VIPER28LN - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

VIPER28LN
Manufacturer

ST Microelectronics
ChipWorker Part#

CW14897353
Category

AC to DC Converter, AC/DC Power Module
RoHS

Lead free / RoHS Compliant
Description

AC to DC Switching Converter Off-Line Switcher 54kHz to 66kHz Tube 7Pin PDIP
Documentation

Datasheet

VIPER28LN Global Supplier

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VIPER28LN Specifications

Attribute	Attribute Value

Part Number	VIPER28LN
Manufacturer	ST Microelectronics
ChipWorker Part#	CW14897353
Category	AC to DC Converter, AC/DC Power Module
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	7 Pin
Case/Package	DIP-8
Power Rating	16 W
Number of Outputs	1 Output
Output Voltage	800 V
Output Current	1.2 A
Breakdown Voltage	800 V
Number of Positions	7 Position
Output Power	20 W
Switching Frequency	60 kHz
Duty Cycle	80 %
Input Voltage (Max)	23.5 V
Input Voltage (Min)	8.5 V
Input Voltage (AC Max)	265 v
Input Voltage (AC Min)	85 v
Output Voltage (Max)	800 V
Maximum Duty Cycle	80 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	8.5V ~ 23.5V
Supply Voltage (Max)	23.5 V
Supply Voltage (Min)	8.5 V
Input Voltage	8.5V ~ 23.5V
	expand all
Size-Length	10.16 mm
Size-Width	8.26 mm
Size-Height	4.95 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

Description
The device is an off-line converter with an 800 V rugged power section, a PWM control, two levels of over-current protection, over-voltage and overload protections, hysteretic thermal protection, soft-start and safe auto-restart after any fault condition removal. Burst mode operation and device very low consumption help to meet the standby energy saving regulations.
Features
■ 800 V avalanche rugged power section
■ PWM operation with adjustable limiting current
■ 30 mW stand-by power at 265 Vac
■ Operating frequency:
– 60 kHz for L type
– 115 kHz for H type
■ Frequency jittering for low EMC
■ Output overvoltage protection
■ High primary current protection (2nd OCP)
■ Extra power timer for peak current management
■ On-board soft-start
■ Safe auto-restart after a fault condition
■ Hysteretic thermal shutdown
Application
■ Auxiliary power supply for consumer and home equipment
■ ATX auxiliary power supply
■ Low / medium power AC-DC adapters
■ SMPS for set-top boxes, DVD players and recorders, white goods

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Ordering Information

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- Please check the technical specifications of the products when ordering.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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