Overview
The NCP1013ST100T3G is a self-supplied monolithic switcher from onsemi, designed for low standby power offline Switch-Mode Power Supplies (SMPS). This device 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 NCP1013ST100T3G is part of the NCP101X series, which offers various features such as dynamic self-supply, soft-start, frequency jittering, and short-circuit protection, ensuring reliable and efficient operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| MOSFET Voltage Rating | 700 | V |
| Typical RDSon | 11 | Ω |
| Peak Current Limit | 350 | mA |
| Operating Frequency | 100 | kHz |
| Package Type | SOT-223 | - |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
| Internal Soft-Start Time | 1.0 | ms |
| Temperature Shutdown | 140 to 160 | °C |
Key Features
- Built-in 700 V MOSFET with typical RDSon of 11 Ω
- Current-mode fixed frequency operation: 65 kHz, 100 kHz, 130 kHz
- Skip-cycle operation at low peak currents to eliminate acoustic noise
- 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
- SPICE models available for transient analysis
- Pb-free and halide-free devices
Applications
- Low power AC/DC adapters for chargers
- Auxiliary power supplies (USB, appliances, TVs, etc.)
Q & A
- What is the NCP1013ST100T3G used for?
The NCP1013ST100T3G is used for building low standby power offline Switch-Mode Power Supplies (SMPS).
- What is the voltage rating of the MOSFET in the NCP1013ST100T3G?
The MOSFET in the NCP1013ST100T3G has a voltage rating of 700 V.
- What are the operating frequencies of the NCP1013ST100T3G?
The NCP1013ST100T3G operates at frequencies of 65 kHz, 100 kHz, and 130 kHz.
- Does the NCP1013ST100T3G require an auxiliary winding?
No, the NCP1013ST100T3G features Dynamic Self-Supply (DSS), which eliminates the need for an auxiliary winding.
- What is the typical RDSon of the MOSFET in the NCP1013ST100T3G?
The typical RDSon of the MOSFET in the NCP1013ST100T3G is 11 Ω.
- What is the peak current limit of the NCP1013ST100T3G?
The peak current limit of the NCP1013ST100T3G is 350 mA.
- What is the internal soft-start time of the NCP1013ST100T3G?
The internal soft-start time of the NCP1013ST100T3G is 1.0 ms.
- What is the temperature shutdown range of the NCP1013ST100T3G?
The temperature shutdown range of the NCP1013ST100T3G is between 140°C and 160°C.
- Is the NCP1013ST100T3G Pb-free and halide-free?
- What are some typical applications of the NCP1013ST100T3G?
Typical applications include low power AC/DC adapters for chargers and auxiliary power supplies for USB, appliances, and TVs.
