The WEALDORP1812NI08SFN22M22G is a voltage regulator operating from 1.8 V and 1.2 V power supplies. The WEALDORP1812NI08SFN22M22G provides two 0.8 V outputs. The outA output has double current driving capability compared to outB. Due to poor dc-line regulation the accuracy of the output voltage can be calibrated through a 4 bit binary control when the load current varies under a wide range.
Low Noise, High PSRR, Replica LDO
Overview
Key Features
- Power Supplies : 1.2 V, 1.8 V
- Output voltage : 0.8 V
- Quiescent current: 7.3 mA
- Maximum current: 74.8 mA
- Reference Voltage: 0.8 V
- PSRR (1): 70 dB @1 KHz, 1.8 V
- 65 dB @1 KHz, 1.2 V
- PSRR (1): 48 dB @1 MHz,1.8 V
- 20 dB @1 MHz,1.2 V
- Noise @1KHz: -145 dBV/sqrt (Hz)
- (53 nV/sqrt (Hz))
- Noise @1MHz: -174 dBV/sqrt (Hz)
- (1.9 nV/sqrt (Hz))
- Bandwidth: 6.86 KHz
- Drop-out voltage: 3.8 uV (vdd12 : 1 V – 1.2
- V)
- Load regulation:
- -3.6 mV/mA Iload from 0-60mA
- (-2.6 mV/mA Iload close to 20mA)
- WakeUp Time : 11 ns
- Area : 280 um x 170 um
- Process : 22FDX
- Metal Option : 19
- (1)Filter: R=10Kohm, C=81pF
Block Diagram
Technical Specifications
Short description
Low Noise, High PSRR, Replica LDO
Vendor
Vendor Name
Foundry, Node
GLOBALFOUNDRIES, 22FDX
Maturity
GDS Ready
GLOBALFOUNDRIES
Pre-Silicon:
22nm
FDX