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LD2981ABM28TR

Features: · STABLE WITH LOW ESR CERAMIC CAPACITORS· ULTRA LOW DROPOUT VOLTAGE (0.17V TYP. AT 100mA 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 100mA· LOGIC-CONTROLLED ELECTRONIC SHUTDOWN...

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SeekIC No. : 004393011 Detail

LD2981ABM28TR: Features: · STABLE WITH LOW ESR CERAMIC CAPACITORS· ULTRA LOW DROPOUT VOLTAGE (0.17V TYP. AT 100mA LOAD, 7mV TYP. AT 1mA LOAD)· VERY LOW QUIESCENT CURRENT (80µA TYP. AT NO LOAD IN ON MODE; MAX...

LD2981ABM28TR Data Sheet

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Part Number:
LD2981ABM28TR
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

· STABLE WITH LOW ESR CERAMIC CAPACITORS
· ULTRA LOW DROPOUT VOLTAGE (0.17V TYP. AT 100mA 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 100mA
· 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
· ± 0.75% 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


Specifications

Symbol Parameter Value Unit
VI DC Input Voltage -0.3 to 16 V
VINH INHIBIT Input Voltage -0.3 to 16 V
IO Output Current Internally Limited  
PD Power Dissipation Internally Limited  
Tstg Storage Temperature Range -55 to +150
Top Operating Junction Temperature Range -40 to +125

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.




Description

The LD2981ABM28TR series are 100mA 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 LD2981ABM28TR is used as local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. The LD2981ABM28TR 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.




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