FAN1086M25 [ROCHESTER]

2.5 V FIXED POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSSO3, POWER, PLASTIC, TO-263, D2PAK-3;
FAN1086M25
型号: FAN1086M25
厂家: Rochester Electronics    Rochester Electronics
描述:

2.5 V FIXED POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSSO3, POWER, PLASTIC, TO-263, D2PAK-3

输出元件 调节器
文件: 总16页 (文件大小:1109K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
www.fairchildsemi.com  
FAN1086  
1.5A Adjustable/Fixed Low Dropout Linear Regulator  
Features  
Description  
• Low dropout voltage  
• Load regulation: 0.05% typical  
• Trimmed current limit  
• On-chip thermal limiting  
• Standard SOT-223, TO-263, and TO-252 packages  
• Three-terminal adjustable or fixed 2.5V, 2.85V, 3.3V, 5V  
The FAN1086 and FAN1086-2.5, -2.85, -3.3 and -5 are low  
dropout three-terminal regulators with 1.5A output current  
capability. These devices have been optimized for low voltage  
where transient response and minimum input voltage are  
critical. The 2.85V version is designed specifically to be  
used in Active Terminators for SCSI bus.  
Current limit is trimmed to ensure specified output current  
and controlled short-circuit current. On-chip thermal limiting  
provides protection against any combination of overload and  
ambient temperatures that would create excessive junction  
temperatures.  
Applications  
• Active SCSI terminators  
• High efficiency linear regulators  
• Post regulators for switching supplies  
• Battery chargers  
• 5V to 3.3V linear regulators  
• Motherboard clock supplies  
Unlike PNP type regulators where up to 10% of the output  
current is wasted as quiescent current, the quiescent current  
of the FAN1086 flows into the load, increasing efficiency.  
The FAN1086 series regulators are available in the industry-  
standard SOT-223, TO-263, and TO-252 power packages.  
Typical Applications  
FAN1086  
VIN = 3.3V  
VIN  
VOUT  
1.5V at 1.5A  
+
+
10µF  
22µF  
R1  
124Ω  
ADJ  
R2  
24.9Ω  
VOUT = VREF(1+R2/R1) + IAdj • R2  
FAN1086-2.85  
VIN VOUT  
VIN = 5V  
2.85V at 1.5A  
+
+
10µF  
22µF  
GND  
REV. 1.0.5 2/11/02  
PRODUCT SPECIFICATION  
FAN1086  
Pin Assignments  
Tab is  
VOUT  
Front View  
Tab is  
VOUT  
3
2
IN  
Tab is  
VOUT  
OUT  
1
ADJ/GND  
4-Lead Plastic SOT-223  
JC = 15°C/W*  
1
2
3
1
2
3
Θ
ADJ/  
GND  
IN  
ADJ/  
GND  
OUT  
IN  
3-Lead Plastic TO-252  
JC = 3°C/W*  
Θ
3-Lead Plastic TO-263  
JC = 3°C/W*  
Θ
*With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane, ΘJA can vary from  
30°C/W to more than 50°C/W. Other mounting techniques may provide better thermal resistance than 30°C/W.  
Absolute Maximum Ratings  
Parameter  
Min.  
Max.  
7.5  
Unit  
V
VIN  
Operating Junction Temperature Range  
Storage Temperature Range  
Lead Temperature (Soldering, 10 sec.)  
0
125  
150  
300  
°C  
°C  
°C  
-65  
2
REV. 1.0.5 2/11/02  
FAN1086  
PRODUCT SPECIFICATION  
Electrical Characteristics  
Operating Conditions: VIN 7V, TJ = 25°C unless otherwise specied.  
The denotes specications which apply over the specied operating temperature range.  
Parameter  
Conditions  
Min.  
Typ.  
Max. Units  
Reference Voltage3, VREF  
1.5V (VIN - VOUT ) 5.75V,  
10mA IOUT 1A  
1.225  
(-2%)  
1.250  
1.275  
(+2%)  
V
Output Voltage  
10mA IOUT 1A  
FAN1086-2.5, 4V VIN 7V  
FAN1086-2.85, 4.35V VIN 7V  
FAN1086-3.3, 4.8V VIN 7V  
FAN1086-5, 6.5V VIN 7V  
2.450  
2.793  
3.234  
4.900  
2.5  
2.85  
3.3  
2.550  
2.907  
3.366  
5.100  
V
V
V
V
5.0  
Line Regulation1,2  
Load Regulation1,2  
Dropout Voltage  
(VOUT + 1.5V) VIN 7V, IOUT = 10mA  
(VIN VOUT ) = 2V, 10mA IOUT 1A  
VREF = 1%, IOUT = 1.5A  
0.005  
0.05  
1.300  
2.0  
0.2  
0.5  
%
%
V
1.500  
Current Limit  
(VIN VOUT ) = 2V  
1.6  
A
Adjust Pin Current3, IAdj  
Adjust Pin Current Change3  
35  
120  
5
µA  
µA  
1.5V (VIN VOUT ) 5.75,  
10mA IOUT 1A  
0.2  
Minimum Load Current  
Quiescent Current  
Ripple Rejection  
1.5V (VIN VOUT ) 5.75  
10  
60  
mA  
mA  
dB  
VIN = VOUT + 1.25V  
4
13  
f = 120Hz, COUT = 22µF Tantalum,  
(VIN VOUT ) = 3V, IOUT = 1.5A  
72  
Thermal Regulation  
Temperature Stability  
Long-Term Stability  
RMS Output Noise  
TA = 25°C, 30ms pulse  
0.004  
0.5  
0.02  
1.0  
%/W  
%
TA = 125°C, 1000hrs.  
0.03  
0.003  
%
TA = 25°C, 10Hz f 10kHz  
%
(% of VOUT  
)
Thermal Resistance,  
Juncation to Case  
SOT-223  
15  
3
°C/W  
°C/W  
°C  
TO-263, TO-252  
Junction Temperature  
Thermal Shutdown  
155  
10  
Thermal Shutdown  
Hysteresis  
°C  
Notes:  
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are  
measured at a constant junction temperature by low duty cycle pulse testing.  
2. Line and load regulation are guaranteed up to the maximum power dissipation. Power dissipation is determined by input/  
output differential and the output current. Guaranteed maximum output power will not be available over the full input/output  
voltage range.  
3. FAN1086 only.  
REV. 1.0.5 2/11/02  
3
PRODUCT SPECIFICATION  
FAN1086  
Typical Performance Characteristics  
1.5  
1.4  
0.10  
0.05  
0
I = 1A  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0
-0.05  
-0.10  
-0.15  
-0.20  
0
0.3  
0.6  
0.9  
1.2  
1.5  
-75 -50 -25  
0
25 50 75 100 125150 175  
OUTPUT CURRENT (A)  
JUNCTION TEMPERATURE (°C)  
Figure 1. Dropout Voltage vs. Output Current  
Figure 2. Load Regulation vs. Temperature  
1.250  
1.245  
1.240  
1.235  
1.230  
1.225  
1.220  
1.215  
1.210  
1.205  
1.200  
3.70  
VOUT SET WITH 1% RESISTORS  
3.65  
VOUT = 3.6V1  
3.60  
3.55  
3.50  
3.45  
3.40  
3.35  
VOUT = 3.3V  
3.30  
3.25  
3.20  
Note:  
1. FAN1086 Only  
-75 -50 -25  
0
25 50 75 100 125150 175  
-75 -50 -25  
0
25 50 75 100 125150 175  
JUNCTION TEMPERATURE (°C)  
JUNCTION TEMPERATURE (°C)  
Figure 3. Reference Voltage vs. Temperature  
Figure 4. Output Voltage vs. Temperature  
5
4
3
2
1
0
100  
Note:  
90  
1. FAN1086 Only  
80  
70  
60  
50  
40  
30  
20  
10  
0
-75 -50 -25  
0
25 50 75 100 125150 175  
-75 -50 -25  
0
25 50 75 100 125150 175  
JUNCTION TEMPERATURE (°C)  
JUNCTION TEMPERATURE (°C)  
Figure 5. Minimum Load Current vs. Temperature  
Figure 6. Adjust Pin Current vs. Temperature  
4
REV. 1.0.5 2/11/02  
FAN1086  
PRODUCT SPECIFICATION  
Typical Performance Characteristics (continued)  
90  
80  
70  
60  
50  
2.0  
1.75  
1.5  
40  
30  
1.25  
(VIN - VOUT) = 3V  
0.5 < VRIPPLE < 2V  
IOUT = 1A  
20  
10  
0
1.0  
-75 -50 -25  
0
25 50 75 100 125150 175  
10  
100  
1K  
10K  
100K  
JUNCTION TEMPERATURE (°C)  
FREQUENCY (Hz)  
Figure 7. Short-Circuit Current vs. Temperature  
Figure 8. Ripple Rejection vs. Frequency  
10  
7.5  
5
TO-263  
SOT-223  
2.5  
0
25  
45  
65  
85  
105  
125  
CASE TEMPERATURE (°C)  
Figure 9. Maximum Power Dissipation  
REV. 1.0.5 2/11/02  
5
PRODUCT SPECIFICATION  
FAN1086  
Mechanical Dimensions  
3-Lead TO-263 Package  
Notes:  
Inches  
Millimeters  
1. Dimensions are exclusive of mold flash and metal burrs.  
Symbol  
Notes  
2. Standoff-height is measured from lead tip with ref. to Datum -B-.  
3. Foot length is measured with ref. to Datum -A- with lead surface  
(at inner R).  
4. Dimensiuon exclusive of dambar protrusion or intrusion.  
5. Formed leads to be planar with respect to one another at seating  
place -C-.  
Min.  
Max.  
Min.  
Max.  
A
.160  
.020  
.049  
.045  
.340  
.380  
.190  
.036  
.051  
.055  
.380  
.405  
4.06  
0.51  
1.25  
1.14  
8.64  
9.65  
4.83  
0.91  
1.30  
1.40  
9.65  
10.29  
b
b2  
c2  
D
E
e
.100 BSC  
2.54 BSC  
L
.575  
.090  
.017  
0°  
.625  
14.61  
2.29  
0.43  
0°  
15.88  
2.79  
1.40  
0.78  
8°  
L1  
L2  
R
.110  
.055  
.019  
8°  
α
E
@PKG/  
@HEATSINK  
L2  
c2  
D
E-PIN  
L
R (2 PLCS)  
b2  
L1  
b
e
-B- -A-  
A
-C-  
6
REV. 1.0.5 2/11/02  
FAN1086  
PRODUCT SPECIFICATION  
Mechanical Dimensions  
4-Lead SOT-223 Package  
Inches  
Millimeters  
Symbol  
Notes  
Min.  
Max.  
Min.  
Max.  
A
A1  
B
c
.071  
.181  
.033  
.090  
.264  
.148  
.124  
.041  
.287  
1.80  
4.80  
.840  
2.29  
6.71  
3.71  
3.15  
1.04  
7.29  
.025  
.640  
D
E
e
.248  
.130  
.115  
.033  
.264  
.012  
6.30  
3.30  
2.95  
.840  
6.71  
.310  
F
H
I
10°  
10°  
J
10°  
.0008  
16°  
.0040  
10°  
.0203  
16°  
.1018  
K
L
10°  
.010  
16°  
.014  
10°  
.250  
16°  
.360  
M
N
D
e
K
A
E
H
N
J
I
M
L
B
A1  
c
F
REV. 1.0.5 2/11/02  
7
PRODUCT SPECIFICATION  
FAN1086  
Mechanical Dimensions  
3-Lead TO-252 Package  
Notes:  
Inches  
Millimeters  
Symbol  
Notes  
1. Dimensions are exclusive of mold flash and metal burrs.  
Min.  
Max.  
Min.  
Max.  
2. Stand off-height is measured from lead tip with ref. to Datum -B-.  
3. Foot length is measured with ref. to Datum -A- with lead surface.  
4. Thermal pad contour optional within dimensions b3 and L3  
A
.086  
.025  
.030  
.205  
.018  
.018  
.210  
.250  
.094  
.035  
.045  
.215  
.024  
.023  
.245  
.265  
2.19  
0.64  
0.76  
5.21  
0.46  
0.46  
5.33  
6.35  
2.39  
0.89  
1.14  
5.46  
0.61  
0.58  
6.22  
6.73  
b
b2  
b3  
c
c2  
D
5. Formed leads to be planar with respect to one another at seating  
plane -C-.  
4
6. Dimensions and tolerances per ASME Y14.5M-1994.  
1
1
E
e
.090 BSC  
2.29 BSC  
H
.370  
.055  
.410  
.070  
9.40  
1.40  
10.41  
1.78  
L
3
4
L1  
L3  
L4  
.108 REF  
2.74 REF  
.035  
.025  
.080  
.040  
0.89  
0.64  
2.03  
1.02  
E
@PKG/  
@HEATSINK  
L3  
b3  
c2  
D
E-PIN  
L4  
H
b2  
L1  
L
c
b
e
α = 0°10°  
-B- -A-  
A
-C-  
8
REV. 1.0.5 2/11/02  
PRODUCT SPECIFICATION  
FAN1086  
Ordering Information  
Product Number  
FAN1086DX  
Package  
TO-252  
TO-263  
SOT-223  
TO-252  
TO-263  
SOT-223  
TO-252  
TO-263  
SOT-223  
TO-252  
TO-263  
SOT-223  
TO-252  
TO-263  
SOT-223  
FAN1086MX  
FAN1086SX  
FAN1086D25X  
FAN1086M25X  
FAN1086S25X  
FAN1086D285X  
FAN1086M285X  
FAN1086S285X  
FAN1086D33X  
FAN1086M33X  
FAN1086S33X  
FAN1086D5X  
FAN1086M5X  
FAN1086S5X  
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  
FAIRCHILDS 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.  
www.fairchildsemi.com  
2/11/02 0.0m 004  
Stock#DS30001117  
2001 Fairchild Semiconductor Corporation  
Product Folder - Fairchild P/N FAN1086x285 - 1.5A Fixed 2.85V Low Dropout Voltage Regulator (LDO)  
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The FAN1086 and FAN1086-2.5,-2.85,-3.3  
and -5 are low dropout three-terminal  
regulators with 1.5A output current  
capability.These devices have been optimized  
for low voltage where transient response and  
minimum input voltage are critical.The 2.85V  
version is designed specifically to be used in  
Active Terminators for SCSI bus.  
This pagePrint version  
Dotted line  
Design tools  
technical information  
buy products  
Current limit is trimmed to ensure specified  
output current and controlled short-circuit  
current. On-chip thermal limiting provides  
protection against any combination of overload  
and ambient temperatures that would create  
excessive junction temperatures.  
technical support  
my Fairchild  
company  
Unlike PNP type regulators where up to 10%  
of the output current is wasted as quiescent  
current,the quiescent current of the FAN1086  
flows into the load, increasing efficiency.  
The FAN1086 series regulators are available in  
the industry standard SOT-223,TO-263,and TO-  
252 power packages.  
back to top  
Features  
file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1086x285.html (1 of 2) [Jul/26/2002 4:26:20 PM]  
 
Product Folder - Fairchild P/N FAN1086x285 - 1.5A Fixed 2.85V Low Dropout Voltage Regulator (LDO)  
Low dropout voltage  
Load regulation: 0.05% typical  
Trimmed current limit  
On-chip thermal limiting  
Standard SOT-223, TO-263 and TO-252  
packages  
Three-terminal adjustable or fixed 2.5V,  
2.85V, 3.3V, 5V  
back to top  
Applications  
Active SCSI terminators  
High efficiency linear regulators  
Post regulators for switching supplies  
Battery chargers  
5V to 3.3V linear regulators  
Motherboard clock supplies  
back to top  
Product status/pricing/packaging  
Packing  
method  
Product  
Product status Pricing* Package type Leads Package marking  
$Y&Z&2&T  
1086M285  
C
FAN1086M285 Full Production $0.486 TO-263(D2PAK)  
3
4
3
RAIL  
$Y&Z&2&T  
1086S285  
TAPE  
REEL  
SOT-223  
FAN1086S285X Full Production $0.457  
FAN1086D285X Full Production $0.486  
$Y&Z&2&T  
1086D285  
C
TAPE  
REEL  
TO-252(DPAK)  
$Y&Z&2&T  
1086M285  
C
TAPE  
REEL  
FAN1086M285X Full Production $0.486 TO-263(D2PAK)  
* 1,000 piece Budgetary Pricing  
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Product Folder - Fairchild P/N FAN1086x25 - 1.5A Fixed 2.5V Low Dropout Voltage Regulator (LDO)  
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1.5A Fixed 2.5V Low Dropout Voltage  
Regulator (LDO)  
Analog and Mixed  
Signal  
Discrete  
Interface  
Logic  
Microcontrollers  
Non-Volatile  
Memory  
Optoelectronics  
Markets and  
applications  
New products  
Product selection and  
parametric search  
Cross-reference  
search  
Request samples  
Dotted line  
How to order products  
Datasheet  
Download this  
datasheet  
Contents  
Dotted line  
General description | Features | Applications |  
Product status/pricing/packaging  
Product Change Notices  
(PCNs)  
PDF  
Dotted line  
Support  
Dotted line  
Distributor and field sales  
representatives  
General description  
e-mail this datasheet  
[E-  
Dotted line  
Quality and reliability  
The FAN1086 and FAN1086-2.5,-2.85,-3.3  
and -5 are low dropout three-terminal  
regulators with 1.5A output current  
capability.These devices have been optimized  
for low voltage where transient response and  
minimum input voltage are critical.The 2.85V  
version is designed specifically to be used in  
Active Terminators for SCSI bus.  
This pagePrint version  
Dotted line  
Design tools  
technical information  
buy products  
Current limit is trimmed to ensure specified  
output current and controlled short-circuit  
current. On-chip thermal limiting provides  
protection against any combination of overload  
and ambient temperatures that would create  
excessive junction temperatures.  
technical support  
my Fairchild  
company  
Unlike PNP type regulators where up to 10%  
of the output current is wasted as quiescent  
current,the quiescent current of the FAN1086  
flows into the load, increasing efficiency.  
The FAN1086 series regulators are available in  
the industry standard SOT-223,TO-263,and TO-  
252 power packages.  
back to top  
Features  
file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1086x25.html (1 of 2) [Jul/26/2002 4:26:24 PM]  
 
Product Folder - Fairchild P/N FAN1086x25 - 1.5A Fixed 2.5V Low Dropout Voltage Regulator (LDO)  
Low dropout voltage  
Load regulation: 0.05% typical  
Trimmed current limit  
On-chip thermal limiting  
Standard SOT-223, TO-263 and TO-252  
packages  
Three-terminal adjustable or fixed 2.5V,  
2.85V, 3.3V, 5V  
back to top  
Applications  
Active SCSI terminators  
High efficiency linear regulators  
Post regulators for switching supplies  
Battery chargers  
5V to 3.3V linear regulators  
Motherboard clock supplies  
back to top  
Product status/pricing/packaging  
Packing  
method  
Product  
Product status Pricing* Package type Leads Package marking  
$Y&Z&2&T  
1086M25  
C
FAN1086M25X Full Production $0.486 TO-263(D2PAK)  
3
3
TAPE REEL  
TAPE REEL  
$Y&Z&2&T  
1086D25  
C
TO-252(DPAK)  
FAN1086D25X Full Production $0.486  
$Y&Z&2&T  
1086M25  
C
FAN1086M25 Full Production $0.486 TO-263(D2PAK)  
3
4
RAIL  
$Y&Z&2&T  
1086S25  
SOT-223  
FAN1086S25X Full Production $0.457  
* 1,000 piece Budgetary Pricing  
TAPE REEL  
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Product Folder - Fairchild P/N FAN1086x33 - 1.5A Fixed 3.3V Low Dropout Voltage Regulator (LDO)  
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1.5A Fixed 3.3V Low Dropout Voltage  
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The FAN1086 and FAN1086-2.5,-2.85,-3.3  
and -5 are low dropout three-terminal  
regulators with 1.5A output current  
capability.These devices have been optimized  
for low voltage where transient response and  
minimum input voltage are critical.The 2.85V  
version is designed specifically to be used in  
Active Terminators for SCSI bus.  
This pagePrint version  
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Design tools  
technical information  
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Current limit is trimmed to ensure specified  
output current and controlled short-circuit  
current. On-chip thermal limiting provides  
protection against any combination of overload  
and ambient temperatures that would create  
excessive junction temperatures.  
technical support  
my Fairchild  
company  
Unlike PNP type regulators where up to 10%  
of the output current is wasted as quiescent  
current,the quiescent current of the FAN1086  
flows into the load, increasing efficiency.  
The FAN1086 series regulators are available in  
the industry standard SOT-223,TO-263,and TO-  
252 power packages.  
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Features  
file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1086x33.html (1 of 2) [Jul/26/2002 4:26:29 PM]  
 
Product Folder - Fairchild P/N FAN1086x33 - 1.5A Fixed 3.3V Low Dropout Voltage Regulator (LDO)  
Low dropout voltage  
Load regulation: 0.05% typical  
Trimmed current limit  
On-chip thermal limiting  
Standard SOT-223, TO-263 and TO-252  
packages  
Three-terminal adjustable or fixed 2.5V,  
2.85V, 3.3V, 5V  
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Applications  
Active SCSI terminators  
High efficiency linear regulators  
Post regulators for switching supplies  
Battery chargers  
5V to 3.3V linear regulators  
Motherboard clock supplies  
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Product status/pricing/packaging  
Packing  
method  
Product  
Product status Pricing* Package type Leads Package marking  
$Y&Z&2&T  
1086D33  
C
TO-252(DPAK)  
FAN1086D33X Full Production $0.486  
3
TAPE REEL  
$Y&Z&2&T  
1086M33  
C
FAN1086M33 Full Production $0.486 TO-263(D2PAK)  
3
4
3
RAIL  
$Y&Z&2&T  
1086S33  
SOT-223  
FAN1086S33X Full Production $0.457  
TAPE REEL  
TAPE REEL  
$Y&Z&2&T  
1086M33  
C
FAN1086M33X Full Production $0.486 TO-263(D2PAK)  
* 1,000 piece Budgetary Pricing  
back to top  
Home | Find products | Technical information | Buy products |  
Support | Company | Contact us | Site index | Privacy policy  
© Copyright 2002 Fairchild Semiconductor  
file:///H|/imaging/BITTING/cpl/20020725_1/07252002_10/FAIR/07252002/FAN1086x33.html (2 of 2) [Jul/26/2002 4:26:29 PM]  

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