Overview
The PTN78060AAH is a high-efficiency, buck-boost integrated switching regulator (ISR) from Texas Instruments. It represents the third generation in the evolution of the PT78NR100 series of products. This regulator is designed for general-purpose industrial applications, offering high-efficiency positive-to-negative voltage conversion. The PTN78060AAH operates from a wide input voltage range of 9 V to 29 V and can provide output currents up to 3 A. The output voltage can be adjusted over a wide range from –15 V to –3 V using a single external resistor.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 9 | 32 - |VO| | V | |
| Operating Free-Air Temperature | –40 | 85 | °C | |
| Output Current | 0.1 | 3 | A | |
| Output Voltage Adjust Range | –15 | –3 | V | |
| Efficiency | Up to 88% | % | ||
| Output Voltage Ripple | 2% VO (PP) | V | ||
| Storage Temperature | –40 | 125 | °C | |
| Weight | 3.9 grams | grams | ||
| Flammability | Meets UL 94 V-O |
Key Features
- High Efficiency: Up to 88% efficiency, ensuring minimal power loss.
- Wide Input Voltage Range: Operates from 9 V to 29 V, making it versatile for various applications.
- Adjustable Output Voltage: The output voltage can be set to any value over a wide adjustment range from –15 V to –3 V using a single external resistor.
- Undervoltage Lockout: Prevents the module from powering up until a valid input voltage is applied.
- Output Current Limit: Protects the module from excessive current draw.
- Overtemperature Shutdown: Automatically shuts down the module if it exceeds the maximum operating temperature.
- Surface-Mount Package: Available in surface-mount packages for easy integration into PCB designs.
- Soft-Start Circuitry: Limits in-rush current during power-up, reducing the risk of damage.
Applications
- General-Purpose Industrial Controls: Suitable for various industrial control systems.
- HVAC Systems: Can be used in heating, ventilation, and air conditioning systems.
- Test and Measurement Equipment: Ideal for test and measurement applications requiring stable and adjustable power supplies.
- Medical Instrumentation: Used in medical devices that require reliable and efficient power conversion.
- AC/DC Adaptors and Vehicles: Applicable in automotive and marine electronics where adjustable power supplies are necessary.
- Avionics: Suitable for use in avionics systems due to its high reliability and efficiency.
Q & A
- What is the input voltage range of the PTN78060AAH?
The input voltage range is from 9 V to 29 V.
- What is the maximum output current of the PTN78060AAH?
The maximum output current is up to 3 A.
- How is the output voltage adjusted on the PTN78060AAH?
The output voltage can be adjusted using a single external resistor connected between the VO Adjust control (pin 4) and the output voltage (pin 7).
- What is the operating temperature range of the PTN78060AAH?
The operating temperature range is from –40°C to 85°C.
- Does the PTN78060AAH have built-in protection features?
Yes, it includes undervoltage lockout, output current limit, and overtemperature shutdown.
- What type of package is available for the PTN78060AAH?
It is available in surface-mount packages.
- How efficient is the PTN78060AAH?
The PTN78060AAH has an efficiency of up to 88%.
- What is the weight of the PTN78060AAH module?
The weight is approximately 3.9 grams.
- Is the PTN78060AAH compliant with RoHS and lead-free standards?
Yes, it is compatible with TI's roadmap for RoHS and lead-free compliance.
- What are the recommended capacitor configurations for the PTN78060AAH?
The minimum requirement includes 100 µF of nonceramic capacitance and 14.1 µF of ceramic capacitance.
