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VIPER17LN Datasheet

  • VIPER17LN

  • Off-line high voltage converters

  • 31頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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VIPER17
Off-line high voltage converters
Features
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800 V avalanche rugged power section
PWM operation with frequency jittering for low
EMI
Operating frequency:
鈥?60 kHz for L type
鈥?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
DIP-7
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 is embedded into the
high voltage start-up.
Figure 1.
Typical topology
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Application
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Adapters for PDA, camcorders, shavers,
cellular phones, videogames
Auxiliary power supply for LCD/PDP TV,
monitors, Audio systems, computer, industrial
SMPS for set-top boxes, DVD players and
recorders, white goods.
Table 1.
Device summary
Order codes
VIPER17LN
DIP-7
VIPER17HN
Tube
Package
Packaging
February 2008
Rev 2
1/31
www.st.com
31

VIPER17LN 產(chǎn)品屬性

  • VIPER17 View All Specifications

  • VIPerPlus

  • Smart Metering

  • VIPer1X and VIPer2x Converters

  • 50

  • 集成電路 (IC)

  • PMIC - AC-DC 轉換器，離線開關

  • -

  • 隔離

  • 54kHz ~ 66kHz

  • 8.5 V ~ 23.5 V

  • 800V

  • 12W

  • -40°C ~ 150°C

  • 8-DIP（0.300"，7.62mm），7 引線

  • 8-DIP

  • 管件

  • 497-9052-ND - BOARD EVAL FOR VIPER17LN497-9050-ND - BOARD DEMO BASED ON VIPER17HN497-9007-ND - BOARD EVAL BASED ON VIPER17497-8513-ND - BOARD EVAL VIPER17HN 6W SMPS497-8250-ND - BOARD EVAL FOR VIPER17497-6447-ND - BOARD EVAL FOR VIPER17L497-6446-ND - BOARD EVAL FOR VIPER17H

  • 497-6951-5VIPER17LN-ND

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