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Overview
| Topology | Flyback Converter |
| Input voltage | 207-253 V |
| Switching frequency | 10-130 kHz |
| Output 1 | 35 V / 0.45 A |
| IC revision | 2.2 |
Description
The SSL2103 is a Switched Mode Power Supply (SMPS) controller IC that operates in combination with a phase cut dimmer directly from the rectified mains. It is designed to drive LED devices. The device includes a circuit to allow direct start-up from the rectified mains voltage.For dimmer applications, an integrated dedicated circuitry optimizes the dimming curve.• SSL2101: fully integrated LED driver for lamps up to 10 W• SSL2102: fully integrated LED driver for lamps up to 25 W• SSL2103: gives the application designer flexibility to:– Use an external power switch to allow the IC to provide any power– Use an external bleeder transistors to provide extended dimmer interoperability
Features
- Easy migration to existing lighting control infrastructure
- Supports most available dimming solutions
- Optimized efficiency with valley switching managed by a built-in circuitry
- Demagnetization detection
- OverTemperature Protection (OTP)
- Short-Winding Protection (SWP) and OverCurrent Protection (OCP)
- Internal VCC generation allowing start-up from the rectified mains voltage
- Natural dimming curve by logarithmic correction, down to 1 %
- Suitable for flyback and buck applications
Typical applications
- LED strings suitable for retail displays, etc.
- LED modules such as LED spots and down-lights
- SSL applications with various power requirements
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | fres(MHz) | Size | Version | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR(A) | RDC max.(mΩ) | Z @ 25 MHz(Ω) | L(mm) | H(mm) | W(mm) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-PD SMT Power Inductor, 100 µH, 1.3 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance100 µH | Performance Rated Current1.3 A | Saturation Current0.75 A | Self Resonant Frequency7.5 MHz | Size7345 | VersionStandard | – | – | – | Rated Current0.79 A | DC Resistance610 mΩ | – | Length7.3 mm | Height4.5 mm | Width7.3 mm | –Check availability | |||
 | SPECWE-UKW EMI Suppression 6-Hole Ferrite Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-UKW EMI Suppression 6-Hole Ferrite Bead | – | – | – | – | – | VersionTHT | Impedance @ 100 MHz950 Ω | Maximum Impedance1180 Ω | Maximum Impedance60 MHz | Rated Current3 A | DC Resistance20 mΩ | Impedance @ 25 MHz650 Ω | Length25 mm | Height6 mm | Width10 mm | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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