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TEA1620P
Switching Regulator/Controller, Voltage-mode, 200kHz Switching Freq-Max, BICMOS, PDIP8,
TEA1620P
Switching Regulator/Controller, Voltage-mode, 200kHz Switching Freq-Max, BICMOS, PDIP8,
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TEA1620P DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
General description The TEA1620P is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectified universal mains. It is implemented in the high voltage EZ-HV™ SOI process, combined with a low voltage BICMOS process. The device includes a high voltage power switch and a circuit for start-up directly from the rectified mains voltage. A dedicated circuit for valley switching is built in, which makes a very efficient slim-line electronic power-plug concept possible.Features ■ Designed for general purpose supplies ■ Integrated power switch: 48 Ω and 650 V ■ Operates from universal AC mains supplies: 80 V to 276 V ■ Adjustable frequency for flexible design ■ RC oscillator for load insensitive regulation loop constant ■ Valley switching for minimum switch-on loss ■ Frequency reduction at low power output for low standby power: <100 mW ■ Adjustable overcurrent protection ■ Undervoltage protection ■ Temperature protection ■ Short winding protection ■ Safe restart mode for system fault conditions ■ Simple application with both primary and secondary (opto) feedback ■ Available in 8-pin DIP package.Applications ■ Chargers ■ Adapters ■ TV and monitor standby supplies ■ PC peripherals.
Key Features
- Designed for general purpose supplies
- Integrated power switch: 48 Ω and 650 V
- Operates from universal AC mains supplies: 80 V to 276 V
- Adjustable frequency for flexible design
- RC oscillator for load insensitive regulation loop constant
- Valley switching for minimum switch-on loss
- Frequency reduction at low power output for low standby power: <100 mW
- Adjustable overcurrent protection
- Undervoltage protection
- Temperature protection
- Short winding protection
- Safe restart mode for system fault conditions
- Simple application with both primary and secondary (opto) feedback
- Available in 8-pin DIP package.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Transferred |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.39.00.01 | Control Mode | VOLTAGE-MODE |
| JESD-30 Code | R-PDIP-T8 | JESD-609 Code | e4 |
| Number of Terminals | 8 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -20 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | DIP | Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR | Package Style | IN-LINE |
| Qualification Status ! | Not Qualified | Surface Mount ! | NO |
| Switching Frequency-Max | 200 kHz | Technology | BICMOS |
| Temperature Grade ! | OTHER | Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | DUAL |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TEA1620P?
The TEA1620P is a green-mode pulse width modulation (PWM) controller IC designed by NXP Semiconductors. It is commonly used in power supply circuits for energy-efficient applications, such as low standby power adapters, chargers, and auxiliary power supplies.
How Does TEA1620P Work?
The TEA1620P operates as a PWM controller that regulates the power output by controlling the switching of power transistors. It incorporates green-mode technology to improve efficiency during light load conditions by reducing power consumption. The IC features built-in protection functions such as overvoltage protection, overcurrent protection, and overtemperature protection.
How Many Pins does TEA1620P have and What are the Functions of the Pinout Configuration?
The TEA1620P is housed in an 8-pin DIP (Dual Inline Package) or SO (Small Outline) package. The pinout configuration includes:
- VCC: Supply voltage pin.
- GND: Ground pin.
- FB: Feedback pin for regulation control.
- RT: External resistor connection for setting the switching frequency.
- CS: Current sense input for overcurrent protection.
- DRAIN: Power MOSFET drain connection.
- COMP: Compensation pin for loop stability.
- NC: No Connection pin.
What are the Pros and Cons of TEA1620P?
Pros:
- Green-Mode Operation: Enhances energy efficiency and reduces standby power consumption.
- Integrated Protections: Offers built-in protection features for reliable operation and system safety.
- Compact Package: Available in space-saving DIP or SO packages for easy integration.
- Regulation Control: Provides feedback and compensation pins for stable power supply regulation.
- Cost-Effective Solution: Offers a cost-effective solution for low-power applications.
Cons:
- Limited Features: May not have advanced control functions compared to higher-end PWM controllers.
- External Component Requirement: Requires external components for full functionality in power supply designs.
- Application Specific: Best suited for low-power applications and may not be suitable for high-power systems.
Are There Any Equivalents/Alternatives to TEA1620P for Recommendation?
- An equivalent part to the TEA1620P is the KA3842A from Fairchild Semiconductor.
- Alternatives to the TEA1620P include the TNY264P from Power Integrations and the UC3842 from Texas Instruments.
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