Nano power DC-DC converter in TSMC 22ULL with ultra-low quiescent current and high efficiency at light load, supporting 1.62 V to 3.63 V input voltage.
Key Benefits
- High efficiency, PFM modulating
- Programmable output voltage
- Output current limiter
- Very low output ripple voltage
- Configurable output stage for optimized area adapted to load current
- Embedded power pads with ESD protections
- Trimmable DC-DC Converter Output Voltage
- Embedded Level Shifters with isolation capabilities on control signals
- Embedded soft-start solution
- Active/Shutdown modes set by EN input and High impedance outputmode set by HIZ input (for test purpose only)
- Fully integrated feedback and compensation circuitry
- Compatible with Local Supply Monitoring
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
|
- | - | 1000 mA;200 mA;300 mA;30 mA;400 mA;500 mA;50 mA | - |
|
Quiescent current typical value
|
Iload=0mA | - | 490 nA | - |
|
Accuracy
|
without trim | - | - | +4% |
|
Efficiency
|
0.001Imax // AVDPWR = 3.3 V // Vreg = 1.8 V | - | - | 94% |
|
PSRR
|
NA | - | NA | - |
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
- 410 nA Quiescent current (for I1000HDO configurations)
- 340 nA fast-shutdown current (for I1000HDO configurations)
- Up to 93 % peak efficiency (3.3*VIN to 1.8*VOUT) (for I1000HDO configurations)
- Up to 87 % peak efficiency (3.3*VIN to 0.8*VOUT) (for I1000HDO configurations)
- 80 % efficiency down to 0.001*IMAX (for I1000HDO configurations)
- 70 % efficiency for 10 µA of load (for I1000HDO configurations)
- 3 % DC output voltage accuracy
Technical information
- Technology: TSMC 22 uLL
- Embedded features:
- Output trimming + VREF output
- Add-ons:
- -