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| 7805B Description This series of fixed-voltage monolithic integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power-pass elements to make high-current voltage regulators.Each The internalof these regulators can deliver up to 1.0 A of output current. limiting and termal shutdown features of these regulators make them essentially immune to overload. Features *Output Current in Excess of 1.0A *No External Components Required *Internal Short Circuit Current Limiting *Internal Thermal Overload Protection *Output Transistor Safe-Area Compensation *Output Voltage Offered in 4% Tolerance Package Internal Block Digram BEIJING ESTEK ELECTRONICS CO.,LTD 1 7805B Absolute Maximum Ratings Maximum Input Voltage: 35V Operation Junction Temperature Range: -40 to 125 Electrical Characteristics (Vin=10V, Io=0.5A, Ci=0.33 Co=0.1 Tj=25 F, F, ,unless otherwise noted.) Characteristic Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Symbol Vo Vo Vv Vi Ib Test Condition Min 4.8 Max 5.2 5.25 100 50 100 50 8.0 Unit V V 5.0mAIo1.0A; 7.0VVin20V 0 Tj125 C C 7V Vin 25V; 8V Vin 12V 5.0mAIo1.5A 0.25AIo0.75A 4.75 - mV mV mA Quiescent Current Change Ib 7V Vin 25V, 5mA Io 1.0A - 1.3 0.5 mA Typical Applications Circuit Figure 1. High Output Current with Short Circuit Protection BEIJING ESTEK ELECTRONICS CO.,LTD 2 7805B Figure 2. DC Parameters Figure 3. Constant Current Regulator Ordering Information O RDERING NUM BER 7805 P ACK AGE TO - 220 M ARKING ET7805 Address : Postalcode:100039 Tel: 86-010-58895780 / 81 / 82 / 83 / 84 Http://www.estek.com.cn Email:sales@estek.com.cn 6A06--6A07 Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing Fax : 010-58895793 REV No:01-060802 BEIJING ESTEK ELECTRONICS CO.,LTD 3 |
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