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Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| Switching frequency | 20-30 kHz |
| Output 1 | 13.6 V / 1 A |
| IC revision | 001 |
Description
The PWM type DC/DC converter for AC/DC provides an optimal system for all products that require an electrical outlet. This IC supports both isolated and non-isolated devices and enables simpler designs of various types of a low power consumption electrical converters. The built-in 650V startup circuit contributes to low power consumption. Power supplies can be designed flexibly by connecting a current detection resistor for the switching externally. Current is restricted in each cycle and excellent performances are demonstrated in a bandwidth and transient response since a current mode control is utilized. The switching frequency is 25kHz by a fixed method. A built-in frequency hopping function also contributes to low EMI. A built-in 650V switching MOSFET makes designs easy.
Features
- PWM Current Mode Method
- Frequency Hopping Function
- Burst Operation at Light Load
- Built-in 650V Startup Circuit
- Built-in 650V Switching MOSFET
- VCC UVLO (Under Voltage Lockout)
- VCC OVP (Over Voltage Protection)
- Soft Start Function
- FB OLP (Over Load Protection)
- Over Current Detection Function per Cycle
- Over Current Detection AC Voltage Compensation Function
- SOURCE Pin Open Protection Function
- SOURCE Pin Short Protection Function
- SOURCE Pin Leading Edge Blanking Function
Typical applications
- AC Adapters, Household Appliances (Such as Vacuum Cleaners, Humidifiers, Air Cleaners, Air Conditioners, IH Cooking Heaters and Rice Cookers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Film Capacitors, Across the mains, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance100 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | Length18 mm | Width6 mm | Height12 mm | PackagingCarton | – | – | – | – | – | ||||
 | WCAP-ATUL Aluminum Electrolytic Capacitors, –, 680 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors | Capacitance680 µF | Rated Voltage25 V (AC) | – | – | – | – | Pitch5 mm | Length20 mm | – | – | PackagingAmmopack | Endurance 7000 | Ripple Current1400 mA | Leakage Current170 µA | Dissipation Factor14 % | Diameter10 mm | ||||
 | WCAP-ATLL Aluminum Electrolytic Capacitors, –, 10 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLL Aluminum Electrolytic Capacitors | Capacitance10 µF | Rated Voltage50 V (AC) | – | – | – | – | Pitch2 mm | Length11 mm | – | – | PackagingAmmopack | Endurance 4000 | Ripple Current120 mA | Leakage Current5 µA | Dissipation Factor10 % | Diameter5 mm |