Low-quiescent DC/DC buck converter in TSMC 22ULL supporting an 1.62 V to 3.63 V input voltage range with low quiescent current and high efficiency at light load. No LL PMOS layer required (no extra mask).
Key Benefits
- Low quiescent current to ensure minimum current consumption in deep sleep / hibernation mode
- High efficiency at light load to extend battery lifetime
- Low ripple value to supply noise sensitive and RF loads
- Small, low-cost 1 uH inductor suported
- No LL PMOS layer required (no extra mask)
Key Features
| PARAMETERS | CONDITION |
Minimum value
|
Typical value
|
Maximum value
|
|---|---|---|---|---|
|
Input Voltage
|
- | 1.62 V | 3.63 V | |
|
Output Voltage
|
- | 0.6 V | 2.5 V | |
|
Output current configuration
|
- | - | 100 mA;200 mA;300 mA;30 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
- For 200 mA HDO configuration (w/o LL PMOS layer):
- 295 nA quiescent current
- 3.3 V to 1.8 V: up to 87 % peak efficiency
- 3.3 V to 0.8 V: up to 85 % peak efficiency
- 76 % efficiency at 10 µA of load
- 3% DC output voltage accuracy
Technical information
- Technology: TSMC 22 uLL
- Add-ons:
- -