Overview
The NCV6323BMTAAWTBG is a synchronous buck converter produced by onsemi, designed to optimize power supply for various subsystems in portable applications. This device is capable of delivering up to 2 A of output current and operates with an adjustable output voltage. It is particularly suited for devices powered by one-cell Li-ion or three-cell Alkaline/NiCd/NiMH batteries. The NCV6323BMTAAWTBG features a high switching frequency of 3 MHz, enabling the use of small-sized inductors and capacitors, which is beneficial for space-saving designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5 to 5.5 | V |
| Output Voltage Range | 0.6 to VIN | V |
| Output Current Capability | Up to 2 | A |
| Switching Frequency | 2.7 to 3.3 | MHz |
| Package Type | WDFNW8 with wettable flanks | - |
| Package Dimensions | 2.0 x 2.0 x 0.75 mm | - |
| Thermal Shutdown Threshold | 170 | °C |
| ESD Rating (HBM) | 2000 | V |
| ESD Rating (MM) | 200 | V |
Key Features
- Synchronous rectification for improved system efficiency
- External adjustable output voltage
- Enable input and power good output option
- Soft-start to limit inrush current
- Active output discharge when disabled
- Overcurrent protection and cycle-by-cycle current limitation
- Negative current protection
- Thermal shutdown protection
- AEC-Q100 qualified and PPAP capable
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
- Cellular phones, smartphones, and PDAs
- Portable media players
- Digital still cameras
- Wireless and DSL modems
- USB powered devices
- Point of load applications
- Game and entertainment systems
Q & A
- What is the input voltage range of the NCV6323BMTAAWTBG?
The input voltage range is from 2.5 V to 5.5 V.
- What is the maximum output current capability of the NCV6323BMTAAWTBG?
The device can deliver up to 2 A of output current.
- What is the switching frequency of the NCV6323BMTAAWTBG?
The switching frequency is typically 3 MHz.
- What type of package does the NCV6323BMTAAWTBG come in?
The device is packaged in a WDFNW8 package with wettable flanks.
- Does the NCV6323BMTAAWTBG have thermal shutdown protection?
Yes, it has thermal shutdown protection that triggers when the die temperature exceeds 170°C.
- What is the purpose of the soft-start feature in the NCV6323BMTAAWTBG?
The soft-start feature limits the inrush current when the converter is enabled, preventing voltage spikes and ensuring a smooth startup.
- How does the active output discharge feature work in the NCV6323BMTAAWTBG?
When the device is disabled (EN is low), an internal discharge resistor is enabled to discharge the output capacitor through the SW pin.
- Is the NCV6323BMTAAWTBG compliant with automotive standards?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the ESD rating of the NCV6323BMTAAWTBG?
The device has an ESD rating of 2000 V (HBM) and 200 V (MM).
- Is the NCV6323BMTAAWTBG environmentally friendly?
Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant.
