SPX2815AR-2-5 [SIPEX]

1.5A Low Dropout Voltage Regulator; 1.5A低压差稳压器
SPX2815AR-2-5
型号: SPX2815AR-2-5
厂家: SIPEX CORPORATION    SIPEX CORPORATION
描述:

1.5A Low Dropout Voltage Regulator
1.5A低压差稳压器

稳压器 电源电路
文件: 总10页 (文件大小:180K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
SPX2815  
1.5A Low Dropout Voltage Regulator  
APPLICATIONS  
FEATURES  
Desktop PCs, Servers  
Powering VGA and Sound Cards  
Cordless Phones  
Guaranteed 1.5A Output Current  
Three Terminal Adjustable or Fixed  
2.5V, 3.3V and 5.0V  
Low Quiescent Current  
Battery Chargers  
Low Dropout Voltage of 1.1V @ 1.5A  
0.1% Line and 0.1% Load Regulation  
Stable with 10uF Ceramic Capacitor  
Overcurrent and Thermal Protection  
Available Packages: TO-252,  
TO-220, and TO-263  
Adjustable Power Supplies  
Portable Instrumentation  
SMPS Post-Regulator  
Constant Current Regulators  
Disk Drives  
Refer to Page 5 for Pinouts  
Similar to Industry Standard LT1086/  
Now Available in Lead Free Packaging  
LT1586  
DESCRIPTION  
The SPX2815 is a low power positive-voltage regulator designed to satisfy moderate power  
requirements with a cost effective, small footprint solution. This device is an excellent choice for  
use in battery-powered applications and portable computers. The SPX2815 features very low  
quiescent current and a low dropout voltage of 1.1V at a full load. As output current decreases,  
quiescent current flows into the load, increasing efficiency. SPX2815 is available in adjustable  
or fixed 2.5V, 3.3V and 5.0V output voltages.  
TheSPX2815isofferedinseveral3-pinsurfacemountpackages:TO-252,TO-220andTO-263.  
An output capacitor of 10μF ceramic or tantalum provides unconditional stability.  
FUNCTIONAL DIAGRAM (Adjustable)  
V
IN  
+
-
Current Limit  
V
OUT  
ICL  
_
AMP  
+
1.25V  
V
REF  
+
Thermal Limit  
ADJ/GND  
~
IADJ 50μA  
I TL  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
1
ABSOLUTE MAXIMUM RATINGS  
Operating Junction Temperature Range.....-40°C to +125°C  
Input Supply Voltage .................................................... +10V  
Input to Output Voltage ................................................ +8.8V  
ESD Rating .............................................................. 2kV min  
Power Dissipation.......................................Internally Limited  
Lead Temperature (soldering, 5 seconds) ...............260°C  
Storage Temperature Range.......................-65°C to +150°C  
ELECTRICAL CHARACTERISTICS  
at VIN=VOUT + 1.5V, TA = 25°C, CIN = COUT = 10μF, IOUT =10mA, unless otherwise specified. The Boldface applies over the  
full operating temperature range.  
PARAMETER  
MIN  
TYP  
MAX MIN  
TYP  
MAX  
UNITS  
CONDITIONS  
2.5V Version  
SPX2815A  
SPX2815  
Output Voltage  
2.475 2.500  
2.525 2.450 2.500  
2.550  
V
IOUT = 10mA, VIN =4.5V  
2.450  
2.550 2.425  
2.575  
10mA IOUT 1.5A, 4.25V VIN 10V  
3.30V Version  
Output Voltage  
3.267 3.300  
3.333 3.234 3.300  
3.366  
V
V
IOUT = 10mA, VIN =5V  
3.234  
3.366 3.201  
3.399  
10mA IOUT 1.5A, 4.75V VIN 10V  
5.0V Version  
Output Voltage  
4.950 5.000  
5.050 4.900 5.000  
5.100  
IOUT=10mA, VIN=7V  
4.900  
5.100 4.850  
5.150  
10mA IOUT 1.5A, 6.50V VIN 10V  
All Voltage Options  
Reference Voltage  
1.238 1.250  
1.262 1.225 1.250  
1.275  
V
IOUT=10mA, (VIN - VOUT )= 2V  
1.225  
1.275 1.212  
1.287  
10mAIOUT1.5A, 1.5V(VIN-VOUT)10V  
Output Voltage  
0.3  
0.5  
%
%
Temperature Stability  
Line Regulation  
0.1  
0.1  
0.1  
0.2  
0.2  
0.2  
0.1  
0.1  
0.1  
0.2  
0.2  
0.2  
4.25VVIN10V,VOUT=2.5V,IOUT=10mA  
4.75VVIN10V,VOUT=3.3V,IOUT=10mA  
6.50VVIN10V,VOUT=5.0V,IOUT=10mA  
Load Regulation  
0.1  
0.1  
0.1  
0.3  
0.3  
0.3  
0.1  
0.1  
0.1  
0.3  
0.3  
0.3  
%
V
10mAIOUT1.5A, VOUT=2.5V  
10mAIOUT1.5A, VOUT=3.3V  
10mAIOUT1.5A, VOUT=5.0V  
Dropout Voltage  
(Note 2)  
1.00  
1.10  
1.00  
1.10  
IOUT=0.5A  
IOUT=1.5A  
1.2  
10  
1.2  
10  
Quiescent Current  
Adjust Pin Current  
Current Limit  
4
50  
4
mA  
μA  
A
Fixed voltage versions  
120  
50  
120  
2.5  
2.5  
60  
(VIN-VOUT)=5V  
Thermal Regulation  
Ripple Rejection  
0.01  
0.1  
0.01  
75  
0.1  
%/W  
dB  
25°C, 30mS pulse  
60  
75  
fRIPPLE=120Hz, (VIN-VOUT)=2V,  
VRIPPLE=1VPP  
Long Term Stability  
RMS Output Noise  
Thermal Resistance  
0.03  
0.03  
%
125°C, 1000Hrs  
0.003  
0.003  
%
% of VOUT, 10Hzf10kHz  
3
29.3  
3
3
29.3  
3
°C/W  
TO-220 Junction to Case, at Tab  
TO-220 Junction to Ambient  
TO-263 Junction to Case, at Tab  
TO-263 Junction to Ambient  
TO-252 Junction to Case, at Tab  
TO-252 Junction to Ambient  
31.4  
6
31.4  
6
50  
50  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
2
TYPICAL PERFORMANCE CHARACTERISTICS  
1.275  
1.27  
3.325  
3.320  
3.315  
3.310  
3.305  
3.300  
1.265  
1.25v Adj  
1.26  
1.255  
1.25  
1.245  
1.24  
1.235  
1.23  
1.225  
4.5  
6.5  
8.5  
10.5  
Vin (V)  
12.5  
14.5  
-50  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
Temp (C)  
Figure 1. Line Regulation for SPX2815U-3.3; IOUT=10mA  
Figure 2. VOUT vs Temperature, VIN=2.5V, IOUT=10mA  
3.38  
2.55  
2.54  
2.53  
2.52  
2.51  
2.5  
2.5v Adj  
3.3v Adj  
3.3v Fixed  
3.36  
3.34  
2.5v Fixed  
3.32  
3.3  
2.49  
2.48  
2.47  
2.46  
2.45  
3.28  
3.26  
-50  
-50  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
-30  
-10  
10  
30  
50  
70  
90  
110  
130  
Temp (C)  
Temp (C)  
Figure 3. VIN=4.0V, IOUT=10mA  
Figure 4. VIN=5.0V, IOUT=10mA  
APPLICATION INFORMATION  
Output Capacitor  
tions. Special care needs to be taken during  
continuous load conditions such that the maxi-  
mum junction temperature does not exceed  
125°C.Thermalprotectionisactivatedat>179°C  
and deactiviated at <165°C.  
To ensure the stability of the SPX2815, an  
output capacitor of at least 10μF (ceramic or  
tantalum) or 22μF (aluminum) is required. The  
value may change based on the application  
requirements of the output load or temperature  
range. The value of Equivalent Series Resis-  
tance (ESR) can vary based on the type of  
capacitor used in the applications to guarantee  
stability. The recommended value for ESR is  
0.5Ω or less. A larger value of output capaci-  
tance (up to 100μF) can improve the load tran-  
sient response.  
The thermal interaction from other components  
in the application can affect the thermal resis-  
tance of the SPX2815. The actual thermal  
resistance can be determined with experimenta-  
tion.  
SPX2815 power dissipation is calculated as  
follows:  
PD = (VIN - VOUT)(IOUT  
)
Soldering Methods  
TheSPX2815dieisattachedtotheheatsinklead  
whichexitsoppositetheinput,output,andground  
pins.  
Maximum Junction Temperature range:  
TJ = TA(max) + PD* θJA (thermal resistance,  
junction-to-ambient)  
Thermal Characteristics  
Maximum junction temperature must not ex-  
ceed 125°C.  
The SPX2815 features internal thermal limiting  
to protect the device during overload condi-  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
3
APPLICATION INFORMATION: Continued  
Ripple Rejection  
Ripple rejection for the adjustable version is  
shown in Figure 5.  
Ripple rejection can be improved by adding a  
capacitor between the ADJ pin and ground as  
shown in Figure 8. When ADJ pin bypassing is  
used, the value of the output capacitor required  
increases to its maximum. If the ADJ pin is not  
bypassed, the value of the output capacitor can  
be lowered to 22μF for an electrolytic aluminum  
capacitor or 10μF for a solid tantalum capacitor  
(Fig 7). However, the value of the ADJ-bypass  
capacitor should be chosen with respect to the  
following equation:  
Output Voltage  
The output of the adjustable regulator can be set  
to any voltage between 1.25V and 15V. The  
valueofVOUT canbequicklyapproximatedusing  
the formula  
VOUT=1.25 *(R1 + R2)/R1  
A small correction to this formula is required  
depending on the values of resistors R1 and R2,  
since the adjustable pin current (approx 50μA)  
flows through R2. When IADJ is taken into ac-  
count, the formula becomes  
_______1______-_  
C =  
( 6.28 * FR * R1 )  
Where  
C = value of the capacitor in Farads  
(select an equal or larger standard value),  
FR = ripple frequency in Hz,  
R1 = value of resistor R1 in Ohms.  
VOUT = VREF(1+ (R2/R1)) + IADJ * R2  
where  
VREF=1.25V  
If an ADJ-bypass capacitor is used, the ampli-  
tude of the output ripple will be independent of  
the output voltage. If an ADJ-bypass capacitor  
is not used, the output ripple will be proportional  
to the ratio of the output voltage to the reference  
voltage:  
Layout Considerations  
Parasitic line resistance can degrade load regu-  
lation. In order to avoid this, connect R1 directly  
to VOUT as illustrated in Figure 13. For the same  
reason, R2 should be connected to the negative  
side of the load.  
M = VOUT / VREF  
Where M = multiplier for the ripple seen when  
the ADJ pin is optimally bypassed.  
VREF =1.25V  
0
-10  
-20  
-30  
-40  
-50  
-60  
-70  
-80  
-90  
V IN  
SPX2815  
VOUT  
IN  
OUT  
+
4.7μF  
C1  
C 2  
ADJ  
R1  
IOUT  
VREF  
R1  
LOAD  
IOUT  
=
10  
100  
1000  
10000  
100000  
1000000  
Frequency, Hz  
Figure 6. Current Source  
Figure 5. Ripple Rejection; Vin=3.3V, Vout=1.8V (adj.),  
Iload=200mA  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
4
APPLICATION INFORMATION: Continued  
SPX2815  
(Note A)  
V IN  
5V  
IN  
OUT  
VOUT  
+
VIN  
VOUT  
SPX2815  
4.7μF  
OUT  
ADJ  
IN  
R1  
330Ω  
1%  
+
C2  
C1  
4.7μF  
VREF  
R1  
R2  
ADJ  
IADJ  
10μF  
50μA  
R2  
+
C1  
10μF*  
1kΩ,  
*C 1 improves ripple rejection.  
VOUT = V  
) +I  
ADJ R 2  
REF (1+R 2 /R1  
1%  
Z
C should be ~ R1 at ripple frequency  
OUT ) + (V DROPOUT (MAX)  
V = (Intended V  
IN(MIN)  
)
Note A:  
Figure 7. Typical Adjustable Regulator  
Figure 8. Improving Ripple Rejection  
R
P Parasitic Line  
Resistance  
SPX2815  
VIN  
(Note A)  
OUT  
5V  
IN  
VIN  
VOUT  
SPX2815  
313%0W  
ADJ  
+
ADJ  
+
4.7μF  
10μF  
to  
Connect R  
1K  
R 1  
R 2  
TTL  
Input  
Case of Regulator  
2N3904  
1kΩ  
Connect R2  
to Load  
1%  
1k  
R L  
Note A:  
V
IN(MIN) = (Intended VOUT ) + (V  
)
DROPOUT (MAX)  
Figure 9. 5V Regulator with Shutdown  
Figure 10. Recommended Connections for Best Results  
PINOUTS  
TO-220-3 (U)  
TO-263-3 (T)  
TO-252 (R)  
1
2
3
2
1
3
1
2
3
ADJ/GND  
VOUT  
VIN  
ADJ/GND  
VOUT  
VIN  
Front View  
Top View  
ADJ/GND  
VOUT  
VIN  
Front View  
Note: Tab is connected to Pin 2 (Vout)  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
5
PACKAGE: 3 PIN TO-263  
E
Seating  
Plane  
A
E/2  
C2  
L1  
SIDE VIEW  
H
D
Chamfer  
Optional  
1
2
3
c
e
See Detail C  
b
b2  
Gauge Plane  
Seating  
Plane  
FRONT VIEW  
θ
L3  
A1  
L
DETAIL C  
Thermal  
Pad  
3 Pin TO-263 JEDEC TO-263  
Variation AA  
Millimeters  
Conversion Factor:  
1 Inch = 25.40 mm  
(L1)  
Inches  
Controlling Dimension  
SYMBOL  
MIN  
NOM  
-
-
-
-
-
-
-
MAX  
0.190  
0.010  
0.039  
0.070  
0.029  
0.065  
0.380  
-
MIN  
4.06  
0.00  
0.51  
1.14  
0.38  
1.14  
8.38  
6.86  
9.65  
6.22  
NOM  
-
-
-
-
-
-
-
MAX  
D1  
A
A1  
b
b2  
c
c2  
D
D1  
E
0.160  
0.000  
0.020  
0.045  
0.015  
0.045  
0.330  
0.270  
0.380  
0.245  
4.83  
0.25  
0.99  
1.78  
0.74  
1.65  
9.65  
-
-
-
-
-
-
-
0.420  
-
10.67  
-
E1  
e
.100 BSC  
2.54 BSC  
H
L
L1  
L3  
O
0.575  
0.070  
-
-
-
-
0.625  
0.110  
0.066  
14.61  
1.78  
-
-
-
-
15.88  
2.79  
1.68  
BACK  
VIEW  
.010 BSC  
-
0.25 BSC  
-
0˚  
8˚  
0˚  
8˚  
E1  
SIPEX Pkg Signoff Date/Rev:  
JL Aug5-05 / Rev A  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
6
PACKAGE: 3 PIN TO-220  
Thermal  
Pad  
E
E2  
øP  
Q
(H1)  
D2  
D
D1  
1
L1  
FRONT  
VIEW  
b2  
BACK  
VIEW  
L
e1  
E1  
e
b
Seating  
Plane  
A
3 Pin TO-220  
JEDEC TO-220  
Variation AB  
Dimensions in Millimeters:  
Conversion Factor:  
A1  
Dimensions in Inches:  
Controlling Dimension  
SYMBOL  
1 Inch = 25.40 mm  
MIN  
0.140  
0.020  
0.080  
0.015  
0.045  
0.014  
0.560  
0.330  
0.480  
0.380  
0.270  
-
NOM  
-
-
-
0.027  
0.057  
-
-
-
-
-
-
MAX  
0.190  
0.055  
0.115  
0.040  
0.070  
0.024  
0.650  
0.355  
0.507  
0.420  
0.350  
0.030  
MIN  
3.56  
0.51  
2.03  
0.25  
1.14  
0.25  
14.22  
8.38  
12.19  
9.65  
6.86  
-
NOM  
-
-
-
0.51  
1.45  
-
-
-
-
-
-
MAX  
4.83  
1.27  
2.79  
1.02  
1.78  
0.51  
16.51  
8.89  
12.70  
10.67  
8.89  
0.76  
H1  
A
A1  
A2  
b
b2  
c
SIDE  
VIEW  
Chamfer  
Optional  
D
D1  
D2  
E
E1  
E2  
e
-
-
.100 BSC  
2.54 BSC  
e1  
H1  
L
L1  
ΦP  
Q
.200 BSC  
5.08 BSC  
0.230  
0.500  
-
0.139  
0.100  
-
-
-
-
-
0.270  
0.580  
0.250  
0.161  
0.135  
5.84  
12.70  
-
3.30  
2.54  
-
-
-
-
-
6.86  
14.73  
6.35  
4.06  
3.30  
C
A2  
SIPEX Pkg Signoff Date/Rev:  
JL Aug4-05 / Rev A  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
7
PACKAGE: 3 PIN TO-252  
E1  
E
b3  
L3  
D1  
D
H
1
2
3
(L1)  
L4  
L5  
BACK VIEW  
e
b
θ1  
FRONT VIEW  
b2  
SIDE VIEW  
L
Gauge  
Plane  
A
Seating Plane  
C2  
L2  
θ
c
A1  
3 Pin TO-252  
JEDEC TO-252  
Variation AA  
Dimensions in Millimeters  
Conversion Factor:  
1 Inch = 25.40 mm  
Dimensions in Inches:  
Controlling Dimension  
SYMBOL  
MIN  
0.086  
-
0.025  
0.030  
0.195  
0.018  
0.018  
0.235  
NOM  
-
-
-
-
-
-
-
MAX  
MIN  
2.18  
-
0.64  
0.76  
4.95  
0.46  
0.46  
5.97  
NOM  
-
-
-
-
-
-
-
MAX  
2.39  
0.13  
0.89  
1.14  
5.46  
0.61  
0.89  
6.22  
A
A1  
b
b2  
b3  
c
c2  
D
0.094  
0.005  
0.035  
0.045  
0.215  
0.024  
0.035  
0.245  
0.240  
6.10  
D1  
0.205  
-
-
5.21  
-
-
E
E1  
e
0.250  
0.170  
-
-
0.265  
-
6.35  
4.32  
-
-
6.73  
-
.090 BSC  
2.29 BSC  
H
L
0.370  
0.055  
-
0.410  
0.070  
9.4  
1.4  
-
10.41  
1.78  
0.060  
1.52  
L1  
L2  
L3  
L4  
L5  
ø
.108 REF  
.020 BSC  
2.74 REF  
0.51 BSC  
0.035  
-
0.045  
0º  
-
-
-
-
-
0.050  
0.040  
0.060  
10º  
0.89  
-
1.14  
0º  
-
-
-
-
-
1.27  
1.02  
1.52  
10º  
ø1  
0º  
15º  
0º  
15º  
SIPEX Pkg Signoff Date/Rev:  
JL Aug4-05/Rev A  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
8
ORDERING INFORMATION  
PART NUMBERS  
ACC.  
TOP MARK  
OUTPUT VOLTAGE  
PACKAGE  
SPX2815AR ............................. 1% .......... SPX2815ARYYWW..............Adj.................. 3 lead TO-252  
SPX2815AR/TR ....................... 1% .......... SPX2815ARYYWW..............Adj.................. 3 lead TO-252  
SPX2815AR-2-5 ...................... 1% ......... SPX2815AR25YYWW...........2.5V ................ 3 lead TO-252  
SPX2815AR-2-5/TR ................. 1% ......... SPX2815AR25YYWW...........2.5V ................ 3 lead TO-252  
SPX2815AR-3-3 ...................... 1% ......... SPX2815AR33YYWW...........3.3V ................ 3 lead TO-252  
SPX2815AR-3-3/TR ................. 1% ......... SPX2815AR33YYWW...........3.3V ................ 3 lead TO-252  
SPX2815AR-5-0 ...................... 1% ......... SPX2815AR50YYWW...........5.0V ................ 3 lead TO-252  
SPX2815AR-5-0/TR ................. 1% ......... SPX2815AR50YYWW...........5.0V ................ 3 lead TO-252  
SPX2815AT ............................. 1% ........... SPX2815ATYYWW..............Adj .................. 3 lead TO-263  
SPX2815AT/TR ....................... 1% ........... SPX2815ATYYWW..............Adj .................. 3 lead TO-263  
SPX2815AT-2-5 ....................... 1% ......... SPX2815AT25YYWW...........2.5V ................ 3 lead TO-263  
SPX2815AT-2-5/TR ................. 1% ......... SPX2815AT25YYWW...........2.5V ................ 3 lead TO-263  
SPX2815AT-3-3 ....................... 1% ......... SPX2815AT33YYWW...........3.3V ................ 3 lead TO-263  
SPX2815AT-3-3/TR ................. 1% ......... SPX2815AT33YYWW...........3.3V ................ 3 lead TO-263  
SPX2815AT-5-0 ....................... 1% ......... SPX2815AT50YYWW...........5.0V ................ 3 lead TO-263  
SPX2815AT-5-0/TR ................. 1% ......... SPX2815AT50YYWW...........5.0V ................ 3 lead TO-263  
SPX2815AU ............................. 1% .......... SPX2815AUYYWW..............Adj.................. 3 lead TO-220  
SPX2815AU-2-5 ...................... 1% ......... SPX2815AU25YYWW...........2.5V ................ 3 lead TO-220  
SPX2815AU-3-3 ...................... 1% ......... SPX2815AU33YYWW...........3.3V ................ 3 lead TO-220  
SPX2815AU-5-0 ...................... 1% ......... SPX2815AU50YYWW...........5.0V ................ 3 lead TO-220  
Available in lead free packaging. To order add “-L” suffix to part number.  
Example: SPX2815AU-5-0 = standard; SPX2815AU-L -5-0/TR = lead free.  
Pack quantity is 500 for TO-263 and 2,000 for TO-252.  
/TR = Tape and Reel  
Sipex Corporation  
Headquarters and  
Sales Office  
233 South Hillview Drive  
Milpitas, CA 95035  
TEL: (408) 934-7500  
Solved By SipexTM  
FAX: (408) 935-7600  
Sipex Corporation reserves the right to make changes to any products described herein. Sipex 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.  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
9
ORDERING INFORMATION  
SPX2815R ............................... 2% ............ SPX2815RYYWW..............Adj ................... 3 lead TO-252  
SPX2815R/TR ......................... 2% ............ SPX2815RYYWW..............Adj ................... 3 lead TO-252  
SPX2815R-2-5 ......................... 2% .......... SPX2815R25YYWW...........2.5V ................. 3 lead TO-252  
SPX2815R-2-5/TR ................... 2% .......... SPX2815R25YYWW...........2.5V ................. 3 lead TO-252  
SPX2815R-3-3 ......................... 2% .......... SPX2815R33YYWW...........3.3V ................. 3 lead TO-252  
SPX2815R-3-3/TR ................... 2% .......... SPX2815R33YYWW...........3.3V ................. 3 lead TO-252  
SPX2815R-5-0 ......................... 2% .......... SPX2815R50YYWW...........5.0V ................. 3 lead TO-252  
SPX2815R-5-0/TR ................... 2% .......... SPX2815R50YYWW...........5.0V ................. 3 lead TO-252  
SPX2815T................................ 2% ............ SPX2815TYYWW..............Adj ................... 3 lead TO-263  
SPX2815T/TR .......................... 2% ............ SPX2815TYYWW..............Adj ................... 3 lead TO-263  
SPX2815T-2-5 ......................... 2% .......... SPX2815T25YYWW...........2.5V ................. 3 lead TO-263  
SPX2815T-2-5/TR ................... 2% .......... SPX2815T25YYWW...........2.5V ................. 3 lead TO-263  
SPX2815T-3-3 ......................... 2% .......... SPX2815T33YYWW...........3.3V ................. 3 lead TO-263  
SPX2815T-3-3/TR ................... 2% .......... SPX2815T33YYWW...........3.3V ................. 3 lead TO-263  
SPX2815T-5-0 ......................... 2% .......... SPX2815T50YYWW...........5.0V ................. 3 lead TO-263  
SPX2815T-5-0/TR ................... 2% .......... SPX2815T50YYWW...........5.0V ................. 3 lead TO-263  
SPX2815U ............................... 2% ............ SPX2815UYYWW..............Adj ................... 3 lead TO-220  
SPX2815U-2-5 ......................... 2% .......... SPX2815U25YYWW...........2.5V ................. 3 lead TO-220  
SPX2815U-3-3 ......................... 2% .......... SPX2815U33YYWW...........3.3V ................. 3 lead TO-220  
SPX2815U-5-0 ......................... 2% .......... SPX2815U50YYWW...........5.0V ................. 3 lead TO-220  
Available in lead free packaging. To order add “-L” suffix to part number.  
Example: SPX2815U-5-0 = standard; SPX2815U-L -5-0/TR = lead free.  
Pack quantity is 500 for TO-263 and 2,000 for TO-252.  
/TR = Tape and Reel  
Sipex Corporation  
Headquarters and  
Sales Office  
233 South Hillview Drive  
Milpitas, CA 95035  
TEL: (408) 934-7500  
FAX: (408) 935-7600  
Sipex Corporation reserves the right to make changes to any products described herein. Sipex 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.  
Date: 6/21/06 Rev C  
SPX2815 1.5A Low Dropout Voltage Regulator  
© 2006 Sipex Corporation  
10  

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