Overview
The NCP1012AP065 is a self-supplied monolithic switcher integrated circuit (IC) designed by onsemi. This component is part of the NCP101X series, which combines a fixed-frequency current-mode controller with a high-voltage power MOSFET in a single monolithic structure. This integration makes it an ideal solution for building rugged and low-cost Switch-Mode Power Supplies (SMPS) with low standby power. The NCP1012AP065 is housed in either a PDIP-7 or SOT-223 package, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain Voltage | 0 to 700 | V |
| Peak Drain Current | 250 | mA |
| Oscillation Frequency | 65 kHz | kHz |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
| Power Switch Breakdown Voltage | 700 | V |
| Turn-on Time | 20 | ns |
| Turn-off Time | 10 | ns |
| Internal Current Setpoint | 225 to 275 | mA |
Key Features
- Dynamic Self-Supply (DSS): The IC can be powered directly from the high-voltage DC rail, simplifying transformer design and improving control in difficult output conditions.
- Low Standby Power: Designed for low standby power consumption, making it energy-efficient.
- Current-Mode Control: Features a fixed-frequency current-mode controller for precise control over the power supply.
- High-Voltage MOSFET: Includes a 700 V power MOSFET integrated into the IC.
- Short-Circuit Protection: Built-in protection against short-circuit conditions.
- Versatile Packaging: Available in PDIP-7 and SOT-223 packages.
Applications
- Offline Switch-Mode Power Supplies (SMPS): Ideal for building low-cost and rugged SMPS with low standby power.
- Constant Current Operations: Suitable for applications requiring constant current output.
- Auxiliary Power Supplies: Can be used with an auxiliary winding for improved standby performance.
- Industrial and Consumer Electronics: Applicable in various industrial and consumer electronic devices requiring efficient power management.
Q & A
- What is the NCP1012AP065?
The NCP1012AP065 is a self-supplied monolithic switcher IC that integrates a fixed-frequency current-mode controller and a high-voltage power MOSFET.
- What are the key features of the NCP1012AP065?
Key features include Dynamic Self-Supply (DSS), low standby power, current-mode control, a high-voltage MOSFET, and short-circuit protection.
- What is the maximum drain voltage of the NCP1012AP065?
The maximum drain voltage is 700 V.
- What are the available package types for the NCP1012AP065?
The IC is available in PDIP-7 and SOT-223 packages.
- What is the typical oscillation frequency of the NCP1012AP065?
The typical oscillation frequency is 65 kHz.
- What is the maximum junction temperature for the NCP1012AP065?
The maximum junction temperature is 150°C.
- Does the NCP1012AP065 have built-in short-circuit protection?
- Can the NCP1012AP065 be used in constant current operations?
- What is the purpose of the Dynamic Self-Supply (DSS) feature?
The DSS feature allows the IC to be powered directly from the high-voltage DC rail, simplifying transformer design and improving control in difficult output conditions.
- What are some common applications of the NCP1012AP065?
