The WEALDORP18NI12RRSP22M22G is a voltage regulator operating from 1.8 V voltage supply. The WEALDO18NI12SFN12M22G provides one output voltage 1.2 V driving output load that sinks specific current
Low Noise, High PSRR, Replica LDO
Overview
Key Features
- Power Supply : 1.8 V
- Output voltage : 1.2 V
- Quiescent current : 6.54 mA
- Maximum current : 56.54 mA
- PSRR : 29 dB @1 MHz
- Noise : -173 dBV/sqrt (Hz)
- ((2.05nV/sqrt(Hz))@ 1 MHz
- Bandwidth : 14.8 KHz
- Reference Voltage : 1.2 V
- Drop - out Voltage :102 uV (vdd18:1.6 V-1.8 V)
- DeltaVmax(transient response) : 0.075 V/us
- (Cload 10p)
- Area/Dissipation : 260 um x 124 um / ..uA
- Process : 22FDX
- Metal Option : 19
Block Diagram

Technical Specifications
Foundry, Node
GLOBALFOUNDRIES, 45RFSOI
Maturity
GDS Ready