Overview
The NCP1011ST130T3G, produced by onsemi, is a part of the NCP101X series of monolithic switchers designed for low standby power offline Switch-Mode Power Supplies (SMPS). This component integrates a fixed-frequency current-mode controller and a 700 V MOSFET, making it a comprehensive solution for building rugged and low-cost power supplies. The NCP1011ST130T3G is housed in a SOT-223 package and features advanced functionalities such as soft-start, frequency jittering, short-circuit protection, and dynamic self-supply, eliminating the need for an auxiliary winding.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-223 | - |
| MOSFET Voltage Rating | 700 | V |
| On-State Resistance (RDSon) | 11 | Ω |
| Peak Current Limit | 250 | mA |
| Operating Frequency | 130 | kHz |
| Internal Soft-Start Time | 1.0 | ms |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
| Standby Power (with auxiliary winding) | < 100 | mW |
Key Features
- Integrated 700 V MOSFET with low on-state resistance (RDSon of 11 Ω)
- Current-mode fixed frequency operation (65 kHz, 100 kHz, 130 kHz)
- Dynamic Self-Supply (DSS) - no need for an auxiliary winding
- Internal 1.0 ms soft-start
- Latched overvoltage protection with auxiliary winding operation
- Frequency jittering for better EMI signature
- Auto-recovery internal output short-circuit protection
- Below 100 mW standby power if auxiliary winding is used
- Internal temperature shutdown
- Direct optocoupler connection
Applications
- Low power AC/DC adapters for chargers
- Auxiliary power supplies for USB, appliances, TVs, etc.
Q & A
- What is the NCP1011ST130T3G used for? The NCP1011ST130T3G is used for building low standby power offline Switch-Mode Power Supplies (SMPS).
- What package type does the NCP1011ST130T3G come in? The NCP1011ST130T3G is housed in a SOT-223 package.
- What is the voltage rating of the MOSFET in the NCP1011ST130T3G? The MOSFET has a voltage rating of 700 V.
- What is the peak current limit of the NCP1011ST130T3G? The peak current limit is 250 mA.
- What are the operating frequencies available for the NCP1011ST130T3G? The operating frequencies are 65 kHz, 100 kHz, and 130 kHz.
- Does the NCP1011ST130T3G require an auxiliary winding? No, it features Dynamic Self-Supply (DSS), eliminating the need for an auxiliary winding.
- What is the internal soft-start time of the NCP1011ST130T3G? The internal soft-start time is 1.0 ms.
- What is the maximum junction temperature for the NCP1011ST130T3G? The maximum junction temperature is 150°C.
- What is the standby power consumption of the NCP1011ST130T3G with an auxiliary winding? The standby power consumption is below 100 mW.
- Does the NCP1011ST130T3G have built-in short-circuit protection? Yes, it has auto-recovery internal output short-circuit protection.
