VIPER27LN - ST Microelectronics

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

Part No

VIPER27LN
Manufacturer

ST Microelectronics
ChipWorker Part#

CW3012196
Category

AC to DC Converter, AC/DC Power Module
Package

DIP-8
Description

AC-DC Off-Line Switcher IC, VIPerPlus Family, Flyback, 85VAC - 265VAC, 20W, DIP-7
Documentation

Datasheet

VIPER27LN Global Supplier

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VIPER27LN Specifications

Attribute	Attribute Value

Part Number	VIPER27LN
Manufacturer	ST Microelectronics
ChipWorker Part#	CW3012196
Category	AC to DC Converter, AC/DC Power Module
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	7 Pin
Case/Package	DIP-8
Supply Voltage (DC)	8.50V (min)
Power Rating	20 W
Number of Outputs	1 Output
Output Voltage	800 V
Breakdown Voltage	800 V
Number of Positions	7 Position
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
Maximum Duty Cycle	80 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	23.5 V
Supply Voltage (Min)	8.5 V
Input Voltage	8.5V ~ 23.5V
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Size-Length	10.16 mm
Size-Width	7.11 mm
Size-Height	4.95 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
ECCN Code	EAR99

Product Description

The VIPER27LN is an offline High Voltage Converter with an 800V rugged power section, a PWM control, two levels of over-current protection, overvoltage 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. Advance frequency jittering reduces EMI filter. Brown-out function protects the switch mode power supply when the rectified input voltage level is below the normal minimum level specified for the system. The high voltage start-up circuit is embedded in the device.
PWM operation with frequency jittering for low EMI
Limiting current with adjustable set point
Adjustable and accurate overvoltage protection
Safe auto-restart after a fault condition
Hysteretic thermal shutdown
60kHz Operating frequency

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