Overview
The NCV6323BMTAATBG 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 with an adjustable output voltage. It operates at a high switching frequency of 3 MHz, allowing the use of small-sized inductors and capacitors, which is beneficial for space-constrained designs. The converter is optimized for use with one-cell Li-ion or three-cell Alkaline/NiCd/NiMH batteries and features input supply voltage feedforward control and synchronous rectification to enhance system efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5 to 5.5 | V |
| Output Voltage Range | 0.6 to 5.5 | V |
| Output Current Capability | Up to 2 | A |
| Switching Frequency | 2.7 to 3.3 | MHz |
| Package Type | WDFN8, WDFNW8 with wettable flanks | - |
| Package Dimensions | 2.0 x 2.0 x 0.75 mm | - |
| Maximum Height | 0.8 mm | - |
| Thermal Shutdown Threshold | 170 | °C |
| High-Side MOSFET ON Resistance (VIN = 3.6 V) | 160 to 200 | mΩ |
| Low-Side MOSFET ON Resistance (VIN = 3.6 V) | 110 to 140 | mΩ |
Key Features
- External adjustable output voltage
- Synchronous rectification for improved efficiency
- Enable input and power good output option
- Soft-start to limit inrush current
- Overcurrent protection and cycle-by-cycle current limitation
- Active output discharge when disabled
- 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 NCV6323BMTAATBG? The input voltage range is from 2.5 V to 5.5 V.
- What is the maximum output current capability of the NCV6323BMTAATBG? The device can deliver up to 2 A of output current.
- What is the switching frequency of the NCV6323BMTAATBG? The switching frequency is between 2.7 MHz and 3.3 MHz.
- What type of package does the NCV6323BMTAATBG come in? It comes in WDFN8 and WDFNW8 packages with wettable flanks.
- Is the NCV6323BMTAATBG AEC-Q100 qualified? Yes, it is AEC-Q100 qualified and PPAP capable.
- What is the thermal shutdown threshold of the NCV6323BMTAATBG? The thermal shutdown threshold is 170°C.
- Does the NCV6323BMTAATBG have overcurrent protection? Yes, it has cycle-by-cycle current limitation and overcurrent protection.
- How does the soft-start feature work in the NCV6323BMTAATBG? The soft-start feature limits inrush current by ramping up the output voltage over a specified time after the enable signal is applied.
- What is the purpose of the power good output option in the NCV6323BMTAATBG? The power good output option monitors the output voltage and provides a signal indicating whether the output voltage is established.
- Is the NCV6323BMTAATBG environmentally friendly? Yes, it is Pb-free, halogen-free/BFR-free, and RoHS compliant.
