VIPER16LD

Product Overview

Category: Power Management IC
Use: Voltage Regulator
Characteristics: High efficiency, low standby power consumption
Package: SO-8
Essence: Integrated Switching Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 60V
Output Voltage Range: 3.3V to 38V
Switching Frequency: Up to 300 kHz
Maximum Output Current: 0.55A
Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

GND: Ground
VCC: Supply Voltage
FB: Feedback Pin
CS: Current Sense Pin
COMP: Compensation Pin
DRAIN: Switching Node
SOURCE: Source Pin
VDD: Internal Bias Voltage

Functional Features

Integrated high voltage startup
Overvoltage protection
Overcurrent protection
Thermal shutdown
Soft-start function
Adjustable output voltage
Low standby power consumption

Advantages and Disadvantages

Advantages

High efficiency
Wide input voltage range
Compact package size
Built-in protection features
Adjustable output voltage

Disadvantages

Limited maximum output current (0.55A)
Requires external components for operation

Working Principles

VIPER16LD is an integrated switching regulator that operates based on the principle of pulse width modulation (PWM). It converts the input voltage into a regulated output voltage by rapidly switching the internal power MOSFET. The feedback mechanism adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

Power supplies for industrial equipment
LED lighting applications
Consumer electronics
Home appliances
Automotive electronics

Detailed and Complete Alternative Models

VIPER16HD: Higher maximum output current (1A)
VIPER26LD: Lower standby power consumption
VIPER12LD: Lower cost, lower maximum output current (0.35A)

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

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10個與VIPER16LD在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of VIPER16LD in technical solutions:

Q: What is VIPER16LD?
A: VIPER16LD is a high-voltage converter IC designed for offline flyback converters in low-power applications.
Q: What is the input voltage range supported by VIPER16LD?
A: The input voltage range supported by VIPER16LD is typically between 85V and 265V AC.
Q: What is the output power range that VIPER16LD can handle?
A: VIPER16LD can handle output power ranging from a few watts up to around 15W, depending on the specific application.
Q: Can VIPER16LD be used in dimmable LED lighting applications?
A: Yes, VIPER16LD can be used in dimmable LED lighting applications as it supports TRIAC dimming control.
Q: Is VIPER16LD suitable for battery charger applications?
A: Yes, VIPER16LD can be used in battery charger applications, especially for low-power devices such as smartphones or portable electronics.
Q: Does VIPER16LD have built-in protection features?
A: Yes, VIPER16LD includes various built-in protection features like overvoltage protection, overload protection, and thermal shutdown.
Q: Can VIPER16LD operate in a wide temperature range?
A: Yes, VIPER16LD has a wide operating temperature range, typically from -40°C to 150°C, making it suitable for various environments.
Q: What is the typical efficiency of VIPER16LD?
A: The typical efficiency of VIPER16LD is around 85-90%, depending on the specific operating conditions and load.
Q: Are there any reference designs available for VIPER16LD?
A: Yes, STMicroelectronics provides reference designs and application notes to help engineers implement VIPER16LD in their designs.
Q: Can VIPER16LD be used in both AC-DC and DC-DC converter applications?
A: No, VIPER16LD is specifically designed for offline flyback converters in AC-DC applications and may not be suitable for DC-DC converter applications.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of each technical solution.