Overview
The NCP13992ATDR2G, produced by onsemi, is a high-performance current mode controller designed for half-bridge resonant converters. This controller integrates 600 V gate drivers, simplifying the layout and reducing the external component count. It features a built-in Brown-Out input function, which eases implementation in various applications. The NCP13992ATDR2G also includes a dedicated output to drive the PFC (Power Factor Correction) controller, enhancing light load efficiency and overall system performance.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| VCC_ON | V | 11.5 | 12.3 | 13.1 |
| VCC_OFF | V | 9.0 | 9.5 | 10.0 |
| VCC_RESET | V | 5.8 | 6.6 | 7.2 |
| ICC_SKIP-MODE | μA | 500 | 550 | 600 |
| Operating Frequency | kHz | 20 | - | 750 |
| Brown-Out Turn-Off Threshold (VBO) | V | 0.965 | 1.000 | 1.035 |
| Over-Temperature Protection (OTP) | °C | - | - | 125 |
Key Features
- High-Frequency Operation from 20 kHz up to 750 kHz
- Current Mode Control Scheme
- Automatic Dead-Time with Maximum Dead-Time Clamp
- Dedicated Startup Sequence for Fast Resonant Tank Stabilization
- Light Load Operation Mode for Improved Efficiency
- Quiet Skip Operation Mode to Minimize Transformer Acoustic Noise
- Latched or Auto-Recovery Overload Protection
- Latched or Auto-Recovery Output Short Circuit Protection
- Latched Input for Severe Fault Conditions (e.g., OVP or OTP)
- Out of Resonance Switching Protection
- Open Feedback Loop Protection
- Precise Brown-Out Protection
- PFC Stage Operation Control According to Load Conditions
- Startup Current Source with Extremely Low Leakage Current
- Dynamic Self-Supply (DSS) Operation in Off-Mode or Fault Modes
- Pin to Adjacent Pin / Open Pin Fail Safe
- Pb-Free Devices
Applications
- Adapters and Offline Battery Chargers
- Flat Panel Display Power Converters
- Computing Power Supplies
- Industrial and Medical Power Sources
Q & A
- What is the operating frequency range of the NCP13992ATDR2G?
The NCP13992ATDR2G operates from 20 kHz up to 750 kHz.
- What type of control scheme does the NCP13992ATDR2G use?
The NCP13992ATDR2G uses a current mode control scheme.
- What is the purpose of the Brown-Out protection feature?
The Brown-Out protection feature monitors the bulk voltage and turns off the controller if it falls below a certain threshold, ensuring safe operation.
- How does the Quiet Skip mode improve efficiency?
The Quiet Skip mode minimizes transformer acoustic noise and improves light load efficiency by adjusting the skip threshold.
- What types of protection does the NCP13992ATDR2G offer?
The NCP13992ATDR2G offers overload protection, over-current protection, over-voltage protection (OVP), over-temperature protection (OTP), open optocoupler detection, and more.
- What is the maximum operating temperature for the NCP13992ATDR2G?
The maximum operating temperature is 125°C.
- How does the Dynamic Self-Supply (DSS) operation work?
The DSS operation allows the controller to self-supply in off-mode or fault modes, ensuring continuous operation under various conditions.
- What is the purpose of the PFC mode output?
The PFC mode output provides supply voltage for the PFC front stage controller and/or enables the Vbulk sensing network HV switch.
- Is the NCP13992ATDR2G Pb-free?
- What are some typical applications for the NCP13992ATDR2G?
