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VIPER37LD The STMicroelectronics VIPER37LD is an offline switch IC designed for flyback topology. It operates within an 8.5V to 23.5V input voltage range and delivers up to 20W of power.
Mfr Part #:

VIPER37LD

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VIPER37LD is an offline switch IC designed for flyback topology. It operates within an 8.5V to 23.5V input voltage range and delivers up to 20W of power.
✓ Total Stock: 2,000 pcs
$ Price Range: $0.75

VIPER37LD Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

VIPER37LD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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VIPER37LD Description

Short technical summary and product information.

The STMicroelectronics VIPER37LD is an integrated circuit designed for AC/DC conversion, specifically functioning as an offline switch for flyback power supplies. It features an input voltage range of 8.5V to 23.5V and supports a maximum output power of 20W.

 

This device operates at a frequency of 60kHz with an 80% duty cycle. It includes internal switching capabilities and offers fault protection features such as current limiting, over-temperature protection, and over-voltage protection. The VIPER37LD is designed for isolated output configurations.

 

Packaged in a 16-SOIC (0.154", 3.90mm Width) surface-mount case, this component is suitable for various power management applications. Its operating temperature range is from -40°C to 150°C (TJ).

VIPER37LD Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: VIPER37LD AC DC Converter, Offline Switch
Subcategory: Offline Switches

VIPER37LD Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

VIPER37LD Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

VIPER37LD Features

  • Offline switch IC for flyback topology.
  • Input voltage range 8.5V to 23.5V.
  • Maximum power output of 20W.
  • Operates at 60kHz frequency.
  • Surface mount 16-SOIC package.

VIPER37LD Applications

  • Enables isolated flyback AC-DC conversion.
  • Supports 20 W offline power supplies.
  • Suitable for 60 kHz flyback converters.
  • Used in switch-mode power supply units.
  • For fault-protected offline power converters.

VIPER37LD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the VIPER37LD?

8.5V to 23.5V.

What is the operating temperature range?

-40°C to 150°C (junction).

What is the switching frequency?

60 kHz.

What is the output power?

20 W.

What package does the VIPER37LD come in?

16-SOIC (0.154", 3.90mm Width).

What topology does this device use?

Flyback.

Does the VIPER37LD have internal switches?

Yes.

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