The WEALDOLR18NI2SFN42M22G is a voltage regulator operating from 1.8 V. It provides four output voltages 1.2 V driving output load that sinks specific current. The first two output voltages apply to the VCO, the second drives the OutBuffer and the last one drives the digital circuitry.
Low Noise, High PSRR, Replica LDO
Overview
Key Features
- Power Supply : 1.8 V
- Output voltage : 1.2 V
- Quiescent current: 7.9 mA
- Maximum current : 101 mA
- Reference Voltage : 1.2 V
- PSRR : 56 dB @1 KHz
- 33 dB @1 MHz
- Noise @1KHz: -144 dBV/sqrt (Hz)
- (57 nV/sqrt (Hz))
- Noise @1MHz: -184 dBV/sqrt (Hz)
- (0.63 nV/sqrt (Hz))
- Bandwidth: 8.2 KHz
- Offest : 48 mV
- Load regulation:
- -3.73 mV/mA Iload from 0-60mA
- (-3.65 mV/mA Iload close to 20mA)
- WakeUp Time (1) : 34 ns
- Area : 210 um x 400 um
- Process : 22FDX
- Metal Option : 19
- (1) Cload=10 pF
Block Diagram
Technical Specifications
Foundry, Node
GLOBALFOUNDRIES, 22FDX
Maturity
GDS Ready
GLOBALFOUNDRIES
Pre-Silicon:
22nm
FDX