DC/DC buck converter in GF 22FDX with low-quiescent current and high efficiency at light load
Key Benefits
- Supply active & AON domains from a single converter
- Extend battery lifetime:
- - during SoC active mode: high power efficiency
- - during SoC standby mode: low quiescent current
-
- Low ripple compatible with noise sensitive blocs
-
- Small, low-cost inductor: 1 to 2.2 µH
- Embedded voltage reference
- Optional Vref output
Key Features
| PARAMETERS | CONDITION |
Minimum value
|
Typical value
|
Maximum value
|
|---|---|---|---|---|
|
Input Voltage
|
- | 1.62 V | 5.5 V | |
|
Output Voltage
|
- | 0.55 V | 3.3 V | |
|
Output current configuration
|
- | - | 100 mA;10 mA;200 mA;300 mA;30 mA;400 mA;500 mA;50 mA | - |
Applications
- Bluetooth
- Cellular IoT
- GNSS
- Hearing aids
- NB-IoT
- Smart Headset
- Smart Speaker
- TWS Earpods
- ULP MCU
- Voice-controlled devices
Key Performances
- Quiescent current (typ): 385 nA
- Peak efficiency (typ): up to 90%
- Efficiency at 10 µA (typ): up to 85%
- Output voltage ripple: 5.5 mV
- Output voltage DC accuracyt: ±2.6%
Technical information
- Technology: GlobalFoundries 22 FDX
- Add-ons:
- OPM-G2-1.62-5.5-1.8.01_GF_22_FDX