DC/DC buck converter in GF 22FDX with low quiescent current and high efficiency at light load.
Key Benefits
- Low quiescent current to ensure minimum current consumption in deep sleep mode.
- High efficiency at light load to extend battery lifetime (74% @ 10 uA)
- Low ripple value to supply noise sensitive and RF loads
- 1 uH inductor
- Configurable output current (depending on application requirements)
Key Features
| PARAMETERS | CONDITION |
Minimum value
|
Typical value
|
Maximum value
|
|---|---|---|---|---|
|
Input Voltage
|
- | 1.9 V | 5.5 V | |
|
Output Voltage
|
- | 0.55 V | 3.3 V | |
|
Output current configuration
|
- | - | 200 mA;400 mA | - |
Applications
- Bluetooth
- Cellular IoT
- GNSS
- Hearing aids
- NB-IoT
- Smart Headset
- Smart Speaker
- TWS Earpods
- ULP MCU
- Voice-controlled devices
Key Performances
- Input voltage from 1.8 V to 5.5 V
- Output voltage from 0.5 V to 3.3 V (programmable)
- 350 nA quiescent current (400 mA)
- Up to 90% peak efficiency (3.3 V -> 0.8V)
- Up to 75% efficiency @ 10 uA
- 6 mVpp output ripple
Technical information
- Technology: GlobalFoundries 22 FDX
- Add-ons:
- OPM-G2-1.9-5.5-1.8.01_GF_22_FDX