VIPER22A Datasheet, Features, Pinout, and Applications
更新時間: 2024-08-23 13:58:27
Contents
Overview of the VIPER22A
The VIPER22A is designed for offline power conversion in applications such as battery chargers, power adapters, and auxiliary power supplies. Its integrated architecture simplifies design, reduces component count, and enhances reliability.
Specifications and Features
VIPER22A Specifications
Input Voltage Range: 85-265V AC
Output Power: Up to 14W for wide-range input (universal mains)
Switching Frequency: 60kHz fixed
MOSFET Drain-Source Voltage: Up to 730V
Package: DIP-8, SO-8
VIPER22A Features
Integrated Power MOSFET: Reduces external component count.
Current-Mode Control: Enhances performance and stability.
Overtemperature Protection: Ensures safe operation under thermal stress.
Undervoltage Lockout: Prevents operation below a safe voltage threshold.
High Efficiency: Optimized for low power consumption in standby mode.
VIPER22A Pinout
Pin Configuration and Numbering
The VIPER22A is available in DIP-8 and SO-8 packages. The pinout is critical for ensuring correct connections and optimal performance in the power supply design.
Pin Configuration
Pin Name Description Function Drain Drain of the internal MOSFET High-voltage switching node VDD Power Supply Powers the control circuitry Source Source of the internal MOSFET Ground reference for the MOSFET FB Feedback Regulates the output voltage
Functions of Each Pin
Drain: The Drain pin is the high-voltage switching node, directly connected to the internal MOSFET. It handles the main power transfer during switching operations.
VDD: The VDD pin supplies power to the internal control circuitry of the VIPER22A. It typically receives power from an auxiliary winding or a low-voltage regulator.
Source: The Source pin serves as the ground reference for the MOSFET and is typically connected to the circuit ground.
FB: The Feedback (FB) pin is used to regulate the output voltage by adjusting the duty cycle of the internal MOSFET, ensuring a stable and accurate output.
VIPER22A Equivalents
The VIPER22A can be compared to other integrated power supply ICs like the LNK364PN and TNY280PN. These components also integrate high-voltage MOSFETs with control circuitry, offering similar functionalities but may differ in terms of power output and package options.
VIPER22A Applications
AC-DC Power Supplies
The VIPER22A is ideal for AC-DC power supply designs, particularly in applications where efficiency and compactness are critical. It is commonly used in battery chargers, power adapters, and auxiliary power supplies.
LED Drivers
In LED driver applications, the VIPER22A offers precise current regulation and high efficiency, making it suitable for a wide range of lighting products.
Industrial Power Conversion
The VIPER22A is also used in industrial power conversion systems, where its robustness and reliability ensure consistent performance under harsh operating conditions.
Consumer Electronics
The VIPER22A is widely used in consumer electronics, providing efficient power conversion in devices such as televisions, set-top boxes, and audio equipment.
VIPER22A Advantages and Disadvantages
Advantages:
Integrated Design: Reduces component count and simplifies power supply design.
High Efficiency: Low standby power consumption and high operating efficiency.
Wide Input Voltage Range: Operates across universal mains voltages.
Robust Protection Features: Includes overtemperature protection and undervoltage lockout.
Disadvantages:
Fixed Switching Frequency: May not be suitable for applications requiring variable frequency control.
Package Limitations: Available only in DIP-8 and SO-8, which may limit miniaturization in some designs.
VIPER22A Package
The VIPER22A is available in both DIP-8 and SO-8 packages, offering options for through-hole and surface-mount applications. The package choice depends on the specific requirements of the design, such as thermal performance and PCB space constraints.
VIPER22A Manufacturer
The VIPER22A is manufactured by STMicroelectronics, a leading global supplier of semiconductors. The company is known for its high-quality components used in a wide range of electronic devices.
VIPER22A Datasheet
The VIPER22A datasheet provides detailed information on the electrical characteristics, pin configuration, and recommended operating conditions. Designers should refer to the datasheet for comprehensive guidelines on integrating the IC into their designs.
Conclusion
The VIPER22A is a versatile and efficient solution for a wide range of power supply designs. With its integrated MOSFET, current-mode control, and robust protection features, it simplifies design while ensuring reliable performance across various applications.
Read More
前: 13001 Transistor Pinout, Datasheet, Equivalent, Circuit Diagram, and Uses
FAQ
- What Are the Main Features of the VIPER22A?
The VIPER22A features an integrated power MOSFET, current-mode control, overtemperature protection, and undervoltage lockout, making it ideal for efficient and compact power supply designs.
- How Does the VIPER22A Compare to the LNK364PN?
The VIPER22A offers higher switching frequency and better efficiency in certain power levels, while the LNK364PN may be more suitable for designs with lower frequency requirements.
- What Applications Are Suitable for the VIPER22A?
The VIPER22A is ideal for AC-DC power supplies, LED drivers, industrial power conversion, and consumer electronics.
- Can the VIPER22A Be Interchanged with Other Power Supply ICs?
Yes, the VIPER22A can be interchanged with other power supply ICs with similar voltage and current ratings, providing design flexibility.
Ratings and Reviews
特殊な製品に関連する
-
5V6BZX55C
ST
DO-35 > -
TS4973IJTTA
ST
BGA > -
ST72F561J9TBS
ST
QFP44 > -
M36W0R6050T4ZRQE
ST
BGA > -
STM32F207VET6TR
ST
MCU 32Bit ARM Cortex M3 RISC 512KB Flash > -
LD1117S
ST
LOW DROP FIXED AND ADJUSTABLE POSITIVE V > -
28018883
ST
QFP64 > -
M28W160FSB70ZA6
ST
BGA > -
TSZ121IYLT
ST
Operational Amplifier, RRIO, 1 Amplifier > -
VN06SPTR-E
ST
High side smart power solid state relay, > -
TSV524IQ4T
ST
Operational Amplifier, Quad, 4 Amplifier > -
TSC103IDT
ST
TSC103 Series 5.5V 700kHz Current Sense > -
TS3021ILT
ST
Rail-to-Rail 1.8V High-Speed Micropower > -
TDA7333N
ST
RDS/RBDS processor,Special Purpose Audio > -
TDA2822D
ST
Dual Low-Voltage Power Amplifier (Dual L >
有効在庫
より多くの- STV1602A
- STP16CPS05TTR
- STM32F101RBT6
- STM32F100RBH6B
- ST3243EC
- M74HC00RM13TR
- M48T35AV-10PC1
- M41T81M6F
- LNBP15A
- LE50ABD-TR
- LD49300PT08R
- LD39015M33R
- LD2981ABM50TR
- LD1117SC-R
- L79L05ABD
- L7986ATR
- L7912CT
- L78S10CV
- L78M15CDT
- L78L12ABUTR
- L7809ABV
- L6902D
- L6730
- L6565D
- L6470HTR
- L6388ED
- L6258EX
- L5952
- L5150BNTR
- L4972AD
- L4901A
- KF33BDT
- BYT230PIV-1000
- BTA25-600B
- BTA12-600CW
- BTA06-600BRG
- BD437
- BAT54SFILMY
- BAT54FILM
- APIC-D09
- 8007829+
- 74HC4520
- 72F521R9TC
- 2SC3356R
- 2SC3052