ONSEMI NCP4303BDR2G
Manufacturer No:
NCP4303BDR2G
Manufacturer:
Package:
8-SOIC (0.154, 3.90mm Width)
Description:
Secondary Side Controller, Synchronous Rectification, for High Efficiency SMPS
Quantity:
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NCP4303BDR2G Information
ONSEMI NCP4303BDR2G technical specifications, attributes, parameters and parts with similar specifications to ONSEMI NCP4303BDR2G.
- Type
- Parameter
- Case Outline
- 751-07
- MSL Temp (°C)
- 260
- Container Type
- REEL
- VCC Max (V)
- 30
- Vref Typ (V)
- 6
- ICC Max (A)
- 0.0093
- TA Max (°C)
- 125
- Package Type
- SOIC-8
- Container Qty.
- 2500
- TA Min (°C)
- -40
- Type
- Parameter
- MSL Type
- 1
Download datasheets and manufacturer documentation for ONSEMI NCP4303BDR2G.
Datasheet:
Package Drawing:
The NCP4303A/B is a full featured controller and driver tailored to control synchronous rectifier circuitry in switch mode power supplies. Because of its versatility, it can be used in various topologies such as flyback, forward and half bridge resonant LLC.The combination of externally adjustable minimum on and off times helps to fight the ringing induced by the PCB layout and other parasitic elements. Therefore, a reliable and noise less operation of the SR system is insured.The extremely low turn off delay time, high sink current capability of the driver and automatic package parasitic inductance compensation system allow to maximize synchronous rectification MOSFET conduction time that enables further increase of SMPS efficiency.Finally, a wide operating VCC range combined with two versions of driver voltage clamp eases implementation of the SR system in 24 V output applications.NCP4304 is recommended for new designs. NCP4303 will continue to be supported in production. NCP4304 was introduced to enhance the performance of LLC designs which use the Trigger input. Other performance and applications are the same.
Application
- ATX power supplies
- High Power AC/DC adapters
- Flat TV power supplies
End Product
- All-in-one PCs
- Gaming Consoles
- Notebook Adapters
Feature
- Automatic parasitic inductance compensation input
- 40 ns turn off delay from current sense input to driver output
- Wide Vcc operating range up to 30 V
- Externally adjustable minimum on and minimum off times
- Trigger input for interfacing with primary side switching signal
- Disable input for standby mode
- 5 A / 2.5 A peak sink / source drive capability
- True secondary ZCD with adjustable threshold
- Gate drive clamp of either 12 V (A version) or 6 V (B version)
- Maximum frequency of operation up to 500 kHz
NCP4303BDR2G Relevant information
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