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STMicroelectronics VIPER12AS-E PWM Controller SOIC 8-Pin Surface Mount, 66 kHz, 5V, Current Mode

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STMicroelectronics VIPER12AS-E PWM Controller SOIC 8-Pin Surface Mount, 66 kHz, 5V, Current Mode

Name: STMicroelectronics VIPER12AS-E PWM Controller SOIC 8-Pin Surface Mount, 66 kHz, 5V, Current Mode
Brand: STMicroelectronics
SKU: 85862
Price: 1.31 USD
Availability: InStock

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Category Power Management ICs Brand STMicroelectronics Condition New

Specifications

Country of Origin	India
Brand	STMicroelectronics
Height	1.25mm
Length	5mm
Model	VIPER12AS-E
Width	4mm
Mount Type	Surface
Maximum Duty Cycle	16%
Series	VIPer12A
Output Current	480mA
Maximum Operating Temperature	150°C
Package Type	SOIC
Minimum Operating Temperature	-40°C
Maximum Switching Frequency	66kHz
Standards/Approvals	ECOPACK, JEDEC JESD97
Pin Count	8
Maximum Supply Voltage	5V
Minimum Supply Voltage	9V
Supply Current	5mA
Start-up Supply Current	1mA
PWM Controller Type	Current Mode

Key Features

Supports fixed frequency PWM operation at 66 kHz.
8-pin SOIC surface mount package enables easy PCB integration.
Start-up supply current is 1 mA for efficient power-on.
Operates with supply voltage ranging from 5 V to 9 V.
Delivers a maximum output current of 480 mA.
Current mode controller suitable for AC/DC converter designs.
Maximum duty cycle is 16%, optimizing performance and safety.
Operating temperature range from -40°C to +150°C for industrial reliability.

Product Description

STMicroelectronics VIPER12AS-E is a high-integrated PWM controller in an 8-pin SOIC surface mount package, designed for off-line AC/DC converters and power supplies. It features fixed frequency PWM operation at 66 kHz for stable and predictable switching, making it ideal for power supply applications requiring precision and reliability.

This controller operates with a start-up supply current of 1 mA and a normal supply current of 5 mA, enabling efficient power management. The device is designed for surface mount installation, supporting robust PCB layouts and automated manufacturing processes.

The VIPER12AS-E offers a maximum output current of 480 mA, suitable for driving various loads in power supply designs. Its supply voltage ranges from 5 V to 9 V, providing flexibility for integration in different voltage environments. With a maximum duty cycle of 16%, it ensures optimized circuit protection and efficient performance.

The PWM controller operates in current mode, which is advantageous for precise regulation, improved stability, and fast transient response. It supports primary and secondary regulation loops in off-line power supplies, including AC/DC converter applications. Typical use cases include embedded systems, industrial equipment, consumer electronics, and laboratory power supplies.

The device is compliant with ECOPACK and JEDEC JESD97 standards, ensuring reliability and adherence to industry norms. It can operate across a wide industrial temperature range, from -40°C up to +150°C, allowing deployment in harsh environments.

Dimensions are compact, with a length of 5 mm, width of 4 mm, and height of 1.25 mm, making the VIPER12AS-E an excellent choice for space-constrained designs. The series is VIPer12A and does not include automotive standard compliance, focusing on general power management applications.

Applications range from industrial power supplies, control panels, and instrumentation to manufacturing, laboratory, and embedded systems requiring high-integrity power regulation. For more advanced product discovery and selection, browse the full STMicroelectronics category range on EnvMart.

Explore more products in our Power Management ICs category.

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Frequently Asked Questions

The maximum output current of this model is 480 mA, making it suitable for driving various loads in power supply designs.

It operates with a supply voltage ranging from 5 V to 9 V, providing flexibility for integration in different voltage environments.

The maximum switching frequency of this unit is 66 kHz, which supports stable and predictable switching in power supply applications.

The dimensions of this model are 5 mm in length, 4 mm in width, and 1.25 mm in height, making it compact for space-constrained designs.

It operates across a wide industrial temperature range from -40°C to +150°C, allowing deployment in harsh environments.

This model comes in an 8-pin SOIC surface mount package, enabling easy PCB integration and supporting robust layouts.

The start-up supply current for this PWM controller is 1 mA, which contributes to efficient power management during power-on.

The maximum duty cycle for this model is 16%, optimizing performance and safety in power supply applications.

It is a current mode PWM controller, which is advantageous for precise regulation and improved stability in power supply designs.

This model is compliant with ECOPACK and JEDEC JESD97 standards, ensuring reliability and adherence to industry norms.

It is suitable for applications in industrial power supplies, control panels, instrumentation, and embedded systems requiring high-integrity power regulation.

The normal supply current for this PWM controller is 5 mA, which is relevant for its operational efficiency.