LD2980ABU25TR datasheet, PDF - EEWORLD Datasheet

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LD2980ABU25TR: Description5 V FIXED POSITIVE LDO REGULATOR, 0.225 V DROPOUT, PDSO5; CategoryPower/power management The power supply circuit; File Size265KB，17 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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LD2980ABU25TR Overview

5 V FIXED POSITIVE LDO REGULATOR, 0.225 V DROPOUT, PDSO5

LD2980ABU25TR Parametric

Parameter Name	Attribute value
Maker	STMicroelectronics
Parts packaging code	SOT-89
package instruction	SOT-89, 3 PIN
Contacts	3
Reach Compliance Code	compli
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	0.225 V
Nominal dropback voltage 1	0.12 V
Maximum absolute input voltage	16 V
Maximum input voltage	16 V
Minimum input voltage	2.5 V
JESD-30 code	R-PSSO-F3
length	4.5 mm
Maximum grid adjustment rate	0.01%
Number of functions	1
Output times	1
Number of terminals	3
Working temperatureTJ-Max	125 °C
Operating temperatureTJ-Mi	-40 °C
Maximum output current 1	0.05 A
Maximum output voltage 1	2.562 V
Minimum output voltage 1	2.437 V
Nominal output voltage 1	2.5 V
Package body material	PLASTIC/EPOXY
Encapsulate equivalent code	TO-243
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
method of packing	TAPE AND REEL
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.6 mm
surface mount	YES
technology	BIPOLAR
Terminal form	FLAT
Terminal pitch	1.5 mm
Terminal location	SINGLE
Maximum voltage tolerance	2.5%
width	2.445 mm

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LD2980

SERIES

ULTRA LOW DROP VOLTAGE REGULATORS WITH INHIBIT

LOW ESR OUTPUT CAPACITORS COMPATIBLE

STABLE WITH LOW ESR CERAMIC

CAPACITORS

ULTRA LOW DROPOUT VOLTAGE (0.12V

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

LOAD)

VERY LOW QUIESCENT CURRENT (80µA

TYP. AT NO LOAD IN ON MODE; MAX 1µA

IN OFF MODE)

GUARANTEED OUTPUT CURRENT UP TO

50mA

LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

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

INTERNAL CURRENT AND THERMAL LIMIT

± 0.5% TOLERANCE OUTPUT VOLTAGE

AVAILABLE (A VERSION)

OUTPUT LOW NOISE VOLTAGE 160µVRMS

TEMPERATURE RANGE: -40 TO 125°C

SMALLEST PACKAGE SOT23-5L AND

SOT-89

FAST DYNAMIC RESPONSE TO LINE AND

LOAD CHANGES

SOT23-5L

SOT-89

DESCRIPTION

The LD2980 series are 50mA fixed-output voltage

regulator. The low drop-voltage and the ultra low

SCHEMATIC DIAGRAM

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.

September 2003

1/17

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