SPX2840 Datasheet, PDF (1/5 Pages) Sipex Corporation – 4A Low Dropout Voltage Regulator Adjustable & Fixed 3.3V

FEATURES
• Adjustable Output Down To 1.25V Or Fixed 3.3V
• Output Current Of 4A
• Low Dropout Voltage
• Extremely Tight Load And Line Regulation
• Current & Thermal Limiting
• Standard 3-Terminal Low Cost TO-220
SPX2840
4A Low Dropout Voltage Regulator
Adjustable & Fixed 3.3V
APPLICATIONS
• Powering Intel Pentium µP from +5V Supplies
• 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
PRODUCT DESCRIPTION
The SPX2840 is a low power 4A Adjustable Voltage Regulator that is very easy to use. It requires only 2 external resistors to set the
output voltage. This device is an excellent choice for use in Powering Intel Microprocessor to convert from +5V to 3.3V supplies
and as a post regulator for switching supplies applications. The SPX2840 features low dropout of a maximum 1.3 volts.
The SPX2840 offers over-current limit and full protection against reversed input polarity, reversed load insertion, over temperature
operation, and positive and negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The I_Q of this device
flows in to the load, which increases the efficiency.
The SPX2840 is offered in a 3-pin TO-220 package compatible with other 3 terminal regulators. For a 3A low dropout regulator refer
to the SPX2830 data sheet.
ORDERING INFORMATION
TO-220-3 (U)
SPX2840
123
ADJ/GND V_OUT V_IN
Front View
Rev. 10/23/00