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Integrated Circuits (ICs)

LD3985J18R

LDO Regulator Pos 1.8V 0.55A 5-Pin Flip-Chip T/R

The STMicroelectronics LDO Regulator is a highly efficient linear voltage regulator designed to provide a stable output of 1.8V with a maximum output current of 550mA. Encased in a compact 5-pin FCBGA package, this regulator is ideal for space-constrained applications requiring reliable power management. With a wide input voltage range of 2.5V to 6V and a low dropout voltage of just 100mV, it ensures optimal performance in various electronic devices while maintaining low quiescent current. This

BrandSTMicroelectronics
PackageFCBGA
Device TypeLDO Voltage Regulators
MountingSurface Mount

Full Specifications

Number of Pins5
Number of Outputs1
Max Output Current550mA
Min Input Voltage2.5V
Max Input Voltage6V
Min Output Voltage1.8V
Accuracy3%
Dropout Voltage100mV
MountSurface Mount
Input Bias Current85µA
Max Operating Temperature125°C
Min Current Limit300mA
Min Operating Temperature-40°C
Number of Regulators1

About This Product

The STMicroelectronics LDO Regulator is a highly efficient linear voltage regulator designed to provide a stable output of 1.8V with a maximum output current of 550mA. Encased in a compact 5-pin FCBGA package, this regulator is ideal for space-constrained applications requiring reliable power management. With a wide input voltage range of 2.5V to 6V and a low dropout voltage of just 100mV, it ensures optimal performance in various electronic devices while maintaining low quiescent current. This device is suitable for use in demanding environments, operating effectively within a temperature range of -40°C to 125°C.

What is this product used for?

Suitable for design, repair, and production programs using LDO Voltage Regulators devices.

Typical Use Cases

Power Management ICs LDO Voltage Regulators FCBGA LDO Voltage Regulators

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RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
LDO Regulator Pos 1.8V 0.55A 5-Pin Flip-Chip T/R

LD3985J18R

STMicroelectronics

The STMicroelectronics LDO Regulator is a highly efficient linear voltage regulator designed to provide a stable output of 1.8V with a maximum output current of 550mA. Encased in a compact 5-pin FCBGA package, this regulator is ideal for space-constrained applications requiring reliable power management. With a wide input voltage range of 2.5V to 6V and a low dropout voltage of just 100mV, it ensures optimal performance in various electronic devices while maintaining low quiescent current. This

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