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The device is a high voltage converter smartly integrating an 800 V avalanche-rugged power MOSFET with PWM current mode control. The power MOSFET with 800 V breakdown voltage allows the extended input voltage range to be applied, as well as the size of the DRAIN snubber circuit to be reduced. This IC meets the most stringent energy-saving standards as it has very low consumption and operates in pulse frequency modulation under light load. The design of flyback, buck and buck boost converters is supported. The integrated HV startup, sense- FET, error amplifier and oscillator with jitter allow a complete application to be designed with the minimum number of components.
Key Features
- 800 V avalanche-rugged power MOSFET allowing ultra wide VAC input range to be covered
- Embedded HV startup and sense-FET
- Current mode PWM controller
- Drain current limit protection
- 370 mA (VIPER113)
- 480 mA (VIPER114)
- 590 mA (VIPER115)
- Wide supply voltage range: 4.5 V to 30 V
- Minimized system input power consumption:
- Less than 10 mW at 230 VAC in no-load condition
- Less than 400 mW at 230 VAC with 250 mW load
- Jittered switching frequency reduces the EMI filter cost:
- 30 kHz ± 7% (type X)
- 60 kHz ± 7% (type L)
- 120kHz ± 7%(type H)
- Embedded E/A with 1.2 V reference
- Protections with automatic restart: overload/short-circuit (OLP), line or output OVP, max. duty cycle counter, VCC clamp
- Pulse-skip protection to prevent flux- runaway
- Embedded thermal shutdown
- Built-in soft-start for improved system reliability
Featured Videos
Evaluation Tools
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Picture Part number Manufacturer Description 
STDES-EVT001V1 ST 1 kW traction controller reference design for 3-phase BLDC motors for light electric vehicles 
STEVAL-ISA195V1 ST 5 V / 0.36 A buck converter using VIPerPlus ? VIPer11 
STEVAL-ISA196V1 ST 5 V / 1.2 A non-isolated flyback converter using VIPerPlus?VIPer114LS 
STEVAL-ISA197V1 ST 12 V, 7.8 W isolated flyback converter based on VIPer114LS Part Number1 kW traction controller reference design for 3-phase BLDC motors for light electric vehicles
5 V / 0.36 A buck converter using VIPerPlus ? VIPer11
5 V / 1.2 A non-isolated flyback converter using VIPerPlus?VIPer114LS
12 V, 7.8 W isolated flyback converter based on VIPer114LS
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| VIPER113LSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER113XSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER114HSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER114LSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER114XSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER115HSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER115LSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
| VIPER115XSTR | Active | SSOP 10 | Industrial | Ecopack2 | |
VIPER114LSTR
Package:
SSOP 10Material Declaration**:
VIPER114XSTR
Package:
SSOP 10Material Declaration**:
VIPER115LSTR
Package:
SSOP 10Material Declaration**:
VIPER115XSTR
Package:
SSOP 10Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
eDesignSuite
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Package | Packing Type | Marketing Status | RDS(on) (Ω) (max) | Transistor Breakdown Voltage (V) (min) | Drain Current (A) (nom) | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VIPER113LSTR | 3 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | - | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER115LSTR | 6 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | 0.59 | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER115HSTR | 3 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | - | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER114XSTR | 1 distributors | SSOP 10 | Tape And Reel | Active | 17 | 800 | - | EAR99 | CHINA | 0.4179 / 1k | ||
| VIPER115XSTR | 4 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | 0.59 | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER114HSTR | 3 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | - | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER113XSTR | 3 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | - | EAR99 | CHINA | 0.4179 / 1k | |
| VIPER114LSTR | 5 distributors | Get sample | SSOP 10 | Tape And Reel | Active | 17 | 800 | 0.48 | EAR99 | CHINA | 0.4179 / 1k |
VIPER114XSTR
Package
SSOP 10Packing Type
Tape And ReelBudgetary Price (US$)*/Qty
0.4179 / 1k(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
