LD2980 datasheet(1/17 Pages) STMICROELECTRONICS

номер детали	LD2980

подробное описание детали	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE

PDF	17 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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September 2003

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STABLE WITH LOW ESR CERAMIC

CAPACITORS

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ULTRA LOW DROPOUT VOLTAGE (0.12V

TYP. AT 50mA LOAD, 7mV TYP. AT 1mA

LOAD)

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VERY LOW QUIESCENT CURRENT (80µA

TYP. AT NO LOAD IN ON MODE; MAX 1µA

IN OFF MODE)

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GUARANTEED OUTPUT CURRENT UP TO

50mA

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LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

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OUTPUT VOLTAGE OF 1.5; 1.8; 2.5; 2.85;

3.0; 3.2; 3.3; 3.6; 3.8; 4.0; 4.7; 4.85; 5.0V

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INTERNAL CURRENT AND THERMAL LIMIT

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± 0.5% TOLERANCE OUTPUT VOLTAGE

AVAILABLE (A VERSION)

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OUTPUT LOW NOISE VOLTAGE 160µVRMS

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TEMPERATURE RANGE: -40 TO 125°C

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SMALLEST PACKAGE SOT23-5L AND

SOT-89

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FAST DYNAMIC RESPONSE TO LINE AND

LOAD CHANGES

DESCRIPTION

The LD2980 series are 50mA fixed-output voltage

regulator. The low drop-voltage and the ultra low

quiescent current make them suitable for low

noise, low power applications and in battery

powered systems.

The quiescent current in sleep mode is less than

1µA when INHIBIT pin is pulled low. Shutdown

Logic Control function is available on pin n.3 (TTL

compatible). This means that when the device is

used as local regulator, it is possible to put a part

of the board in standby, decreasing the total

power consumption. The LD2980 is designed to

work with low ESR ceramic capacitor. Typical

applications are in cellular phone, palmtop/laptop

computer,

personal

digital

assistant

(PDA),

personal stereo, camcorder and camera.

LD2980

SERIES

ULTRA LOW DROP VOLTAGE REGULATORS WITH INHIBIT

LOW ESR OUTPUT CAPACITORS COMPATIBLE

SCHEMATIC DIAGRAM

SOT23-5L

SOT-89

Аналогичный номер детали - LD2980

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STMicroelectronics	LD2980ABM30TR	429Kb / 23P	Ultra low drop voltage regulators compatible with low ESR inhibit output capacitors 11-Jul-2008
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	LD2980ABM50TR	429Kb / 23P	Ultra low drop voltage regulators compatible with low ESR inhibit output capacitors 11-Jul-2008
	LD2980ABU30TR	429Kb / 23P	Ultra low drop voltage regulators compatible with low ESR inhibit output capacitors 11-Jul-2008

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Аналогичное описание - LD2980

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	LF00	598Kb / 46P	Very low drop voltage regulators with inhibit 24-May-2006
	LD2979XX	298Kb / 15P	Very low drop voltage regulators with inhibit 09-Apr-2008
	LD2980ABXX	429Kb / 23P	Ultra low drop voltage regulators compatible with low ESR inhibit output capacitors 11-Jul-2008
	LD2981ABXX	430Kb / 23P	Ultra low drop voltage regulators with inhibit low ESR output capacitors compatible 14-Jul-2008
	LEXXAB	908Kb / 39P	Very low drop voltage regulators with inhibit 10-Jul-2008
	LEXXAB	912Kb / 39P	Very low drop voltage regulators with inhibit 10-Jul-2008

More results

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