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Overview
| Topology | Buck Converter |
| Input voltage | 90-264 V |
| Switching frequency | 60-70 kHz |
| Output 1 | 20.3 V / 1 A |
| Output 2 | 13.2 V / 1 A |
| Output 3 | 5.2 V / 2 A |
| IC revision | 001 |
Description
The PWM Type DC/DC Converter for AC/DC provides an optimal system for all products that include an electrical outlet. This IC supports isolated power supply and enables simpler designs of various low power consumption electrical converters. It realizes the high flexibility in power supply design by incorporating a switching MOSFET and with external current detection resistor. This IC can make high efficiency power supply because it has AC low voltage protection function and X capacitor discharge function and operates frequency reduction, minimum ON width adjustment and burst operation at light load. This IC has following various protection functions.
Features
- AC Low Voltage Protection Function (AC UVLO)
- X Capacitor Discharge Function
- VCC Pin Low Voltage Protection (VCC UVLO)
- PWM Type Current Mode Control
- Frequency Reduction Function
- Burst Operation at Light Load
- Burst Voltage Setting Function
- Minimum ON Width Adjustment at Light Load
- Soft Start Function
- FB Pin Overload Protection Function (FB OLP)
- Over Current Protection Function by cycle
- Over Current Detection Compensation Function byAC Voltage Detection
- External Stop Function
- Dynamic Over Current Protection
- Leading Edge Blanking Function
Typical applications
- Each Household Applications
- Power Supplies for Motor
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 | Tol. C | Size | DF(%) | Ceramic Type | Fl(mm) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | 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 | Capacitance±10% | SizePitch 15 mm | – | – | – | – | – | – | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, 10 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance10 µF | Rated Voltage50 V (AC) | – | – | – | – | Pitch2 mm | Length11 mm | – | – | PackagingAmmopack | Capacitance±20% | – | Dissipation Factor10 % | – | – | Endurance 2000 | Ripple Current48 mA | Leakage Current5 µA | Diameter5 mm | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, 100 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | Capacitance100 µF | Rated Voltage50 V (AC) | – | – | – | – | Pitch3.5 mm | Length11.5 mm | – | – | PackagingAmmopack | Capacitance±20% | – | Dissipation Factor8 % | – | – | Endurance 3000 | Ripple Current730 mA | Leakage Current50 µA | Diameter8 mm | ||||
| WCAP-ATLI Aluminum Electrolytic Capacitors, –, 680 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | Capacitance680 µF | Rated Voltage35 V (AC) | – | – | – | – | Pitch5 mm | Length20 mm | – | – | PackagingAmmopack | Capacitance±20% | – | Dissipation Factor9 % | – | – | Endurance 5000 | Ripple Current2260 mA | Leakage Current238 µA | Diameter13 mm | ||||
 | WCAP-CSMH Mid and High Voltage, –, 470 pF | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance470 pF | Rated Voltage2000 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length3.2 mm | Width1.6 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | – | – | – | – | |||
| WCAP-CSMH Mid and High Voltage, –, 10 nF | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | Capacitance10 nF | Rated Voltage500 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length3.2 mm | Width1.6 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | – | – | – | – |