SOL
SOH
SAT3IOL
O
OP
MGI
V
MGOIO
VSI=V
E
VSI=3.5V,
I
=500mA
O
I
=300mA,
O
SMI1,2,3,4
1.6 - 7.5 V 24
- - 0.8 V 25
- - 0.1 V 26
VCC=5V 1.7 1.8 1.9 V
- - 190 - mV
-1.0-7.5V28
=10mA - - 0.5 V 29
=10mA - - 0.5 V 30
=10mA - - 0.5 V 31
=10mA - - 0.5 V 32
- 0.27 0.3 0.33 × V
DD
---0.3V34
-0.8--× V
DD
=1A - - 1.0 V 36
R
=0.25Ω
V
FBR
FBR
=200mV
0.72 0.8 0.88 A 37
-1.5-7.5V38
- 0.22 0.25 0.28 × V
CC
=500mA - - 0.5 V 40
KA3050
27
33
35
39
9
Page 10
KA3050
Electrical Characteristics (Continued)
Notes:
1. Define Input Current at Stand-By.
2. Define Low Level of Input Terminals.
3. Define High Level of Input Terminals.
4. Define Input Current of Each Control Input Terminals.
5. Define Min. Operating Voltage for Step-up Circuits (SEL, FMO)
6. Define Output Voltage of V
7. Define Saturation Voltage of FMO Output.
8. Define Frequency of Step-up Clock.
9. Define Output Voltage of V
10. Define Input and Output Potential Difference of V
11. Define Detection Voltage of V
12. Define Detection Voltage of V
13. Define Output Saturation Voltage of DEO.
14. Define Operating Voltage Range of V
15. Define Output Voltage at Stand-by.
16. Define RBT Output Voltage at Operating RBT Circuit.
17. Define Operating Voltage Range of RBT Circuit.
18. Define Temperature Coefficient of RBT Output Voltage.
19. Define V
Output Voltage at Connecting VSI and VE.
CC
20. Define Input and Output Potential Difference of V
21. Define Function Compensation Voltage of V
22. Define Function Compensation Voltage of DC Motor Driving Circuit.
23. Define Output Saturation Voltage ( PNP + NPN ) of DC Motor Driving Circuit.
24. Define Function Compensation Voltage of Stepping Motor and AE Meter Driving Circuit.
25. Define Output Saturation Voltage ( PNP + NPN ) at Flowing Specified Current.
26. Define Relative Error of Output Voltage at Flowing Specified Current between SM
27. Define Voltage between Both Side of V
28. Define Function Compensation Voltage of Strobo Control Circuit.
29. Define Output Saturation Voltage of TRO.
30. Define Output Saturation Voltage of PTR.
31. Define Output Saturation Voltage of NEC.
32. Define Output Saturation Voltage of OSC.
33. Define Detection Voltage of NES Voltage Detection Circuit.
34. Define Low Level of SC
35. Define High Level of SC
36. Define Output Saturation Voltage of IRED Driving Circuit.
37. Define Output Current of IRO.
38. Define Operating Voltage Range of IRED Driving Circuit.
39. Define Detection Voltage of MGI.
40. Define Output Saturation Voltage at Flowing Specified Current of MGO.
at Step-up.
DD
.
DD
Regulator.
DD
Detection Circuit. ( with Hysteresis, Using 6V Battery )
E
Detection Circuit. ( with Hysteresis, Using 6V or 3V Battery )
E
Detection Circuit.
E
Regulator.
CC
Output Circuit.
CC
.
COIL
.
4
.
4
and SM3-4.
1-2
10
Page 11
Application Information
1. Zoom And Reel Motor Drive Block (1.5-Channel Dc Motor Drive Block)
KA3050
MC1~MC
V
E
4
DC Motor Control
DM
3
20 21 22
DM
Block
SC1~SC
4
M M
This block diagram describes the driver of zoom and reel motor in camera systems.
The drive block is controlled by MC1~4 and SC1~4, which are come from micro controller.
Follow is the control logic table.
INPUT OUTPUT
MC
MC
1
MC
2
MC
3
SC
4
1
SC
2
SC
SC
3
4
LLH
LHL HL-
L
LHH LLHLH -HL
LLLL
HHL - LH
HHH - LL
2
DM
1
DM
DM
1
2
LH-
DM
3
11
Page 12
KA3050
2. Af Motor And Ae Meter Drive Block (Stepping Motor Drive Block)
MC1~MC
4
V
SI
SC1~SC
Stepping Motor
Control Block
4
The block dia gram descri bes the driver of AF motor and AE meter in camera systems.
SM
1
SM
18 17 16
2
SM
3
SM4SM
15 14
5
The drive output is selected by MC signals (MC
These MC codes are as follows.
INPUT OUTPUT
MC
1
MC
2
MC
3
LLH- - -LH
LHL- - -HL
LHH- - -LL
H
HLLLHLHHLHLHHLHHLHLLH HHHHLHL -
The output voltage (V
The V
is potential difference between drive output and ground.
COIL
) is determined by SC1~
COIL
i.e.,
= VSM - GND.
V
COIL
The V
is selected by following table.
COIL
1~4
MC
).
4
SM
1
4.
SM
2
SM
3
SM
4
SM
5
12
Page 13
KA3050
SC
1
LLLL 1.80
LLLH 1.99
L L H L 2.18
L L H H 2.37
L H L L 2.56
LHLH 2.75
L H H L 2.94
L H H H 3.13
H L L L 3.32
H L L H 3.51
HLHL 3.70
H L H H 3.89
H H L L 4.08
H H L H 4.27
HHHL 4.46
HHHH 4.65
3. Ired Drive Block
SC
INPUT
2
SC
3
SC
4
V
OUTPUT VOLTA GE [V]
COIL
IRI
31
MC1~MC
4
IRED Control Block
SC1~SC
4
The block dr ives infrared emitting diode (IRED).
The FBR voltage (V
The IRED current ( I
) is controlled by MC codes and SC codes.
FBR
) is determined by V
IRED
and resistor Rc.
FBR
IRO
FBR
IRED
23
26
RC
i.e.,
I
IRED
= V
FBR
/ R
C
13
Page 14
KA3050
The V
is controlled as following table.
FBR
MC
1
MC
2
MC
INPUT
3
MC
4
SC
1
SC
2
SC
3
SC
4
V
FBR
[mV]
LHLLLLLL 190
LLLH 210
L L H L 230
L L H H 250
L H L L 270
LHLH 290
L H H L 310
LHHH 330
HLLL 350
H L L H 370
HLHL 390
H L H H 410
H H L L 430
H H L H 450
HHHL 470
HHHH 490
4. Step-up Control Block
FMO
25
V
E
The FMO frequency from KA3050 steps up the battery voltage VE.
The FMO frequency depends on the FMI frequency, which is come from micro controller.
S
QQR
Vref
V
DI
38
32
FMI
Maximum va lue of V
i.e.,
14
is 5.5V in normal operation mode, and 8.6V in IRED operation mode.
DI
Page 15
Normal Operation Mode: VDI = 5.5V
KA3050
IRED Operation Mode: V
= 8.6V
DI
5. General Buffer And Comparator Drive Block
6
MGI
2
NES
5
TRI
MC1~MC
Buffer Control
Block
4
VDD*0.3
12
MGO
48
SC
4
V
CC
11
TRO
3
PTR
4
NEC
SC1~SC
3
The KA3050 is composed of 5 general buffers and a comparator.
This block has 10 inputs and 6 outputs.
All output are controlled by MC and SC codes except MGO.
The control codes are as follows.
INPUT OUTPUT
MC
MC
1
MC3MC4SC
2
SC
1
SC3NES TRI SC
2
L L H H/L - L/H - H - L H L H/L - L/H L H - -
LLLL
LHH---L---
HLL-H/L---H
The NES and SC
are conflict with each other, it means.
4
10
OSC
OSC NEC PTR TRO
4
H/
OPEN
NES = High → SC
NES = Low → SC
= Low
4
= High
4
15
Page 16
KA3050
The meaning of H/L in TRI signal and H/OPEN in TRO signal are as follows.
TRI = High → SC
TRI = Low → SC
= High
4
= Open
4
The OSC signal refer to following table.
V
DET1
DEO(V
) BTS OSC Step-up Circuit
DET2
H-
L
H Disable Enable
L Disable Disable
H
L Disable Disable
Open(6V)
Ground(3V)
Where,
DEO: Battery Voltage Checker, Pin 36
BTS: Battery Selector, Pin 34
Users can’t check the V
DET1
because V
is selected automatically inside the KA3050 in 6V battery usage.
DET1
But step-up circuit (SUC) can be checked by DEO signal.
Enable Enable
Enable Enable
The V
The V
and DEO have hysteresis loop as following graph.
DET1
VDET1
H
TH1
and V
L
TH2
VTH1-
refer to electrical characteristics.
VTH1+
VE[V]
DEO
H
L
VTH2-
VTH2+
VE[V]
16
Page 17
6. Other Control Blocks
The following table is description of other control blocks.
Pin No. Symbol Function
1 SEL
33 VDS
34 BTS
35 RBT V
36 DEO
37 V
39 V
DD
CC
High: KA3050 Operation
Low: KA3050 No Operation
Open: V
Ground: V
Open: V
Ground: V
RBT
= 5V
DD
DD
= 6V
E
= 3V
E
= VE / 2
= 4V
High: Sufficient Battery
Low: Insufficient Battery
4V or 5V Regulator output
5V Regulator output
KA3050
17
Page 18
KA3050
Control Code Table
MC1MC2MC3MC4SC1SC2SC3SC4DM1DM2DM3SM1SM2SM3SM4SM5OSC NEC PTR NES TR1TR0 FBR VCO
LLLL
LLLH LH----------- - -LLHL HL----------- - -LLHH LL----------- - -LHLL CODE ------------- - - LHLH
LHHL -LH---------- - -LHHH -LL---------- - -HLLL
HLLH ------LH----- - -HLHL ------HL----- - -HLHH ------LL----- - - HHLL ---LHLH------ - -HHLH ---LHHL------ - -HHHL ---HLLH------ - - HHHH ---HLHL------ - - -
LLLL
L
H
/
H
L
/
/
*
*
LLLL
LLLL
CODE
LLH*1---------H-H/L- - - LHL*1--------LH-H/L- - - LHH*1--------L---- - -HLL*1----------H-H/L
LLLL- - - - FBR 190mV - - - V
L L L H - - - - 210mV - - - 1.99V - - L L H L - - - - 230mV - - - 2.18V - - L L H H - - - - 250mV - - - 2.37V - - L H L L - - - - 270mV - - - 2.56V - - L H L H - - - - 290mV - - - 2.75V - - L H H L - - - - 310mV - - - 2.94V - - -
L
L H H H - - - - 330mV - - - 3.13V - - -
/
H L L L - - - - 350mV - - - 3.32V - - -
*
H L L H - - - - 370mV - - - 3.51V - - H L H L - - - - 390mV - - - 3.70V - - H L H H - - - - 410mV - - - 3.89V - - H H L L - - - - 430mV - - - 4.08V - - H H L H - - - - 450mV - - - 4.27V - - H H H L - - - - 470mV - - - 4.46V - - HHHH- - - - 490m V - - - 4.65V - - -
------------- - --
-HL---------- - --
------------- - --
H/OPEN
1.80V - - -
COIL
--
* mark : Detect NES signal and send a inverted signal to SC4.
Note:
18
Page 19
Test Circuits
10K
KA3050
0.25
10K
R
L
36 35 34 31 30 29 28 27 26 25
37
RRLL
SW16SW17SW18
33 32
R
L
SW15
24
10K
38
39
40
41
42
43
44
45
46
47
48
AA
VDI
I
I
VE
E
V
V
DI
1 2 3 4 5 6 7 8 9 10 11 12
SW1 SW2
R
L
R
10K
KA3050
L
10K
VSI
I
SW3 SW5SW4
A
10K 10K 10K
V
SI
LR RRLL
23
22
21
20
19
18
17
16
15
14
13
H
L
10K
H
M
10K
L
H
M
10K
L
H
M
L
H
L
H
L
10K
H
L
H
M
10K
L
H
M
L
100
100
100
100
100
A
I
IN
IN
V
19
Page 20
KA3050
Typical Application Circuits
V
E
V
E
Micro
Controller
Unit
333444
9
3937382325
NES
PTR
NEC
OSC
TRO
DM
DM
DM
SM
SM
SM
SM
SM
8
FBR
SI
26
2
3
4
10
11
20
3
21
2
22
1
14
5
15
4
16
3
17
2
18
1
Strobo Block
M
M
272829
1
5
12
31
32
33
34
35
36
40
41
42
43
45
46
47
48
730131924
IROFMO VDIVDDVCCV
SEL
TRI
MGO
IRI
FMI
VDS
BTS
KA3050
RBT
DEO
MC
1
MC
2
MC
3
MC
4
SC
1
SC
2
SC
3
SC4
GND
GND
MGI
6
20
Page 21
KA3050
21
Page 22
KA3050
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURT HER NOTICE TO ANY
PRODUCTS HEREI N TO IMPROVE RELIABILITY, FUNCTIO N OR DESIGN. FAIRCH IL D 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 IT S PATENT RIGHTS, NOR THE RIGHTS OF OTHE RS.
LIFE SUPPORT POL I CY
FAIRCHILD’S PR ODUCTS ARE NOT AUTH ORIZED FOR USE AS C RITICAL COMPONENT S IN LIFE SUPPORT DE VICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
INTERNATIONAL. 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
2. A critical component in any component of a life support
device or sy stem whose fai lure to perform can be
reasonably expec ted to cause the failur e of the life support
device or system, or to affect its safety or effec t iv ene ss .
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
www.fairchildsemi.com
12/1/00 0.0m 001
2000 Fairchild Semiconductor International
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