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LD3986

Features: ` INPUT VOLTAGE FROM 2.5V TO 6V` STABLE WITH LOW ESR CERAMIC CAPACITORS` ULTRA LOW DROPOUT VOLTAGE (60mV TYP. AT 150mA LOAD, 0.4mV TYP. AT 1mA LOAD) ` VERY LOW QUIESCENT CURRENT (155A TYP. AT NO LOAD, 290A TYP. AT 150mA LOAD; MAX 2A IN OFF MODE)` GUARANTEED OUTPUT CURRENT UP TO 150mA FOR...

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SeekIC No. : 004393032 Detail

LD3986: Features: ` INPUT VOLTAGE FROM 2.5V TO 6V` STABLE WITH LOW ESR CERAMIC CAPACITORS` ULTRA LOW DROPOUT VOLTAGE (60mV TYP. AT 150mA LOAD, 0.4mV TYP. AT 1mA LOAD) ` VERY LOW QUIESCENT CURRENT (155A TYP....

LD3986 Data Sheet

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Part Number:
LD3986
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:

` INPUT VOLTAGE FROM 2.5V TO 6V
` STABLE WITH LOW ESR CERAMIC CAPACITORS
` ULTRA LOW DROPOUT VOLTAGE (60mV TYP. AT 150mA LOAD, 0.4mV TYP. AT 1mA LOAD)
` VERY LOW QUIESCENT CURRENT (155A TYP. AT NO LOAD, 290A TYP. AT 150mA LOAD; MAX 2A IN OFF MODE)
` GUARANTEED OUTPUT CURRENT UP TO 150mA FOR BOTH OUTPUTS
` DUAL OUTPUT VOLTAGES
` FAST TURN-ON TIME: TYP. 120s (CO=1F, CBYP=10nF AND IO=1mA)
` LOGIC-CONTROLLED ELECTRONIC SHUTDOWN
` INTERNAL CURRENT AND THERMAL LIMIT
` OUTPUT LOW NOISE VOLTAGE 30VRMS OVER 10Hz to 100KHz
` S.V.R. OF 50dB AT 1KHz, 40dB AT 10KHz
` TEMPERATURE RANGE: -40°C TO 125°C


Specifications

Symbol
Parameter
Value
Unit
VI
 DC Input Voltage
-0.3 to 6
V
V O1,2
 DC Output Voltage
-0.3 to VI+0.3
V
V EN1,2
 ENABLE Input Voltage
-0.3 to VI+0.3
V
IO
 Output Current
Internally limited
PD
 Power Dissipation
Internally limited
TSTG
 Storage Temperature Range
-65 to 150
TOP
 Operating Junction Temperature Range
-40 to 125



Description

The LD3986 provides up to 150mA at each output, from 2.5V to 6V input voltage. The ultra low drop-voltage, low quiescent current and low noise make it suitable for low power applications and in battery powered systems. Regulator ground current increases only slightly in dropout, further prolonging the battery life. Power supply rejection is 50 dB at 1KHz and 40 dB at 10KHz. High power supply rejection is maintained down to low input voltage levels common to battery operated circuits. Shutdown Logic Control function is available for each output, 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 LD3986 is designed to work with low ESR ceramic capacitors. Typical applications are in mobile phone and similar battery powered wireless systems.




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