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LD2982

Features: VERY LOW DROPOUT VOLTAGE (120mV AT 50mA AND 7mV AT 1mA LOAD) VERY LOW QUIESCENT CURRENT (375mA TYP. AT 50mA LOAD AND 75mA AT 1mA) OUTPUT CURRENT UP TO 50mA LOGIC CONTROLLED ELECTRONIC SHUTDOWN OUTPUT VOLTAGE OF 1.5,1.8, 2.5, 2.8, 2.85, 3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V INTERNA...

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SeekIC No. : 004393012 Detail

LD2982: Features: VERY LOW DROPOUT VOLTAGE (120mV AT 50mA AND 7mV AT 1mA LOAD) VERY LOW QUIESCENT CURRENT (375mA TYP. AT 50mA LOAD AND 75mA AT 1mA) OUTPUT CURRENT UP TO 50mA LOGIC CONTROLLED ELECTRONIC SHU...

LD2982 Data Sheet

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Part Number:
LD2982
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/23

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Product Details

Description



Features:

VERY LOW DROPOUT VOLTAGE (120mV AT 50mA AND 7mV AT 1mA LOAD)
VERY LOW QUIESCENT CURRENT (375mA TYP. AT 50mA LOAD AND 75mA AT 1mA)
OUTPUT CURRENT UP TO 50mA
LOGIC CONTROLLED ELECTRONIC SHUTDOWN
OUTPUT VOLTAGE OF 1.5,1.8, 2.5, 2.8, 2.85, 3, 3.1, 3.2, 3.3, 3.5, 3.6, 3.8, 4, 4.7, 5V
INTERNAL CURRENT AND THERMAL LIMIT
AVAILABLE IN ± 1% TOLLERANCE (AT 25°C, A VERSION)
SUPPLY VOLTAGE REJECTION: 45dB (TYP)
ONLY 1F FOR STABILITY
LOW OUTPUT NOISE VOLTAGE 30Vrms
SMALLEST PACKAGE SOT23-5L
 TEMPERATURE RANGE: -40°C TO 125°C


Specifications

Symbol
 Parameter2
Value
Unit
VI
 DC Input Voltage
16
V

VINH

INHIBIT Input Voltage

16

V

IO
 Output Current
Internally Limited
PD
 Power Dissipation
Internally Limited
Tstg
 Storage Temperature Range
-55 to +150
°C
Top
 Operating Junction Temperature Range
-40 to +125
°C



Description

The LD2982 is a 50mA fixed output voltage regulator. The ultra low drop voltage and the low quiescent current make them particularly suitable for low noise, low power applications, and in battery powered systems. In sleep mode quiescent current is less than 1A when INHIBIT pin is pulled low. Shutdown Logic Control Function is available on pin 3 (TTL compatible). This means that when the LD2982 is used as local regulator, it   is possible to put a part of the board in standby, decreasing the total power consumption.

An external capacitor CBYP=10nF connected between bypass pin and GND reduce the noise to 30Vrms.
Typical application are in cellular phone, palmtop/ laptop computer, personal digital assistant (PDA), personal stereo, camcorder and camera.




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