Overview
The PTH05000WAH is a 6-A, 5-V input non-isolated wide-output adjust power module produced by Texas Instruments. This module is part of the PTH05000 series, known for its high performance, compact size, and versatility. Although the production of this device has been discontinued, it remains a significant component in various legacy systems. The module uses double-sided surface mount construction and synchronous rectification technology, making it an ideal choice for applications where space, performance, and cost are critical design constraints.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Output Current (Io) | 0 | - | 6 A (at 25°C), 5.25 A (at 60°C, 200LFM) | A |
| Input Voltage Range (Vin) | 4.5 | - | 5.5 | V |
| Output Voltage Range (Vo) | 0.9 | - | 3.6 | V |
| Set-Point Voltage Tolerance (Vo tol) | - | - | ±2 %Vo | % |
| Temperature Variation (∆Regtemp) | - | - | ±0.5 %Vo | % |
| Line Regulation (∆Regline) | - | - | ±5 mV | mV |
| Load Regulation (∆Regload) | - | - | ±5 mV | mV |
| Total Output Variation (∆Regtot) | - | - | ±3 %Vo | % |
| Efficiency (η) | - | 92% (at Vo = 3.3V, Io = 4A) | - | % |
| Operating Temperature Range (Ta) | -40 | - | +85 | °C |
| Solder Reflow Temperature (Treflow) | - | - | 235 | °C |
| Storage Temperature (Ts) | -40 | - | +125 | °C |
| Over-Temperature Protection (OTP) | - | - | 150 | °C |
Key Features
- High Output Current: Up to 6 A of output current.
- Wide-Output Voltage Adjust: Adjustable output voltage from 0.9 V to 3.6 V using a single external resistor.
- High Efficiency: Efficiencies up to 94% using synchronous rectification technology.
- Compact Size: Occupies a PCB area of about half the size of a standard postage stamp.
- On/Off Inhibit: Output voltage can be turned off using the inhibit pin.
- Output Current Limit: Continuous current limit protection against load faults.
- Over-Temperature Protection: Thermal shutdown to protect against excessively high temperatures.
- Pre-Bias Startup Capability: Ensures the output does not sink current during startup.
- Surface Mountable: Available in surface mount and through-hole configurations.
Applications
The PTH05000WAH is suitable for a variety of applications, including:
- Telecom Systems: Ideal for power conversion in telecommunications equipment.
- Industrial Systems: Used in industrial control systems and automation.
- General Purpose Circuits: Suitable for low-power dual-voltage systems using DSPs, microprocessors, or ASICs.
Q & A
- What is the maximum output current of the PTH05000WAH?
The maximum output current is up to 6 A at 25°C and 5.25 A at 60°C with 200LFM airflow.
- What is the input voltage range for the PTH05000WAH?
The input voltage range is from 4.5 V to 5.5 V.
- How is the output voltage adjusted on the PTH05000WAH?
The output voltage is adjusted using a single external resistor connected between the Vo Adjust and GND pins.
- What are the operating temperature limits for the PTH05000WAH?
The operating temperature range is from -40°C to +85°C.
- Does the PTH05000WAH have over-temperature protection?
Yes, it has thermal shutdown protection that reduces the output voltage to zero if the junction temperature exceeds 150°C.
- What is the purpose of the inhibit pin on the PTH05000WAH?
The inhibit pin allows the output voltage to be turned off, useful in applications requiring output voltage on/off control.
- Can the PTH05000WAH handle pre-bias startup conditions?
Yes, it has a pre-bias startup capability that ensures the output does not sink current during startup.
- What are the package options for the PTH05000WAH?
It is available in both surface mount and through-hole configurations.
- Is the PTH05000WAH RoHS compliant?
Yes, it is RoHS compliant according to the EU standards.
- What are the safety agency approvals for the PTH05000WAH?
Pending approvals include UL 1950, CSA 22.2 950, EN60950, and VDE.
