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LP2951AC Datasheet(PDF) 4 Page - Advanced Monolithic Systems |
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LP2951AC Datasheet(HTML) 4 Page - Advanced Monolithic Systems |
4 / 14 page Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 LP2950/LP2951 Note 13: Thermal regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 50mA load pulse at VIN =30V (1.25W pulse) for T =10 ms. Note 14: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. Note 15: Line regulation for the LP2951 is tested at 150 °C for I L = 1 mA. For IL = 100 µA and T J = 125 °C, line regulation is guaranteed by design to 0.2%. See typical performance characteristics for line regulation versus temperature and load current. Note 16: All LP2950 devices have the nominal output voltage coded as the last two digits of the part number. In the LP2951 products, the 3.0V and 3.3V versions are designated by the last two digits, but the 5V version is denoted with no code of the part number. BLOCK DIAGRAM AND TYPICAL APPLICATIONS LP2950-XX LP2951-XX INPUT OUTPUT GROUND ERROR AMPLIFIER 1.23V REFERENCE UNREGULATED DC V OUT I L≤ 100mA SEE APPLICATION HINTS + + + + - INPUT OUTPUT GROUND ERROR AMPLIFIER 1.23V REFERENCE UNREGULATED DC V OUT I L≤ 100mA SEE APPLICATION HINTS + + + + - FEED- BACK SHUT- DOWN SENSE V TAP ERROR TO CMOS OR TTL + - + 330k Ω 4 5 6 2 1 8 7 3 FROM CMOS OR TTL 50mV ERROR DETECTION COMPARATOR |
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