STR2A153

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Device used to regulate switching processes

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Service & Packaging

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STR2A153 DataSheet

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STR2A153 Description

The STR2A153 is a highly integrated power management IC commonly used in switch-mode power supplies, designed for reliable and efficient power conversion in various applications.

Features

  • Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
  • High-resolution ADC: Provides accurate and reliable analog-to-digital conversion.
  • Robust Communication: Designed for reliable communication in various applications.

Applications

The STR2A153 is suitable for use in a wide range of applications, including power supplies, motor control systems, and industrial automation systems.

Where to Use:

This IC can be used in various industries, such as automotive, industrial, and consumer electronics.

Manufacturer

The STR2A153 is manufactured by STMicroelectronics, a leading semiconductor company known for its innovative products and solutions.

Packages

The STR2A153 comes in an 16-pin SOIC-16 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the IC into electronic circuits.

Equivalent Parts of STR2A153

  • LM324: A comparable operational amplifier from Texas Instruments with similar features and performance.
  • OP07: An alternative operational amplifier from Fairchild Semiconductor that offers equivalent functionality.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code Obsolete ECCN Code EAR99
HTS Code ! 8542.39.00.01 Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE Control Technique PULSE WIDTH MODULATION
Input Voltage-Nom 18 V JESD-30 Code R-PDIP-T8
Length 9.4 mm Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 115 °C
Operating Temperature-Min -20 °C Package Body Material PLASTIC/EPOXY
Package Code DIP Package Shape RECTANGULAR
Package Style IN-LINE Seated Height-Max 4.5 mm
Surface Mount ! NO Switching Frequency-Max 74 kHz
Temperature Grade ! OTHER Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 2.54 mm Terminal Position DUAL
Width 7.62 mm

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.

Preliminary Specification STR2A153 PDF Download

FAQs

What is STR2A153?

The STR2A153 is an off-line quasi-resonant flyback switching regulator IC designed by Sanken Electric Co., Ltd. It is commonly used in power supply applications for devices like LCD monitors, LED lighting, and other consumer electronics.

How Does STR2A153 Work?

The STR2A153 operates by regulating the power supply voltage through a quasi-resonant switching technique. It controls the switching frequency based on the load requirements, improving efficiency and reducing electromagnetic interference. The IC features built-in protection circuits for overcurrent, overvoltage, and thermal shutdown to ensure safe operation.

How Many Pins does STR2A153 have and What are the Functions of the Pinout Configuration?

The STR2A153 is housed in a multi-pin PDIP (Plastic Dual In-line Package) or SOP (Small Outline Package) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • VREF: Reference voltage output pin.
  • FB: Feedback pin for regulating the output voltage.
  • CS: Current sense input pin.
  • SD: Shutdown control pin.
  • UVLO: Under Voltage Lock-Out pin for protection.
  • COMP: Compensation pin for stability control.
  • DRV: Gate driver output pin.

What are the Pros and Cons of STR2A153?

Pros:

  • Quasi-Resonant Operation: Provides high efficiency and low electromagnetic interference.
  • Built-in Protections: Includes overcurrent, overvoltage, and thermal shutdown protections for robust operation.
  • Compact Package: Available in space-efficient PDIP or SOP packages for easy integration.
  • Wide Application Range: Suitable for various power supply designs in consumer electronics.

Cons:

  • Configuration Complexity: May require careful design considerations for optimal performance.
  • External Components: Additional external components may be needed for specific applications or performance enhancements.
  • Design Constraints: Operating within specified voltage and temperature ranges is crucial for reliable operation.

Are There Any Equivalents/Alternatives to STR2A153 for Recommendation?

  • Alternatives to the STR2A153 include the ICE3BR0665JF from Infineon Technologies and the KA5Q0765RT from Fairchild Semiconductor.
  • ICs like the FAN6754MY from ON Semiconductor and the LNK306 from Power Integrations are also potential substitutes for the STR2A153.

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