Vendor: Weasic Microelectronics Category: LDO Voltage Regulator

Low Noise, High PSRR, Replica LDO

The WEALDORP1812NI8SFN12M22G is a low-dropout regulator LDO with voltage supplies 1.8 V and 1.2 V.

GlobalFoundries 22nm FDX View all specifications

Overview

The WEALDORP1812NI8SFN12M22G is a low-dropout regulator LDO with voltage supplies 1.8 V and 1.2 V. The WEALDORP1812NI8SFN12M22G gives one output voltage 1.2 V driving the Power Amplifier. The output is programmable to retain the output voltage constant when the load current varies under a wide range.

Key features

  • Voltage Supplies: 1.2 V, 1.8 V
  • Output voltage: 1.2 V
  • Max Output Current: 90 mA
  • Quiescent current: 7.1 mA
  • Maximum current: 51 mA
  • Reference Voltage: 1.2 V
  • PSRR: 70 dB @1 KHz, 1.8 V
  • 91 dB @1 KHz, 1.2 V
  • PSRR: 49 dB @1 MHz,1.8 V
  • 18 dB @1 MHz,1.2 V
  • Noise @1KHz: -145 dBV/sqrt (Hz) (54.8nV/sqrt (Hz))
  • Noise @1MHz: -173 dBV/sqrt (Hz) (2.2nV/sqrt (Hz))
  • Bandwidth: 6.8 KHz
  • Drop-out voltage: 14 mV (vdd12)
  • Load regulation:
  • 2.7 mV/mA Iload from 0-60mA
  • (1.8 mV/mA Iload close to 20mA)
  • Area: 211 um x 287 um
  • Process : 22FDX
  • Metal Option : 19

Block Diagram

Silicon Options

Foundry Node Process Maturity
GlobalFoundries 22nm FDX —

Specifications

Identity

Part Number
WEALDORP1812NI8SFN12M22G
Vendor
Weasic Microelectronics
Type
Silicon IP

Files

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Provider

Frequently asked questions about LDO Voltage Regulator IP cores

What is Low Noise, High PSRR, Replica LDO?

Low Noise, High PSRR, Replica LDO is a LDO Voltage Regulator IP core from Weasic Microelectronics listed on Semi IP Hub. It is listed with support for globalfoundries.

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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