Product Summary

The VIPER22A is a low power off line smps primary switcher. It combines a dedicated current mode PWM controller with a high voltage Power MOSFET on the same silicon chip. Typical applications of the VIPER22A supplies for battery charger adapters, standby power supplies for TV or monitors, auxiliary supplies for motor control, etc.

Parametrics

VIPER22A absolute maximum ratings: (1)Switching Drain Source Voltage (Tj=25 to 125℃): -0.3 to 730 V; (2)VDS(st) Start Up Drain Source Voltage (Tj=25 to 125℃): -0.3 to 400 V; (3)Continuous Drain Current: Internally limited A; (4)Supply Voltage: 0 to 50 V; (5)Feedback Current: 3 mA; (6)Electrostatic Discharge: Machine Model (R=0W; C=200pF): 200 V, Charged Device Model: 1.5 kV; (7)Junction Operating Temperature: Internally limited ℃; (8)Case Operating Temperature: -40 to 150 ℃; (9)Storage Temperature: -55 to 150 ℃.

Features

VIPER22A features: (1)fixed 60 khz switching frequency; (2)9V TO 38V wide range vdd voltage; (3)current mode control; (4)auxiliary undervoltage lockout with hysteresis; (5)high voltage start up current source; (6)overtemperature, overcurrent and overvoltage protection with autorestart.

Diagrams

VIPER22A block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
VIPER22A
VIPER22A

Other


Data Sheet

Negotiable 
VIPER22ADIP
VIPER22ADIP

STMicroelectronics

Current Mode PWM Controllers 700V 0.1A SMPS

Data Sheet

Negotiable 
VIPER22AS-E
VIPER22AS-E

STMicroelectronics

Current Mode PWM Controllers Low Power OFF-Line SMPS Primary Switchr

Data Sheet

0-1: $0.74
1-10: $0.72
10-100: $0.65
100-250: $0.61
VIPER22ADIP-E
VIPER22ADIP-E

STMicroelectronics

Current Mode PWM Controllers Low Power OFF-Line SMPS

Data Sheet

0-1: $0.95
1-10: $0.88
10-100: $0.76
100-250: $0.70
VIPER22ASTR-E
VIPER22ASTR-E

STMicroelectronics

Current Mode PWM Controllers Lo Pwr Offline SMPS Primary Switcher

Data Sheet

0-1680: $0.53
1680-2500: $0.47
2500-5000: $0.46
5000-10000: $0.44
VIPER22AS
VIPER22AS


IC OFFLINE SWIT PWM SMPS 8SOIC

Data Sheet

Negotiable