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VIPER06LSTR

Offline PWM Flyback Converter

The VIPER06LSTR is a offline pwm flyback converter from STMicroelectronics. View the full VIPER06LSTR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

VIPER06LSTR shares its datasheet with VIPER06, whose page lists every part number it covers.

Official VIPER06LSTR datasheet (PDF) — the source this page was extracted from.

Manufacturer

STMicroelectronics

Package

SSO10

Lifecycle

Active

VIPER06LSTR Key Specifications

ParameterValue
Breakdown Voltage800 V
Case/PackageSSOP
China RoHSCompliant
Continuous Drain Current (ID)350 mA
Duty Cycle70%
Fault ProtectionCurrent Limiting, Open Loop, Over Temperature
Switching Frequency60kHz
Height1.75 mm
Height - Seated (Max)1.75 mm
Internal Switch(s)Yes
Lead FreeLead Free
Length4.9 mm
Lifecycle StatusProduction (Last Updated: 8 months ago)
Max Duty Cycle80 %
Max Input Voltage23.5 V
Max Input Voltage (AC)265 V
Max Junction Temperature (Tj)150 °C
Max Operating Temperature125 °C
Max Power Dissipation1 W
Max Supply Voltage23.5 V
Max Switching Frequency66 kHz
Min Breakdown Voltage800 V
Min Input Voltage11.5 V
Min Input Voltage (AC)85 V
Min Operating Temperature-25 °C
Min Supply Voltage11.5 V
MountSurface Mount
Mounting TypeSurface Mount
Nominal Input Voltage14 V
Number of Channels1
Number of Circuits1
Number of Outputs1
Number of Pins10
Number of Terminals10
Operating Supply Current1.45 mA
Operating Temperature-40°C ~ 150°C (TJ)
Output IsolationEither
Output Power30 mW
Output Voltage800 V
Package / Case10-SOP (0.154", 3.90mm Width)
PackagingTape and Reel
Power Rating8 W
Power Rating8 W
Radiation HardeningNo
Rds On Max32 Ω
REACH SVHCUnaffected
RoHSCompliant
Schedule B8542390000, 8542390000|8542390000|8542390000|8542390000|8542390000
Supplier Device Package10-SSOP
Switching Frequency60 kHz
Terminal Pitch1 mm
TopologyBuck
TopologyBuck, Flyback
Voltage - Breakdown800V
Voltage - Start Up13 V
Supply Voltage11.5V ~ 23.5V
Width3.9 mm

VIPER06LSTR Overview

Part: VIPER06

Type: Offline High Voltage Converter

Description: Offline converter with an integrated 800 V avalanche-rugged power MOSFET, PWM controller, and up to 8 W output power capability.

Operating Conditions:

  • Supply voltage: 11.5 to 23.5 V
  • Operating temperature: -40 to 150 °C (operating junction temperature range)
  • Switching frequency: 30 kHz (VIPER06Xx), 60 kHz (VIPER06Lx), or 115 kHz (VIPER06Hx)

Absolute Maximum Ratings:

  • Max supply voltage: Self-limited V (VDD input current max 20 mA)
  • Max continuous current: 2.5 A (pulse drain current)
  • Max junction/storage temperature: 150 °C

Key Specs:

  • Drain-source breakdown voltage: 800 V min (IDRAIN = 1 mA, VCOMP = GND, TJ = 25 °C)
  • Drain-source on-state resistance: 32 Ω max (IDRAIN = 0.2 A, TJ = 25 °C); 67 Ω max (IDRAIN = 0.2 A, TJ = 125 °C)
  • Drain current limitation: 0.32 A min, 0.35 A typ, 0.38 A max (ILIM = -10 μA, VCOMP = 3.3 V, TJ = 25 °C)
  • VDD startup threshold: 12 V min, 13 V typ, 14 V max
  • VDD undervoltage shutdown threshold: 7 V min, 8 V typ, 9 V max
  • FB reference voltage: 3.2 V min, 3.3 V typ, 3.4 V max
  • Operating supply current (switching): 1.45 mA max (VIPER06Lx, VDRAIN = 120 V, FOSC = 60 kHz)
  • Thermal shutdown threshold: 150 °C min, 160 °C typ (hysteresis 30 °C typ)

Features:

  • 800 V avalanche rugged power section
  • PWM operation with frequency jittering for low EMI
  • Direct self-biasing from rectified mains without auxiliary winding
  • Standby power < 30 mW at 265 V AC
  • Limiting current with adjustable set point via LIM pin
  • Integrated soft-start and safe auto-restart after fault conditions
  • Hysteretic thermal shutdown

Applications:

  • Replacement of capacitive power supplies
  • Home appliances
  • Power metering
  • LED drivers

Package:

  • DIP-7
  • SSO10

VIPER06LSTR Features

  • ■ 800 V avalanche rugged power section
  • ■ PWM operation with frequency jittering for low EMI
  • ■ Operating frequency:
  • -30 kHz for VIPER06Xx
  • -60 kHz for VIPER06Lx
  • -115 kHz for VIPER06Hx
  • ■ No need for an auxiliary winding in low-power applications
  • ■ Standby power < 30 mW at 265 V AC
  • ■ Limiting current with adjustable set point
  • ■ On-board soft-start
  • ■ Safe auto-restart after a fault condition
  • ■ Hysteretic thermal shutdown

VIPER06LSTR Applications

  • ■ Replacement of capacitive power supplies
  • ■ Home appliances
  • ■ Power metering
  • ■ LED drivers

VIPER06LSTR Electrical Characteristics

(T J = -25 to 125 °C, V DD = 14 V (a) unless otherwise specified).

VIPER06LSTR Absolute Maximum Ratings

Table 3. Absolute maximum ratings

SymbolPin (DIP-7)ParameterValueValueUnit
SymbolPin (DIP-7)ParameterMinMaxUnit
V DRAIN7, 8Drain-to-source (ground) voltage800V
E AV7, 8Repetitive avalanche energy (limited by T J = 150 °C)2mJ
I AR7, 8Repetitive avalanche current (limited by T J = 150 °C)1A
I DRAIN7, 8Pulse drain current (limited by T J = 150 °C)2.5A
V COMP5Input pin voltage-0.33.5V
V FB4Input pin voltage-0.34.8V
V LIM3Input pin voltage-0.32.4V
V DD2Supply voltage-0.3Self- limitedV
I DD2Input current20mA
P TOTPower dissipation at T A < 40 °C (DIP-7)1W
P TOTPower dissipation at T A < 50 °C (SSO10)1W
T JOperating junction temperature range-40150°C
T STGStorage temperature-55150°C

VIPER06LSTR Thermal Information

Table 4. Thermal data

SymbolParameterMax value SSO10Max value DIP-7Unit
R thJPThermal resistance junction pin (dissipated power = 1 W)3540° C/W
R thJAThermal resistance junction ambient (dissipated power = 1 W)100110° C/W
R thJAThermal resistance junction ambient (1) (dissipated power = 1 W)8090° C/W

Table 4. Thermal data

VIPER06LSTR Package Information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK ® packages, depending on their level of environmental compliance. ECOPACK ® specifications, grade definitions and product status are available at: www.st.com. ECOPACK ® is an ST trademark.

Table 8. DIP-7 mechanical data

Dim.mmmmmm
Dim.TypMinMax
A5.33
A10.38
A23.302.924.95
b0.460.360.56
b21.521.141.78
c0.250.200.36
D9.279.0210.16
E7.877.628.26
E16.356.107.11
e2.54
eA7.62
eB10.92
L3.302.923.81
M (1)(2)2.508
N0.500.400.60
N10.60
O (2)(3)0.548
  1. Creepage distance 250 V.
  • Note: 1 The lead size includes the thickness of the lead finishing material.
  • 2 Dimensions do not include mold protrusion, not to exceed 0.25 mm in total (both sides).
  • 3 Package outline exclusive of metal burr dimensions.
  • 4 Datum plane 'H' coincident with the bottom of lead, where lead exits body (refer to Figure 29 on page 23).

Figure 29. DIP-7 package dimensions

Figure 29. DIP-7 package dimensions

Table 9. SSO10 mechanical data

Dim.Databook (mm.)Databook (mm.)Databook (mm.)
Dim.TypMin.Max
A1.75
A10.100.25
A21.25
b0.310.51
c0.170.25
D4.904.805
E65.806.20
E13.903.804
e1
h0.250.50
L0.400.90
K0°8°

Table 9. SSO10 mechanical data

Figure 30. SSO10 package dimensions

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
VIPER06STMicroelectronics—
VIPER06HNSTMicroelectronicsDIP-7
VIPER06HSSTMicroelectronicsSSO10
VIPER06HSTRSTMicroelectronicsSSO10
VIPER06HXSTMicroelectronics—
VIPER06LNSTMicroelectronicsDIP-7
VIPER06LSSTMicroelectronicsSSO10
VIPER06LXSTMicroelectronics—
VIPER06XNSTMicroelectronicsDIP-7
VIPER06XSSTMicroelectronicsDIP-7
VIPER06XSTRSTMicroelectronicsSSO10

Other Integrated Circuits

All Integrated Circuits datasheetsAll STMicroelectronics datasheets (808)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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