VIPER22ADIP-E – STMicroelectronics VIPerPlus Energy-Efficient Offline SMPS Primary Switcher IC

Quick Answer The VIPER22ADIP-E is a popular low-power offline SMPS primary switcher IC from STMicroelectronics' VIPerPlus family. It integrates a 730V avalanche-rugged power MOSFET with a current-mode PWM controller in a standard DIP-8 package. Capable of delivering up to 8W (universal input) / 12W (230 VAC) in open frame, it features fixed frequency operation (60 kHz), built-in startup and protection circuits, making it ideal for cost-effective battery chargers, adapters, and auxiliary power supplies.

Current Stock at ICMASS: Strong inventory available for immediate worldwide delivery.

Key Specifications

[Download Official VIPer22A Datasheet PDF]

Why Choose VIPER22ADIP-E?

• Integrated 730V rugged power MOSFET
• Current mode control with fixed 60 kHz frequency
• Built-in startup current source and burst mode for low standby power
• Automatic burst mode for low no-load consumption
• Over-temperature, over-voltage, and current limiting protection
• Simple design with very few external components
• Pb-free, RoHS compliant
• Cost-effective solution for low-power isolated supplies

Typical Applications

• Battery chargers and adapters
• LED drivers and lighting power supplies
• Industrial auxiliary power
• Smart home and IoT devices
• White goods standby power
• Metering equipment
• Consumer electronics power modules
• Wall warts and low-power AC-DC supplies

VIPER22ADIP-E Alternatives & Cross Reference Popular Alternatives:

• VIPER12ADIP-E (lower power)
• VIPER22AS / VIPER22ASTR (SMD version)
• VIPerPlus newer series (VIPer26, VIPer28)
• TNY series (TinySwitch) or LinkSwitch from Power Integrations

Comparison Table:

Purchasing Information at ICMASS

• Stock Status: Strong inventory available
• MOQ: 100 pieces (samples welcome)
• Lead Time: 1-3 days for stock orders
• Shipping: Fast global delivery (DHL, UPS, FedEx)
• Quality Guarantee: 100% genuine STMicroelectronics components

Get Competitive Quote – Contact us for bulk pricing and technical support.

Frequently Asked Questions (FAQ)

Q1: What is the VIPER22ADIP-E mainly used for? A: It is a primary side switcher IC for low-power offline isolated AC-DC power supplies and chargers.

Q2: What is the maximum output power? A: Up to 12W at 230 VAC and 8W with universal input in open frame.

Q3: What package does the VIPER22ADIP-E use? A: DIP-8 through-hole package.

Q4: What is the integrated MOSFET voltage rating? A: 730 V avalanche rugged.

Q5: Is it suitable for universal input? A: Yes, supports 85-265 VAC universal input.

Q6: Does it support burst mode? A: Yes, automatic burst mode for very low standby power consumption.

Q7: What protection features does it include? A: Current limiting, thermal shutdown, over-voltage protection, and auto-restart.

Q8: Do you have real stock of VIPER22ADIP-E? A: Yes, we maintain good inventory levels for fast delivery.

Q9: What is the switching frequency? A: Fixed 60 kHz.

Q10: Can you provide reference designs or layout recommendations? A: Yes, we supply official STMicroelectronics datasheet, reference design, and application support.

Q11: Do you offer volume pricing? A: Yes. Competitive tiered pricing is available for quantities from 1K to 100K+.

Q12: How does VIPER22ADIP-E compare to VIPER26? A: VIPER22A is optimized for lower power (8-12W) in simple DIP-8 package, while VIPer26 offers higher power and more features.

Related Products

• ST VIPerPlus Family (VIPer12A, VIPer22A, VIPer26, VIPer28)
• Other ST Offline Converters
• Power Integrations TinySwitch / LinkSwitch Series
• Higher Power VIPer ICs