B1584 ETC1 | Alldatasheet

Document overview

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Technical content

Features

  • Adjustable Output Down to 1.2V
  • Fixed Output Voltages 2.5V, 3.0V 3.3V, and 5.0V
  • Output Current of 8.0A
  • Low Dropout Voltage 1.1V Typ.
  • Current & Thermal Limiting
  • Standard 3-Terminal Low Cost TO-220
  • Similar to industry Standard LT1083/LT1584

Applications

  • 3.3V to 2.5V for Pentium Processor
  • SMPS Post Regulator
  • High Efficiency “Green” Computer Systems
  • High Efficiency Linear Power Supplies
  • 5V to 3.XXV fro Pentium Processor
  • Battery Charger Bay LiBay LiBay LiBay Linearnearnearnear Linear ExcellenceLinear ExcellenceLinear ExcellenceLinear Excellence Plastic Package TO-220 Front View VOUT GND VIN Plastic Package TO-220 Plastic Package TO-220 Front View VOUTVOUT GND VINVIN

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com B1584 Absolute Maximum Rating Parameter Symbol Value Unit Maximum Input Voltage V IN 7 V Power Dissipation P O Internally Limited W Thermal Resistance Junction to Case θJC 3 Thermal Resistance Junction to Ambient θJA 50 °C/W Operating Junction Temperature Range Control Section Power Transistor TJ 0 to 125 0 to 150 Storage Temperature Range T STG -65 to 150 Lead Temperature (Soldering 10 Sec.) T LEAD 260

Electrical Characteristics

(VIN = 4.75V to 5.25V; IO = 10mA to 8.0Amp, unless otherwise specified) Parameter Symbol Conditions MIN TYP MAX UNIT 1.485 1.515 0<IOUT<5A, 3.3V<VIN<7V, T= 25 °C 0<IOUT<5A, 3.3V<VIN<7V, Over Temp. 1.475 1.5 1.525 2.475 2.525 0<IOUT<5A, 4.0V<VIN<7V, T= 25 °C 0<IOUT<5A, 4.0V<VIN<7V, Over Temp. 2.460 2.5 2.540 2.970 3.030 0<IOUT<5A, 4.5V<VIN<7V, T= 25 °C 0<IOUT<5A, 4.5V<VIN<7V, Over Temp. 2.950 3.0 3.050 3.267 3.333 0<IOUT<5A, 4.8V<VIN<7V, T= 25 °C 0<IOUT<5A, 4.8V<VIN<7V, Over Temp. 3.247 3.3 3.353 4.950 5.050 Output Voltage V O 0<IOUT<5A, 6.5V<VIN<7V, T= 25 °C 0<IOUT<5A, 6.5V<VIN<7V, Over Temp. 4.920 5.0 5.080 V 1.238 1.262 Reference Voltage V ref VIN<7V, 1.5V<VIN<5.75, 10mA<Iout<5Amp 1.230 1.250 1.270 V Line Regulation (1) REG (line) IO = 10mA, VIN =5V, T= 25 °C 0.04 0.2 0.08 0.40 Load Regulation (1) REG (LOAD) IO = 10mA, VIN =5V, T= 25 °C

1.0 Dropout Voltage V D T= 25 °C

1.1 1.3 V Minimum load Current I min 5.0 10 mA Current Limit I S (Vin-Vout)=3V 8 10 A Ground Pin Current I Q VIN =5V 0 200 mA Temperature Stability T S IO = 10mA, VIN =5V 0.5 % Thermal Regulation T= 25 °C, 30ms pulse 0.003 %/W Ripple Rejection R A T= 25 °C, VIN =5V 60 80 dB Thermal Resistance - TO-220 Junction to Tab Junction to Ambient Junction to Ambient 3.0 3.0 3.0 3.0 °C/W Note: Output Switch tests are performed under pulsed conditions to minimize power dissipation

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com Advance Information- These data sheets contain descriptions of products that are in development. The specifications are based on the engineering calculations, computer simulations and/ or initial prototype evaluation. Preliminary Information- These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These limits are subject to change upon the completion of the full characterization over the specified temperature and supply voltage ranges. The application circuit examples are only to explain the representative applications of the devices and are not intended to guarantee any circuit design or permit any industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any industrial property right resulting from the use of the contents shown in the data book. Typical parameters can and do vary in different applications. Customer’s technical experts must validate all operating parameters including “ Typical” for each customer application. LIFE SUPPORT AND NUCLEAR POLICY Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical implants into the body to support or sustain life, in aircraft, sp ace equipment, submarine, or nuclear facility applications wit hout the specific written consent of Bay Linear President.