L79 datasheet(14/28 Pages) STMICROELECTRONICS

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L79 Arkusz danych(PDF) 14 Page - STMicroelectronics

Numer części	L79

Szczegółowy opis	Negative voltage regulators

PDF	28 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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14 / 28 page

Application information

L79

14/28

DocID2149 Rev 22

Application information

Note:

CI is required for stability. For value given, capacitor must be solid tantalum. If aluminium

electrolytic are used, at least ten times value should be selected. CO is required if regulator

is located an appreciable distance from power supply filter. To improve transient response. If

large capacitors are used, a high current diode from input to output (1N4001 or similar)

should be introduced to protect the device from momentary input short circuit.

(*) Against potential latch-up problems.

Figure 4. Fixed output regulator

Figure 5. Split power supply (± 15 V - 1 A)

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