SPX1585AU Sipex Corporation, SPX1585AU Datasheet

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SPX1585AU

Manufacturer Part Number
SPX1585AU
Description
5A Low dropout voltage regulator adjustable & fixed output,fast response
Manufacturer
Sipex Corporation
Datasheet

Specifications of SPX1585AU

Dc
0450

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FEATURES
• Adjustable Output Down To 1.2V
• Fixed Output Voltages 1.5V, 2.5V, 3.3V & 5.0V
• Output Current Of 5A
• Low Dropout Voltage 1.1V Typ @ 5A.
• Extremely Tight Load And Line Regulation
• Current & Thermal Limiting
• Standard 3-Terminal Low Cost TO-220 & TO-263
• Similar To Industry Standard LT1085/LT1585
PRODUCT DESCRIPTION
The SPX1585 are low power 5A 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 SPX1585 are 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 SPX1585 features low dropout of a maximum 1.2 volts.
The SPX1585 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 I
increases efficiency.
The SPX1585 are offered in a 3-pin TO-220 and TO-263 package compatible with other 3 terminal regulators. For a 8A low dropout
regulator refer to the SPX1585 data sheet.
TO-263-3 (T)
Top View
SPX1585
PIN CONNECTIONS
3
1
2
ADJ/GND
V
V
OUT
IN
5A Low Dropout Voltage Regulator
APPLICATIONS
• Powering VGA & Sound Card
• Power PC Supplies
• SMPS Post-Regulator
• High Efficiency “Green” Computer Systems
• High Efficiency Linear Power Supplies
• Portable Instrumentation
• Constant Current Regulators
• Adjustable Power Supplies
• Battery charger
TO-220-3 (U)
Front View
SPX1585
Adjustable & Fixed Output,
3
2
1
Q
of this device flows into the load, which
ADJ/GND
V
V
IN
OUT
Fast Response
SPX1585
Rev. 10/23/00

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SPX1585AU Summary of contents

Page 1

FEATURES • Adjustable Output Down To 1.2V • Fixed Output Voltages 1.5V, 2.5V, 3.3V & 5.0V • Output Current Of 5A • Low Dropout Voltage 1.1V Typ @ 5A. • Extremely Tight Load And Line Regulation • Current & Thermal ...

Page 2

ABSOLUTE MAXIMUM RATINGS Lead Temp. (Soldering, 10 Seconds) .............................. 300°C Storage Temperature Range ............................ -65° to +150°C Operating Junction Temperature Range SPX1585 Control Section.......................... -45°C +125°C SPX1585 Power Transistor.........................-45°C +150°C ELECTRICAL CHARACTERISTICS PARAMETER 1.5V Version Output Voltage (Note 2) SPX1585-1.5V, ...

Page 3

APPLICATION HINTS The SPX1585 incorporates protection against over-current faults, reversed load insertion, over temperature operation, and positive and negative transient voltage. However, the use of an output capacitor is required in order to insure the stability and the performances. Stability ...

Page 4

Basic Adjustable Regulator V IN SPX1585 ADJ I ADJ 50uA OUT REF 2 1 Fig.2 Basic Adjustable Regulator Output Voltage Consider Figure 2. The resistance R current flow, ...

Page 5

TYPICAL APPLICATIONS V IN SPX1585 ADJ Fig Current output Regulator (Note SPX1585 + 10µF ADJ *C improves ripple rejection should ripple frequency. 1 Note A: ...

Page 6

TYPICAL CHARACTERISTICS SPX1585 Rev. 10/23/00 ...

Page 7

... Ordering No. SPX1585U SPX1585U-1.5 SPX1585U-2.5 SPX1585U-3.3 SPX1585U-5.0 SPX1585AU SPX1585AU-1.5 SPX1585AU-2.5 SPX1585AU-3.3 SPX1585AU-5.0 SPX1585T SPX1585T-1.5 SPX1585T-2.5 SPX1585T-3.3 SPX1585T-5.0 SPX1585AT SPX1585AT-1.5 SPX1585AT-2.5 SPX1585AT-3.3 SPX1585AT-5.0 Corporation SIGNAL PROCESSING EXCELLENCE Sipex Corporation Headquarters and Main Offices: 22 Linnell Circle Billerica, MA 01821 TEL: (978) 667-8700 FAX: (978) 670-9001 e-mail: sales@sipex ...

Page 8

Rev. 10/23/00 ...

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