Overview
The onsemi NCP4306DADZZDASNT1G is a high-performance driver designed to control synchronous rectification MOSFETs in switch-mode power supplies. This component is tailored for various power supply topologies, including DCM or CCM flyback, quasi-resonant flyback, forward, and half-bridge resonant LLC configurations. It features advanced capabilities such as self-synchronization, Kelvin connection to the MOSFET, and light load detection, ensuring high efficiency and reliable operation.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | onsemi |
| Maximum Switching Frequency | 1 MHz |
| Output Voltage | 11 V |
| Output Current | 2 A, 7 A |
| Number of Outputs | 1 |
| Mounting Type | Surface Mount |
| Package Type | TSOP |
| Pin Count | 6 |
| Dimensions | 3.1 x 1.7 x 1 mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +125 °C |
| Maximum Operating Supply Voltage | 35 V |
Key Features
- Self-synchronization feature for reliable and noiseless operation of the synchronous rectification system.
- Kelvin connection to the MOSFET for high efficiency operation at full load.
- Light load detection architecture for high efficiency at light loads.
- Precise turn-off threshold and extremely low turn-off delay time (typically 15 ns) for maximum synchronous rectification MOSFET conduction time.
- High sink current capability (7 A sink, 2 A source drive).
- Optional ultrafast (10.5 ns) trigger input and disable input).
- Adjustable minimum ON time and minimum OFF time).
- dV/dt detection and zero current detection pin capability up to 200 V).
- Automatic light load disable mode and 3.5V UVLO with operation voltage range up to 35V).
Applications
- High Power Density AC/DC Power Supplies).
- Notebook Adapters).
- Server Power Supplies aux power stage).
- ATX & All-in-one Power Supplies).
- High Density USB Adapters).
Q & A
- What is the primary function of the NCP4306DADZZDASNT1G?
The NCP4306DADZZDASNT1G is a high-performance driver designed to control synchronous rectification MOSFETs in switch-mode power supplies).
- What are the key topologies supported by this component?
It supports DCM or CCM flyback, quasi-resonant flyback, forward, and half-bridge resonant LLC configurations).
- What is the maximum switching frequency of the NCP4306DADZZDASNT1G?
The maximum switching frequency is 1 MHz).
- What are the output current capabilities of this component?
The output current capabilities are 2 A and 7 A).
- What is the package type and pin count of the NCP4306DADZZDASNT1G?
The package type is TSOP with a pin count of 6).
- What are the operating temperature ranges for this component?
The minimum operating temperature is -40 °C, and the maximum operating temperature is +125 °C).
- What is the maximum operating supply voltage for the NCP4306DADZZDASNT1G?
The maximum operating supply voltage is 35 V).
- What are some of the key features that enhance efficiency in this component?
Key features include self-synchronization, Kelvin connection to the MOSFET, light load detection, and adjustable minimum ON and OFF times).
- In what types of applications is the NCP4306DADZZDASNT1G typically used?
Typical applications include high power density AC/DC power supplies, notebook adapters, server power supplies, ATX & all-in-one power supplies, and high density USB adapters).
- What is the significance of the zero current detection pin capability up to 200 V?
The zero current detection pin capability up to 200 V ensures precise true secondary zero current detection, enhancing the overall efficiency and reliability of the synchronous rectification system).
