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LD2985

Features: · VERY LOW DROPOUT VOLTAGE (280mV AT 150mA AND 7mV AT 1mA LOAD)· VERY LOW QUIESCENT CURRENT (2mA TYP. AT 150mA LOAD AND 80mA AT NO LOAD)· OUTPUT CURRENT UP TO 150mA · 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...

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SeekIC No. : 004393013 Detail

LD2985: Features: · VERY LOW DROPOUT VOLTAGE (280mV AT 150mA AND 7mV AT 1mA LOAD)· VERY LOW QUIESCENT CURRENT (2mA TYP. AT 150mA LOAD AND 80mA AT NO LOAD)· OUTPUT CURRENT UP TO 150mA · LOGIC CONTROLLED ELEC...

LD2985 Data Sheet

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Part Number:
LD2985
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: 2024/12/25

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Product Details

Description



Features:

· VERY LOW DROPOUT VOLTAGE (280mV  AT 150mA AND 7mV AT 1mA LOAD)
· VERY LOW QUIESCENT CURRENT (2mA TYP. AT 150mA LOAD AND 80mA AT NO LOAD)
· OUTPUT CURRENT UP TO 150mA
· 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)
· LOW OUTPUT NOISE VOLTAGE 30mVrms
· SMALLEST PACKAGE SOT23-5L
· TEMPERATURE RANGE: -40°C TO 125°C


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
VI DC Input Voltage
16
V
VINH INHIBIT Input Voltage
16
V
IO Output Current
Internally limited
Ptot Power Dissipation
Internally limited
Tstg Storage Temperature Range
-65 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 LD2985 is a 150mA 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 LD2985 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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