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Overview
| Topology | Other Topology |
| Switching frequency | 60-115 kHz |
| IC revision | 2 |
Description
The device is an off-line converter with an 800 V avalanche ruggedness power section, a PWM controller, user defined overcurrent limit, protection against feedback network disconnection, hysteretic thermal protection, soft start up and safe auto restart after any fault condition.
Advance frequency jittering reduces EMI filter cost. Burst mode operation and the devices very low consumption both help to meet the standard set by energy saving regulations.
Features
- 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 On-board soft-start
- Safe auto-restart after a fault condition
- Hysteretic thermal shutdown
Typical applications
- SMPS for set-top boxes, DVD players and
- Power metering
- Auxiliary power supply for appliances
- LED drivers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT(A) | fres(MHz) | Version | IRP,40K(A) | Size | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | VIN | VOut1(V) | IOut1(mA) | VOut2(V) | IOut2(mA) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 0.45 A, 2.3 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Saturation Current0.45 A | Self Resonant Frequency2.3 MHz | VersionPerformance | – | Size1030 | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.3 A | Inductance1000 µH | DC Resistance4600 mΩ | – | – | – | Length10 mm | Width10 mm | Height3 mm | MountSMT | ||||
| WE-PD SMT Power Inductor, 0.65 A, 3.4 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Saturation Current0.65 A | Self Resonant Frequency3.4 MHz | VersionPerformance | – | Size1030 | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.42 A | Inductance470 µH | DC Resistance2200 mΩ | – | – | – | Length10 mm | Width10 mm | Height3 mm | MountSMT | ||||
 | WE-SPC SMT Power Inductor, 0.8 A, 8 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-SPC SMT Power Inductor | Saturation Current0.8 A | Self Resonant Frequency8 MHz | VersionSMT | – | Size4838 | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.58 A | Inductance82 µH | DC Resistance750 mΩ | – | – | – | Length4.8 mm | Width4.8 mm | Height3.8 mm | MountSMT | ||||
 | WE-OLSTM Offline Flyback Transformers, 0.82 A, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLSTM Offline Flyback Transformers | Saturation Current0.82 A | – | – | – | SizeEE16/7/5 | – | – | – | Input Voltage 85 - 265 V (AC) | Output Voltage 115 V | Output Current 1700 mA | Output Voltage 26 V | Output Current 2100 mA | Auxiliary Voltage12 V | Switching Frequency 115 | Turns Ratio11.9:1.33:1:2.11 | – | Inductance900 µH | – | – | Insulation Test Voltage1500 V (AC) | – | Length18.5 mm | Width16.5 mm | Height18.8 mm | MountTHT | ||||
 | WE-PD4 SMT Power Inductor, 1.5 A, 37 MHz | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD4 SMT Power Inductor | Saturation Current1.5 A | Self Resonant Frequency37 MHz | – | – | SizeS | – | – | – | – | – | – | – | – | – | – | – | Rated Current1.5 A | Inductance4.7 µH | DC Resistance90 mΩ | – | – | – | Length6.6 mm | Width4.45 mm | Height2.92 mm | MountSMT | |||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | VersionTHT | – | SizeXS | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.7 A | Inductance10000 µH | DC Resistance350 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.5 mm | Height18 mm | MountTHT | ||||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current1.6 A | Inductance470 µH | DC Resistance225 mΩ | – | – | – | Length18.5 mm | Width11.6 mm | – | MountTHT | |||
 | WE-PD SMT Power Inductor, –, 1.8 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | Self Resonant Frequency1.8 MHz | VersionStandard | Performance Rated Current1.45 A | Size1210 | Saturation Current @ 10%1.5 A | Saturation Current @ 30%1.85 A | Rated Current1.4 A | – | – | – | – | – | – | – | – | Rated Current1.4 A | Inductance470 µH | DC Resistance560 mΩ | – | – | – | Length12 mm | Width12 mm | Height10 mm | MountSMT |