Audio-Grade DC/DC Buck Converter in GF 22FDX
DCDC-ADG-1.62-5.5-0.5-3.3-A01-G22FDX+_GF_22_FDX+ is an Audio Grade DC/DC Buck Converter in GF 22FDX+ aimed at supplying battery-p…
Overview
DCDC-ADG-1.62-5.5-0.5-3.3-A01-G22FDX+_GF_22_FDX+ is an Audio Grade DC/DC Buck Converter in GF 22FDX+ aimed at supplying battery-powered audio IPs.
| 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;200 mA;50 mA | - |
|
Quiescent current typical value |
385 nA | - | - |
Key features
- Quiescent current (typ): 385 nA
- Shutdown current (typ): 165 nA
- Peak efficiency (typ):
- 3.3 V to 1.8 V: up to 90%
- 3.3 V to 0.8 V: up to 82%
- Efficiency at 0.1% of Imax=200mA (typ): 82%
- Efficiency at 10 µA (typ): 70%
- Output voltage DC accuracy: 3%
Block Diagram
Benefits
- Supply noise-sensitive audio blocks via an ultrasonic mode: 25 kHz switching frequency clamping
- High efficiency, PFM modulation
- Programmable output voltage
- Output current limiter
- Configurable output stage for optimized area adapted to load current
- Embedded power pads with ESD protections and HV-tolerant
- Embedded voltage reference
- Embedded soft-start solution
- Embedded Regulation OK output
- Active/Shutdown modes set by EN and High impedance output mode set
- by HIZ input (for test purpose only)
Applications
- Bluetooth
- Cellular IoT
- GNSS
- Hearing aids
- NB-IoT
- Smart Headset
- Smart Speaker
- TWS Earpods
- ULP MCU
- Voice-controlled devices
Silicon Options
| Foundry | Node | Process | Maturity |
|---|---|---|---|
| GlobalFoundries | 22nm | FDX | — |
Specifications
Identity
Files
Note: some files may require an NDA depending on provider policy.
Provider
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Frequently asked questions about DC-DC Converter IP cores
What is Audio-Grade DC/DC Buck Converter in GF 22FDX?
Audio-Grade DC/DC Buck Converter in GF 22FDX is a DC/DC Converter IP core from Dolphin Semiconductor listed on Semi IP Hub. It is listed with support for globalfoundries.
How should engineers evaluate this DC/DC Converter?
Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this DC/DC Converter IP.
Can this semiconductor IP be compared with similar products?
Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.