Adjustable Output B1580 Description Linear B1580 Monoli

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Adjustable Output B1580 Description Linear B1580 Monoli

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8.0A Dropout Voltage Regulator
Adjustable Output
B1580
Description
Linear B1580 Monolithic power 8.0A Adjustable fixed voltage regulator that easy with minimum external components. suitable applications requiring well-regulated positive output voltage with input-output differential voltage requirements output voltage 1.5V, 2.5V, 3.0V, 3.3V, B1580 Outstanding features include full power usage 8.0Amp load current internal current limiting thermal shutdown. Other fixed versions also available consult with factory. B1580 offered 5-pin TO-220, TO-263 packages compatible with other terminal regulators. dropout Regulator refer B1581 data sheet.
Features
Adjustable Output Down 1.2V Fixed Output Voltages 2.5V, 3.0V 3.3V, 5.0V Output Current 8.0A Dropout Voltage 700mV Typ. Current Thermal Limiting Standard 3-Terminal Cost TO-220, Packages Similar industry Standard EZ1580/CS5208
Applications
3.3V 2.5V Pentium Processor SMPS Post Regulator High Efficiency "Green" Computer Systems High Efficiency Linear Power Supplies 3.XXV Pentium Processor Battery Charger
Connection
Ordering Information
Devices
B1580T B1580S
Package
TO-220 TO-263
Temp.
VPOWER VCONTROL OUTPUT ADJ/GND. SENSE
TO-263-5 Package
Linear,
2478 Armstrong Street, Livermore, 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
B1580
Absolute Maximum Rating
Parameter
Maximum Input Voltage Power Dissipation Thermal Resistance Junction Case Thermal Resistance Junction Ambient Operating Junction Temperature Range Control Section Power Transistor Storage Temperature Range Lead Temperature (Soldering Sec.)
Symbol
Value
Internally Limited
Unit
°C/W
TSTG TLEAD
Electrical Characteristics
(VIN 4.75V 5.25V; 10mA 8.0Amp, unless otherwise specified) Parameter Symbol Conditions
Output Voltage VCONT= VOUT+1.5V, VPWR=VOUT+0.5V VCONT= VOUT+1.5V, VPWR=VOUT+0.8V ILOAD=10mA VCONT=2.75V, VPWR=2V, ILOAD=10mA VCONT=2.7V, VPWR=3.3V 5.5V, ILOAD=10mA 10mA, =5V, 10mA, =5V,
1.238 1.230
UNIT
Reference Voltage
Vref
1.250
1.262 1.270 0.40
Line Regulation Load Regulation Dropout Voltage Minimum load Current Current Limit Ground Current Temperature Stability Thermal Regulation Ripple Rejection Thermal Resistance
(line) (LOAD) VPWR-VOUT
0.04 0.08
VCONT=VOUT+2.5V, ILOAD=8A 0.55 0.003 0.70 °C/W
Imin
(Vin-Vout)=3V 10mA, 30ms pulse TO-220 Junction Junction Ambient Package Junction Junction Ambient
Note: Output Switch tests performed under pulsed conditions minimize power dissipation
Linear,
2478 Armstrong Street, Livermore, 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
Advance Information- These data sheets contain descriptions products that development. specifications based engineering calculations, computer simulations and/ initial prototype evaluation. Preliminary Information- These data sheets contain minimum maximum specifications that based initial device characterizations. These limits subject change upon completion full characterization over specified temperature supply voltage ranges.
application circuit examples only explain representative applications devices intended guarantee circuit design permit industrial property right other rights execute. Linear takes responsibility problems related industrial property right resulting from contents shown data book. Typical parameters vary different applications. Customer's technical experts must validate operating parameters including Typical" each customer application.
LIFE SUPPORT NUCLEAR POLICY Linear products authorized should used within life support systems which intended surgical implants into body support sustain life, aircraft, space equipment, submarine, nuclear facility applications without specific written consent Linear President.
Linear,
2478 Armstrong Street, Livermore, 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com

Adjustable Output B1580 Description Linear B1580 Monoli

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