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LTC3025-2 Datasheet

LTC3025-2 Datasheet

500mA Micropower VLDO Linear Regulators
Part No.: LTC3025-2
Page: 14 Pages
Size: 1558 KB
Manufacturer: Linear Technology
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Views: 0
Update Time: 2025-01-14 14:23:41
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LTC3025-2 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3025EDC-2#TRPBF Reel 2500 LDMK 1 6 -40°C ~ 125°C 6-Lead (2mm × 2mm) Plastic DFN  
LTC3025EDC-2#TRMPBF Reel 500 LDMK 1 6 -40°C ~ 125°C 6-Lead (2mm × 2mm) Plastic DFN  
LTC3025IDC-2#TRPBF Reel 2500 LDMK 1 6 -40°C ~ 125°C 6-Lead (2mm × 2mm) Plastic DFN  
LTC3025IDC-2#TRMPBF Reel 500 LDMK 1 6 -40°C ~ 125°C 6-Lead (2mm × 2mm) Plastic DFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3025-2 Datasheet(PDF)

LTC3025-2 Datasheet(Picture)

LTC3025-2 Features

  • Wide Input Voltage Range: 0.9V to 5.5V
  • Stable with Ceramic Capacitors
  • Very Low Dropout: 85mV at 500mA
  • Fixed Output: 1.2V(LTC3025-2)
  • ±2% Voltage Accuracy over Temperature, Supply and Load
  • Low Noise: 80μVRMS (10Hz to 100kHz)
  • BIAS Voltage Range: 2.5V to 5.5V
  • Fast Transient Recovery
  • Shutdown Disconnects Load from VIN and VBIAS
  • Low Operating Current: IIN = 4μA, IBIAS = 50μA Typ
  • Low Shutdown Current: IIN = 1μA, IBIAS = 0.01μA Typ
  • Output Current Limit
  • Thermal Overload Protection
  • Available in 6-Lead (2mm × 2mm) DFN Package
  • AEC-Q100 Qualified for Automotive Applications

LTC3025-2 Applications

  • Low Power Handheld Devices
  • Low Voltage Logic Supplies
  • DSP Power Supplies
  • Cellular Phones
  • Portable Electronic Equipment
  • Handheld Medical Instruments
  • Post Regulator for Switching Supply Noise Rejection

LTC3025-2 Description

The LTC3025-2 is a micropower, VLDO (very low dropout) linear regulator which operates from input voltages as low as 0.9V. The device is capable of supplying 500mA of output current with a typical dropout voltage of only 85mV. A BIAS supply is required to run the internal reference and LDO circuitry while output current comes directly from the IN supply for high efficiency regulation. The LTC3025-2 have fixed 1.2V output voltages respectively.

The LTC3025-X’s low quiescent current makes it an ideal choice for use in battery-powered systems. For 3-cell NiMH and single cell Li-Ion applications, the BIAS voltage can be supplied directly from the battery while the input can come from a high efficiency buck regulator, providing a high efficiency, low noise output.

Other features include high output voltage accuracy, excellent transient response, stability with ultralow ESR ceramic capacitors as small as 1μF, short-circuit and thermal overload protection and output current limiting. The LTC3025-X is available in a tiny, low profile (0.75mm) 6-lead DFN (2mm × 2mm) package.

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