feedback
Rate this webpage
Need
Support?

NCP59749: LDO Regulator, 3 A, Ultra-Low Dropout, High PSRR, Low Noise, with Bias Rail

Datasheet: Linear Regulator - Dual-Rail, Very Low‐Dropout, Programmable Soft‐Start 3.0 A
Rev. 0 (244kB)
Product Overview
»View Reliability Data
»View Material Composition
» Product Change Notification
NCP59749 is 3 A ultra-low dropout (LDO) voltage regulator, capable of providing an output current in excess of 3 A with a dropout voltage of 120 mV typ. at full load current. Output voltage is adjustable down to 0.8 V. Internal protection features consist of thermal shutdown and output current limiting protection. Additional features include user-programmable Soft-Start and Power-Good. NCP59749 is available in 5x5 QFN20 package.

Similar Products:

  NCP59744 NCP59748 NCP59749
Output Current (A) 3.0 1.5 3.0
Noise (µVRMS) 64.8 90.0 90.0
Dropout Voltage (V) 0.115 0.060 0.120
Wettable Flank No No No
Features   Benefits
     
  • 0.8V to 3.6V Output Voltage Range
 
  • Very suitable for low output voltage operation
  • 0.8V to 5.5V Input Voltage Range
 
  • Excellent solution for low input voltage applications
  • 120 mV typical dropout at the full 3.0 A load.
 
  • minimizes the power loss across the regulator
  • 120mV Typ. Dropout @ 3A
 
  • Able to operate with very small Vin - Vout voltage headroom
  • 25uVrms of Output Noise
 
  • Ideal for Noise Sensitive Applications
  • Very Fast Transient Response
 
  • Very Suitable choice for Voltage Regulation in High-Speed Digital Applications
  • Output Current in Excess of 3.0 A
   
  • Fast Transient Response
   
  • Programmable Soft-Start
   
  • Open Drain Power Good Output
   
  • Stable with Any Type of Output Capacitor
   
Applications   End Products
  • POL Applications
  • Networking and Telecommunications
  • Voltage Regulation for Low Voltage, High Current FPGA, DSP power rails
  • Industrial
  • Voltage Regulation for Mixed-Signal Transceiver ICs
  • Computing and Peripherials
  • Medical
  • Consumer
 
  • Servers
  • Routers
  • Networking Switches
  • Cellular Infrastructure Equipment
  • Cellular Telecom Equipment
  • Networking Switch
  • PoE Devices
  • Wireless Router
  • Medical Equipment
  • PoE Equipment
  • Optical Telecom Equipment
  • Ultrasound Imaging
  • Camera & Vision Systems
  • Servers
  • High-End Computing Equipment
  • FPGA, DSP and Logic Power Supplies
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCP59749MN2ADJTBGEVB Active
Pb-free
Ultra-Low Dropout LDO with Bias Rail Evaluation Board
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP59749MN2ADJTBG Active
Pb-free
Halide free
NCP59749 QFN-20 485DB 1 260 Tape and Reel 3000 $0.4267
Market Leadtime (weeks) : 4 to 8

Product
Description
Pricing ($/Unit)
Compliance
Status
Output
Polarity
VO (V)
IO Typ (A)
VI Min (V)
VI Max (V)
VDO Typ (V)
Iq Typ (mA)
PSRR (dB)
Noise (µVrms)
Enable
PowerGood
Application
Package Type
NCP59749MN2ADJTBG  
 $0.4267 
Pb
H
 Active   
Single
Positive
Adj
3
0.8
5.5
0.12
1.2
75
20
Yes
Yes
Consumer
QFN-20
Case Outlines
485DB   
Previously Viewed Products
Clear List

New Products

NCV8730  150 mA LDO Regulator

  • Low quiescent current of 1 µA typical, and shutdown current of 100 nA typical
  • Wide operating input voltage range of 2.7 to 38 V
  • Low dropout of 290 mV typical @ 150 mA, 3.3 V

NCV8187  1.2 A LDO Regulator

  • Low Iq of 30 µA typical over full temperature range
  • High PSRR of 85 dB at 1 kHz for power stability
  • Low noise of 9 µV(RMS)

Featured Video
Precision Ultra-Low Dropout Voltage Regulator Evaluation Board - NCP59744MN2ADJGEVB
Your request has been submitted for approval.
Please allow 2-5 business days for a response.
You will receive an email when your request is approved.
Request for this document already exists and is waiting for approval.