NCP3231: High Current Synchronous Buck Converter
The NCP3231 is a high current, high efficiency voltage-mode synchronous buck converter which operates from 4.5 V to 18 V input and generates output voltages down to 0.6 V at up to 25 A DC load or 30 A instantaneous load.
Features- Wide input voltage range from 4.5V to 18V
- 500KHz switching frequency
- Lossless low-side FET current sensing
- 0.6V internal reference volttage
- External programmable soft-start
- Output Over-voltage Protection and Under-voltage Protection
- System Over-temperature Protection using a Thermistor or Sensor
- Hiccup Mode Operation for all Faults
- Pre-bias Start-up
- Adjustable Output Voltage
- Power Good Output
- Internal Over-temperature Protection
| Benefits- Supports wide range of applications
- Requires small inductor and low number of output capacitors
- Improve efficiency
|
Applications- 25A voltage regulators in a 6x6 QFN pacakge
- ASIC, FPGA, DSP and CPU Core and I/O Supplies
| End Products- Cellular Base Stations
- Telecom and Network Equipment
- Server and Storage System
|
Design & Development Tools (1)
| Document Title | Document ID/Size | Revision | Revision Date |
|---|
| NCP3231 Design Aid | NCP3231 Design Aid (101kB) | 0 | Nov, 2016 |
Data Sheets (1)
Package Drawings (1)
Simulation Models (1)
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| NCP3231MNTXG | Active | Pb-free
Halide free | QFN-40 | 485CM | 3 | Tape and Reel | 2500 | $1.2 |
Specifications
| Product | Topology | Control Mode | VCC Min (V) | VCC Max (V) | VO Typ (V) | IO Typ (A) | Efficiency (%) | fSW Typ (kHz) |
|---|
| NCP3231MNTXG | Step-Down | Voltage Mode | 4.5 | 18 | 3.3 | 25 | 94 | 500 |
