High-efficiency, low BoM, DC/DC buck converter in GF 22FDX
Key Benefits
- Dual Mode PWM for high efficiency at low loads
- Support of small, low-cost inductors: down to 4.7 µH for 100 mA
- Programmable output voltage (5 bits)
- Configurable power stages for area optimization
- Embedded Bandgap voltage reference, oscillator and I/O pads
- Regulator status output flag (ROK)
Key Features
| PARAMETERS | CONDITION |
Minimum value
|
Typical value
|
Maximum value
|
|---|---|---|---|---|
|
Input Voltage
|
- | 1.9 V | 5.5 V | |
|
Output Voltage
|
- | 0.6 V | 3.3 V | |
|
Output current configuration
|
- | - | 1000 mA;100 mA;200 mA;300 mA;400 mA;500 mA | - |
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
- Peak efficiency (typ): up to 95 %
- Efficiency down to 0.2 IMAX: 90%
- efficiency down to 0.01 IMAX: 70%
- Output voltage DC accuracy: 3%
Technical information
- Technology: GlobalFoundries 22 FDX
- Add-ons:
- -