Overview
The TEA1755LT/1,518 is a high-voltage start-up DCM/QR flyback controller with an integrated DCM/QR PFC controller, designed and manufactured by NXP USA Inc. This controller is part of the TEA175x family and is known for its high level of integration, which enables the design of cost-effective power supplies with a minimal number of external components. It is particularly suited for applications requiring efficient and reliable power supply solutions up to 250 W.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SO16 (plastic small outline package; 16 leads; body width 3.9 mm) |
| Supply Voltage Range | 70 V (AC) to 276 V (AC) |
| Output Power | Up to 250 W |
| PFC Type | Dual-boost PFC with accurate maximum output voltage |
| Protection Features | Overcurrent protection, mains undervoltage lockout, overvoltage protection |
| Power-down Mode | Very low standby power, safe restart protection |
| Environmental Compliance | PbFree, EU RoHS, Halogen Free, REACH SVHC compliant |
Key Features
- Integrated PFC and flyback controller for efficient power supply solutions
- Universal mains supply operation between 70 V (AC) to 276 V (AC)
- Dual-boost PFC with accurate maximum output voltage (NXP Semiconductors patented)
- High level of integration, resulting in cost-effective designs with very low external component counts
- Adjustable PFC switch off delay and external PFC switch on and switch off override
- On-chip start-up current source and reduced IC supply current during burst mode enabling ErP lot 6 compliance
- Power-down functionality for very low standby power applications
Applications
The TEA1755LT is suitable for a variety of applications that require efficient and cost-effective power supply solutions. Notable applications include notebook adapters, where the high level of integration and universal mains supply operation are particularly beneficial. It can also be used in other applications up to 250 W, such as consumer electronics, industrial power supplies, and more
Q & A
- What is the TEA1755LT/1,518? The TEA1755LT/1,518 is a high-voltage start-up DCM/QR flyback controller with an integrated DCM/QR PFC controller from NXP USA Inc.
- What is the package type of the TEA1755LT/1,518? The package type is SO16 (plastic small outline package; 16 leads; body width 3.9 mm)
- What is the operating voltage range of the TEA1755LT/1,518? It operates between 70 V (AC) to 276 V (AC)
- What is the maximum output power of the TEA1755LT/1,518? The maximum output power is up to 250 W
- What protection features does the TEA1755LT/1,518 have? It includes overcurrent protection, mains undervoltage lockout, and overvoltage protection
- Is the TEA1755LT/1,518 environmentally compliant? Yes, it is PbFree, EU RoHS, Halogen Free, and REACH SVHC compliant
- What are the key benefits of the TEA1755LT/1,518? It offers high integration, cost-effective design, universal mains supply operation, and low standby power
- Can the TEA1755LT/1,518 be used in notebook adapters? Yes, it is particularly beneficial for notebook adapters due to its high level of integration and universal mains supply operation
- How does the TEA1755LT/1,518 handle power-down mode? It has a power-down mode that reduces standby power, with safe restart protection and disabled internal circuitry except for a voltage detection circuit
- What is the significance of the dual-boost PFC in the TEA1755LT/1,518? The dual-boost PFC ensures accurate maximum output voltage and is a patented feature by NXP Semiconductors
