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VIPER17HDTR Datasheet

  • VIPER17HDTR

  • Off-line high voltage converters

  • 1365.78KB

  • 33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
SO16 narrow
SO-16
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 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.
+
DC input high voltage
wide range
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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
systems
SMPS for set-top boxes, DVD players and
recorders, white goods
Typical topology
+
DC Output voltage
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-
-
DRAIN
DRAIN
BR
VIPER17
GND
VDD
CONT
FB
Table 1.
Device summary
Order codes
Package
DIP-7
SO16 narrow
Packaging
Tube
Tube
Tape and reel
VIPER17LN / VIPER17HN
VIPER17HD / VIPER17LD
VIPER17HDTR / VIPER17LDTR
October 2008
Rev 4
1/33
www.st.com
33

VIPER17HDTR 產(chǎn)品屬性

  • STMicroelectronics

  • 電流型 PWM 控制器

  • 115 KHz

  • 80 %

  • 8.5 V to 23.5 V

  • 0.9 mA

  • 1

  • + 150 C

  • SMD/SMT

  • SOIC-16

  • - 40 C

  • 0.4 A

  • Reel

  • 14 V

  • 8 V

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