Overview
The NCP1013ST130T3G is a member of the NCP101X series, a family of self-supplied 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 NCP1013ST130T3G is housed in a SOT-223 package and features advanced protection mechanisms, low noise operation, and dynamic self-supply capabilities, eliminating the need for an auxiliary winding in many applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOT-223 | |
| MOSFET Voltage Rating | 700 | V |
| On-State Resistance (RDSon) | 11 | Ω |
| Peak Current Setpoint (Ipeak) | 350 | mA |
| Operating Frequency | 130 | kHz |
| Internal Soft-Start Time | 1.0 | ms |
| Temperature Shutdown (TSD) | 150 | °C |
| Maximum Junction Temperature (TJmax) | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
Key Features
- Dynamic Self-Supply (DSS): No need for an auxiliary winding, allowing direct supply from the high-voltage DC rail.
- Current-Mode Fixed Frequency Operation: Available frequencies include 65 kHz, 100 kHz, and 130 kHz.
- Skip-Cycle Operation: Reduces acoustic noise at low peak currents.
- Frequency Jittering: Improves EMI signature.
- Internal Soft-Start: Ensures smooth startup with a guaranteed 1.0 ms soft-start time.
- Overvoltage Protection: Latched overvoltage protection with auxiliary winding operation.
- Short-Circuit Protection: Auto-recovery internal output short-circuit protection.
- Low Standby Power: Below 100 mW standby power if an auxiliary winding is used.
- Internal Temperature Shutdown: Protects the device from overheating.
- Direct Optocoupler Connection: Simplifies feedback loop design.
Applications
- Low Power AC/DC Adapters for Chargers: Ideal for charging applications requiring low standby power.
- Auxiliary Power Supplies: Suitable for USB, appliances, TVs, and other consumer electronics.
Q & A
- What is the NCP1013ST130T3G used for?
The NCP1013ST130T3G is used for building low standby power offline Switch-Mode Power Supplies (SMPS).
- What package type does the NCP1013ST130T3G come in?
The NCP1013ST130T3G is housed in a SOT-223 package.
- What is the MOSFET voltage rating of the NCP1013ST130T3G?
The MOSFET voltage rating is 700 V.
- What is the peak current setpoint of the NCP1013ST130T3G?
The peak current setpoint is 350 mA.
- What are the available operating frequencies for the NCP1013ST130T3G?
The available frequencies are 65 kHz, 100 kHz, and 130 kHz.
- Does the NCP1013ST130T3G require an auxiliary winding?
No, it features dynamic self-supply, eliminating the need for an auxiliary winding in many applications.
- What is the internal soft-start time of the NCP1013ST130T3G?
The internal soft-start time is 1.0 ms.
- What is the temperature shutdown threshold for the NCP1013ST130T3G?
The temperature shutdown threshold is 150°C.
- What are some typical applications of the NCP1013ST130T3G?
Typical applications include low power AC/DC adapters for chargers and auxiliary power supplies for consumer electronics.
- Does the NCP1013ST130T3G have built-in short-circuit protection?
Yes, it features auto-recovery internal output short-circuit protection.
