Overview
The ADP1074ARWZ from Analog Devices Inc. is a current mode, fixed frequency, active clamp, synchronous forward controller specifically designed for isolated DC to DC power supplies. This controller integrates Analog Devices' proprietary iCouplers, which eliminate the need for bulky signal transformers and optocouplers, thereby reducing system design complexity, cost, and component count while enhancing overall system reliability. The ADP1074 offers a compact system-level design with integrated isolators and MOSFET drivers on both the primary and secondary sides, resulting in higher efficiency compared to non-synchronous forward converters, especially at heavy loads.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Topology | Forward |
| Number of Outputs | 1 Output |
| Switching Frequency | 50 kHz to 600 kHz |
| Duty Cycle - Max | 55% |
| Input Voltage | 4.5 V to 36 V, 4.7 V to 60 V |
| Output Voltage | 8 V |
| Output Current | 1 A |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Isolation | Isolated |
| Package/Case | SOIC-24 |
| Rise Time | 18 ns |
| Fall Time | 16 ns |
| Operating Supply Current | 19.5 mA |
Key Features
- Current mode controller for active clamp forward topology
- Integrated 5 kV (wide body SOIC package) or 3.0 kV (LGA package) rated dielectric isolation voltage with Analog Devices' iCouplers
- Faster switching frequency
- High-efficiency design with synchronous rectification mode
- Error amplifier with accurate output voltage regulation
- Slope compensation for smooth operation
- Soft start and dead time control
- Input current protection, undervoltage lockout (UVLO), precision enable with adjustable hysteresis, overtemperature protection (OTP), and power saving light load mode (LLM)
Applications
- Isolated DC to DC power conversion
- Intermediate bus voltage generation
- Telecom and industrial applications
- Base station and antenna RF power
- Small cell and PoE powered devices
- Enterprise switches/routers
- Core/edge/metro/optical routing
- Power modules
- Wireless networking and transmission
- Industrial automation control systems
- Radar and electronic warfare applications
- Data centers and server rooms power solutions
- Campus-wide power infrastructure management
- Solar panel power generation systems
Q & A
- Q: What is the primary function of the ADP1074ARWZ?
A: The ADP1074ARWZ is a current mode, fixed frequency, active clamp, synchronous forward controller designed for isolated DC to DC power supplies. - Q: What are the key benefits of using Analog Devices' iCouplers in the ADP1074ARWZ?
A: The iCouplers eliminate the need for bulky signal transformers and optocouplers, reducing system design complexity, cost, and component count while enhancing overall system reliability. - Q: What is the switching frequency range of the ADP1074ARWZ?
A: The switching frequency range is from 50 kHz to 600 kHz. - Q: What are the input and output voltage specifications of the ADP1074ARWZ?
A: The input voltage range is 4.5 V to 36 V, 4.7 V to 60 V, and the output voltage is 8 V. - Q: What is the maximum output current of the ADP1074ARWZ?
A: The maximum output current is 1 A. - Q: What are the operating temperature ranges for the ADP1074ARWZ?
A: The minimum operating temperature is -40°C, and the maximum operating temperature is +125°C. - Q: What kind of protection features does the ADP1074ARWZ offer?
A: It offers input current protection, undervoltage lockout (UVLO), precision enable with adjustable hysteresis, overtemperature protection (OTP), and power saving light load mode (LLM). - Q: What are some common applications of the ADP1074ARWZ?
A: Common applications include isolated DC to DC power conversion, telecom and industrial applications, base station and antenna RF power, small cell and PoE powered devices, and more. - Q: What is the package type of the ADP1074ARWZ?
A: The package type is SOIC-24. - Q: Where can I find detailed information about the ADP1074ARWZ, such as application notes and factory information?
A: Detailed information can be found on the Analog Devices website, or through authorized distributors like Ovaga Technologies.
