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SPX1085 데이터시트 PDF




Sipex에서 제조한 전자 부품 SPX1085은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 SPX1085 기능
기능 3A Low Dropout Voltage Regulator
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SPX1085 데이터시트, 핀배열, 회로
SPX1085
3A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES
Adjustable Output Down To 1.2V
Fixed Output Voltages 1.5, 2.5, 3.3, 5.0V
Output Current Of 3A
Low Dropout Voltage 1.1V Typ.
Extremely Tight Load And Line Regulation
Current & Thermal Limiting
Standard 3-Terminal Low Cost TO-220, TO-263 & TO-252
Similar To Industry Standard LT1085/LT1585
APPLICATIONS
Powering VGA & Sound Card
Power PCSupplies
SMPS Post-Regulator
High Efficiency “Green” Computer Systems
High Efficiency Linear Power Supplies
Portable Instrumentation
Constant Current Regulators
Adjustable Power Supplies
Battery charger
PRODUCT DESCRIPTION
The SPX1085 are low power 3A adjustable and fixed voltage regulators that are very easy to use. It requires only 2 external resistors
to set the output voltage for adjustable version. The SPX1085 is designed for low voltage applications that offer lower dropout voltage
and faster transient response. This device is an excellent choice for use in powering low voltage microprocessor that require a lower
dropout, faster transient response to regulate from +2.5V to 3.8V supplies and as a post regulator for switching supplies applications.
The SPX1085 features low dropout of a maximum of 1.5 volts.
The SPX1085 offers full protection against over-current faults, reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The IQ of this device flows into load which
increases efficiency.
The SPX1085 are offered in a 3-pin TO-220, TO-263 & TO-252 packages compatible with other 3 terminal regulators. For a 8A low
dropout regulator refer to the SPX1085 data sheet.
PIN CONNECTIONS
TO-263-3 (T)
TO-220-3 (U)
TO-252 (R)
SPX1085
1 23
ADJ/GND VOUT VIN
Top View
SPX1085
123
ADJ/GND VOUT VIN
Front View
SPX1085
1 23
ADJ/GND VOUT VIN
Front View
Rev. 10/30/00




SPX1085 pdf, 반도체, 판매, 대치품
Basic Adjustable Regulator
SPX1085
VIN SPX1085
VREF
IADJ
50µA
VOUT = VREF * ( 1 + R2/R1) + IADJ * R2
VOUT
R1
R2
Fig.2 Basic Adjustable Regulator
Output Voltage
Consider Figure 2. The resistance R1 generates a constant current flow, normally the specified load current of 10mA. This current will
go through the resistance R2 to set the overall output voltage. The current IADJ is very small and constant. Therefore its contribution to
the overall output voltage is very small and can generally be ignored
Load Regulation
Parasitic line resistance can degrade load regulation. In order not to affect the behavior of the regulator, it is best to connect directly
the R1 resistance from the resistor divider to the case, and not to the load. For the same reason, it is best to connect the resistor R2 to
the Negative side of the load.
RP Parasitic Line
Resistance
VIN SPX1085
Connect R 1 to
Case of Regulator
R1
RL
R2
Connect R 2 to Load
Fig.3 Basic Adjustable Regulator
Rev. 10/30/00

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SPX1085 전자부품, 판매, 대치품
Ordering No.
SPX1085T
SPX1085T-1.5
SPX1085T-2.5
SPX1085T-3.3
SPX1085T-5.0
SPX1085AT
SPX1085AT-1.5
SPX1085AT-2.5
SPX1085AT-3.3
SPX1085AT-5.0
SPX1085U
SPX1085U-1.5
SPX1085U-2.5
SPX1085U-3.3
SPX1085U-5.0
SPX1085AU
SPX1085AU-1.5
SPX1085AU-2.5
SPX1085AU-3.3
SPX1085AU-5.0
SPX1085R
SPX1085R-1.5
SPX1085R-2.5
SPX1085R-3.3
SPX1085R-5.0
SPX1085AR
SPX1085AR-1.5
SPX1085AR-2.5
SPX1085AR-3.3
SPX1085AR-5.0
ORDERING INFORMATION
Precision
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
Output Voltage
Adj
1.5V
2.5V
3.0V
5.0V
Adj
1.5V
2.5V
3.0V
5.0V
Adj
1.5V
2.5V
3.0V
5.0V
Adj
1.5V
2.5V
3.0V
5.0V
Adj
1.5V
2.5V
3.0V
5.0V
Adj
1.5V
2.5V
3.0V
5.0V
Packages
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-263
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-220
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
3 Lead TO-252
SPX1085
Corporation
SIGNAL PROCESSING EXCELLENCE
Sipex Corporation
Headquarters and Main Offices:
22 Linnell Circle
Billerica, MA 01821
TEL: (978) 667-8700
FAX: (978) 670-9001
233 South Hillview Drive
Milpitas, CA 95035
TEL: (408) 935-7600
FAX: (408) 934-7500
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
hereing; neither does it convey any license und under it patent rights nor the rights of others.
Rev. 10/30/00

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