Capacitor-less low input voltage LDO regulator in GlobalFoundries 22FDX
Key Benefits
- Low BoM cost - no output capacitor required
- Low Power (LP) mode to supply AON domain
- Programmable output voltage
- Low silicon area
Key Features
| PARAMETERS | CONDITION |
Minimum value
|
Typical value
|
Maximum value
|
|---|---|---|---|---|
|
Input Voltage
|
- | 0.72 V | 1.2 V | |
|
Output Voltage
|
- | 0.5 V | 0.8 V | |
|
Output current configuration
|
- | - | 10 mA;20 mA;50 mA;5 mA | - |
|
Quiescent current typical value
|
Normal Mode, Iload=0mA | - | 10 uA | - |
|
Accuracy
|
PVT, including Line and Load Regulation, @Vout=0.8V | - | - | -3% min to +3% max |
|
PSRR
|
@DC, Normal mode, from AVD | - | -40 dB | - |
Applications
- Bluetooth
- Cellular IoT
- GNSS
- Hearing aids
- NB-IoT
- Smart Headset
- Smart Speaker
- TWS Earpods
- ULP MCU
- Voice-controlled devices
- Voice Assistant
- WiFi
Key Performances
- Input voltage range: 0.72 V - 1.2 V
- Output voltage range: 0.5 V - 0.8 V
- Normal and LP modes
- Output current in normal mode: 10, 20 or 50 mA (configurable)
- Output current in LP mode: 1 to 5 mA (configurable)
- Typical quiescent current:
- - normal mode @ no load: 1.3 µA
- - normal mode @ 50 mA: 48 µA
- - low-power mode @ no load: 0.6 µA
- - low-power mode @ 5 mA: 25 µA
- DC accuracy: ±3.5 %
- Shutdown current: 50 nA
- PSRR: - 40 dB @ DC
Technical information
- Technology: GlobalFoundries 22 FDX