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VIPER15HD Datasheet(PDF) 1 Page - STMicroelectronics |
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VIPER15HD Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 40 page August 2010 Doc ID 15455 Rev 5 1/40 40 VIPER15 Off-line high voltage converters Features ■ 800 V avalanche rugged power section ■ Quasi-resonant (QR) control for valley switching operation ■ Standby power < 50 mW at 265 Vac ■ Limiting current with adjustable set point ■ Adjustable and accurate overvoltage protection ■ On-board soft-start ■ Safe auto-restart after a fault condition ■ Hysteretic thermal shutdown Applications ■ Adapters for PDA, camcorders, shavers, cellular phones, cordless phones, videogames ■ Auxiliary power supply for LCD/PDP TV, monitors, audio systems, computer, industrial systems, LED driver, No el-cap LED driver, utility power meter ■ SMPS for set-top boxes, DVD players and recorders, white goods Description The device is an off-line converter with an 800 V rugged power section, a PWM control, double levels of overcurrent 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 helps to meet the standby energy saving regulations. The quasi- resonant feature reduces EMI filter cost. Brown- out and brown-in 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. Figure 1. Typical topology SO-16 DIP-7 SO16 narrow Table 1. Device summary Order codes Package Packaging VIPER15LN / VIPER15HN DIP-7 Tube VIPER15HD / VIPER15LD SO16 narrow Tube VIPER15HDTR / VIPER15LDTR Tape and reel www.st.com Obsolete Product(s) - Obsolete Product(s) |
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