Vendor: Obsidian Technology Category: LDO Voltage Regulator

Low Dropout Linear Regulator - TSMC 0.18µ

The OT1105t180 is a 150mA CMOS low dropout regulator designed for use in a wide variety of mixed signal device applications.

Overview

The OT1105t180 is a 150mA CMOS low dropout regulator designed for use in a wide variety of mixed signal device applications. It is designed for use with an external vdd/capacitor pin. (See OT1104 for internal capacitor version.)

Designed for TSMC 0.18µ processes.

Key features

  • Input voltage range 3.0V – 5.5V.
  • Output voltage 1.8V ±5%.
  • Output fold back short circuit protection.
  • Over-temperature protection.
  • Works with straight-through IO pads.
  • External 4.7µF decoupling capacitor.
  • Power down/enable input.
  • Fast response to current steps.
  • <1% line and load regulation.
  • Can be back powered.
  • PSRR 70dB @ 1MHz.
  • -40°C to 120°C temperature operation.
  • Base cell area 0.03mm2 in 0.18µ CMOS.

Block Diagram

OT1105t180 block diagram

Applications

  • LiFe Battery to 1.8V core voltage regulator.
  • 3.3V or 5V power to 1.8V core voltage regulator.

What’s Included?

  • Flat GDS.
  • LEF.
  • LVS netlist.
  • Integration notes.
  • Production test notes.

Specifications

Identity

Part Number
OT1105t180
Vendor
Obsidian Technology
Type
Silicon IP

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

Frequently asked questions about LDO Voltage Regulator IP cores

What is Low Dropout Linear Regulator - TSMC 0.18µ?

Low Dropout Linear Regulator - TSMC 0.18µ is a LDO Voltage Regulator IP core from Obsidian Technology listed on Semi IP Hub.

How should engineers evaluate this LDO Voltage Regulator?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this LDO Voltage Regulator IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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