Overview
The NCP1060AD060R2G, produced by onsemi, is a high-voltage switcher designed for low power offline Switch-Mode Power Supplies (SMPS). This integrated circuit combines a fixed frequency current mode controller with a 700 V MOSFET, offering a high level of integration and efficiency. It is available in various packages, including PDIP-7, SOIC-10, and SOIC-16, making it versatile for different application needs.
The NCP1060AD060R2G features advanced protection mechanisms such as Over Power Protection (OPP), short-circuit protection, and overvoltage protection with auto-recovery. It also includes frequency foldback and skip modes to optimize efficiency at light loads and reduce standby consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Frequency | 60 kHz | kHz |
| MOSFET RDS(on) | 34 Ω | Ω |
| Maximum Drain Voltage | 700 V | V |
| Maximum Peak Current (IIPK) | 300 mA | mA |
| Thermal Resistance (Junction-to-Air) - PDIP7 | 115 °C/W | °C/W |
| VCC(on) Level | 8.4 - 9.5 V | V |
| VCC(min) Level | 7.0 - 7.8 V | V |
| VCC(off) Level (UVLO) | 6.7 - 7.2 V | V |
| Internal IC Consumption at 60 kHz | 84 μA | μA |
| Turn-on Time | 20 ns | ns |
| Turn-off Time | 10 ns | ns |
| Temperature Shutdown | 150 °C | °C |
Key Features
- Current-Mode Fixed Frequency Operation: Available at 60 kHz or 100 kHz, with the option for 130 kHz on demand.
- Built-in 700 V MOSFET: With an RDS(on) of 34 Ω for the NCP1060, enabling the design of power supplies up to 7.8 W.
- Dynamic Self-Supply: Eliminates the need for an auxiliary winding, reducing input power consumption.
- Advanced Protection Mechanisms: Includes Over Power Protection (OPP), short-circuit protection, overvoltage protection with auto-recovery, and AC input line voltage detection.
- Frequency Foldback and Skip Modes: Optimizes efficiency at light loads and reduces standby consumption.
- Soft-Start and Ramp Compensation: Ensures smooth startup and stable operation.
- High Creepage Distance: Between high-voltage pins, enhancing safety and reliability.
Applications
- Auxiliary / Standby Power Supplies: Both isolated and non-isolated configurations.
- Power Meter SMPS: Suitable for power meter applications requiring high efficiency and low standby power.
- Wide Vin Low Power Industrial SMPS: Ideal for industrial power supplies with wide input voltage ranges.
- Open Frame and Adapter Power Supplies: Can be used in various adapter and open frame power supply designs.
Q & A
- What is the operating frequency of the NCP1060AD060R2G?
The operating frequency is 60 kHz, with options for 100 kHz and 130 kHz on demand.
- What is the RDS(on) of the MOSFET in the NCP1060AD060R2G?
The RDS(on) of the MOSFET is 34 Ω.
- What are the key protection features of the NCP1060AD060R2G?
The key protection features include Over Power Protection (OPP), short-circuit protection, overvoltage protection with auto-recovery, and AC input line voltage detection.
- How does the NCP1060AD060R2G optimize efficiency at light loads?
The IC optimizes efficiency through frequency foldback and skip modes, reducing standby consumption.
- What is the maximum drain voltage of the NCP1060AD060R2G?
The maximum drain voltage is 700 V.
- What are the typical applications of the NCP1060AD060R2G?
Typical applications include auxiliary/standby power supplies, power meter SMPS, wide Vin low power industrial SMPS, and open frame/adaptor power supplies.
- How does the Dynamic Self-Supply feature work?
The Dynamic Self-Supply feature eliminates the need for an auxiliary winding, reducing input power consumption by using an internal high-voltage current source.
- What is the thermal resistance of the NCP1060AD060R2G in a PDIP7 package?
The thermal resistance is 115 °C/W.
- What are the VCC(on), VCC(min), and VCC(off) levels of the NCP1060AD060R2G?
The VCC(on) level is 8.4 - 9.5 V, VCC(min) is 7.0 - 7.8 V, and VCC(off) is 6.7 - 7.2 V.
- What is the turn-on and turn-off time of the NCP1060AD060R2G?
The turn-on time is 20 ns, and the turn-off time is 10 ns.
