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LD3985J29R

LD3985J29R

LD3985J29R

STMicroelectronics

Enable Fixed LD3985 PMIC 5 5-WFBGA, FCBGA

SOT-23

LD3985J29R Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 5-WFBGA, FCBGA
Number of Pins 5
Operating Temperature-40°C~125°C
PackagingTape & Reel (TR)
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 5
ECCN Code EAR99
Packing Method TAPE AND REEL
Terminal Position BOTTOM
Terminal FormBALL
Number of Functions 1
Base Part Number LD3985
Pin Count5
Current - Supply (Max) 250μA
Number of Outputs 1
Voltage - Input (Max) 6V
Output Voltage 2.9V
Output Type Fixed
Max Output Current550mA
Output Configuration Positive
Current - Output 150mA
Quiescent Current150μA
Control Features Enable
Accuracy 2 %
Output Voltage 1 2.9V
Number of Regulators1
Min Input Voltage 2.5V
Protection Features Over Current, Over Temperature
Current - Quiescent (Iq) 150μA
Voltage Dropout (Max) 0.1V @ 150mA
PSRR 60dB ~ 50dB (1kHz ~ 10kHz)
Dropout Voltage60mV
Dropout Voltage1-Nom 0.06V
Voltage Tolerance-Max 3%
Min Current Limit 300mA
Input Voltage Absolute-Max 6V
Input Bias Current 85μA
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:2678 items

LD3985J29R Product Details

LD3985J29R Overview


A Tape & Reel (TR) case is used to deliver the Voltage Regulated IC. A 5-WFBGA, FCBGA case is used for packaging. As you can see, the IC chip has 5 terminations. Regulator IC chip's output type is Fixed. The electronic part implements 1 regulators in total. In this Regulator IC chip, the operating temperature of Surface Mount varies. -40°C~125°C degrees is the operating temperature of the Voltage Regulator IC. There is one output function configured for this voltage regulator IC, and that is Positive. As far as its current output is concerned, it stands at 150mA. There are 5 pins in total in this voltage regulator IC. It has 1 outputs to ensure that the performance of this regulator is prompt and sufficient. The dropout voltage of the regulator IC is 10 volts. 5 pins are on the chip. For your information, this regulator's basic part number is LD3985. There is a way of packing the regulator that is called TAPE AND REEL. To meet operation requirements, the voltage regulator IC has a maximum output current of 550mA. It operates in the 150μA Quiescent Current state.

LD3985J29R Features


60mV dropout voltage
TAPE AND REEL method of packing


LD3985J29R Applications


There are a lot of STMicroelectronics
LD3985J29R Linear Voltage Regulators applications.


  • Communication device
  • Personal communication device
  • Portable telephone
  • Electronic notebook
  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system
  • Digital audio player

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