VIPER17_0810 STMICROELECTRONICS [STMicroelectronics], VIPER17_0810 Datasheet

VIPER17_0810

Manufacturer Part Number

VIPER17_0810

Description

Off-line high voltage converters

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.VIPER17_0810.pdf (33 pages)

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Features

■

Application

■

Table 1.

October 2008

VIPER17HDTR / VIPER17LDTR

800 V avalanche rugged power section

PWM operation with frequency jittering for low

EMI

Operating frequency:

– 60 kHz for L type

– 115 kHz for H type

Standby power < 50 mW at 265 Vac

Limiting current with adjustable set point

Adjustable and accurate over voltage

protection

On-board soft-start

Safe auto-restart after a fault condition

Hysteretic thermal shutdown

Adapters for PDA, camcorders, shavers,

cellular phones, videogames

Auxiliary power supply for LCD/PDP TV,

monitors, audio systems, computer, industrial

systems

SMPS for set-top boxes, DVD players and

recorders, white goods

VIPER17LN / VIPER17HN

VIPER17HD / VIPER17LD

Order codes

Device summary

SO16 narrow

Package

DIP-7

Rev 4

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 helps to meet

the standby energy saving regulations.

Advance frequency jittering reduces EMI filter

cost. 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.

Figure 1.

Off-line high voltage converters

DC input high voltage

wide range

DRAIN DRAIN

GND

SO16 narrow

VIPER17

VDD

SO-16

CONT

Typical topology

Tape and reel

Packaging

Tube

VIPER17

DIP-7

DC Output voltage

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