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Overview
| Topology | Flyback Converter |
| Input voltage | 90-270 V |
| Output 1 | 26 V / 0.35 A |
Description
The XC9402 is an offline controller for LED lighting that has power factor correction and uses the CRM (Critical Conduction Mode) control method. These ICs can be made to operate in a range from 85VAC to 270VAC.The input current can be synchronized with the input voltage (sine wave) to achieve a high power factor.
A peak current comparator, LED current estimator circuit, and ZVS comparator are incorporated into the IC, enabling an excellent LED current accuracy to be achieved. Operation by CRM control makes it possible to reduce power dissipation in the output diode.
VDD over-voltage protection, UVLO, over-current protection, thermal shutdown, and LED open/short protection are provided as protective functions.
Features
- Operating Voltage : 90VAC ~ 270VAC
- LED current accuracy : ±1% (90VAC ~ 250VAC: TYP)
- Power factor : 0.96 (220VAC. 8W)
- Efficiency : 84% (220VAC. 8W)
- VDD Input Voltage Range : 15.5V ~ 24V
- Control method : CRM Control
- Protection Circuits : VDD over-voltage protection
- : UVLO
- : Over-current protection
- : Thermal shutdown
- : LED open/short protection
- Packages : SOP-8
- Operating
- Ambient Temperature
- : -40 oC ~ +85 oC
Typical applications
- LED tube light
- LED Bulb
- Industrial and Commercial Lighting
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mH) | IR (A) | ISAT (mA) | RDC max. (Ω) | fres (MHz) | Version | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | Vaux (V) | Vaux 1 (V) | Vaux 2 (V) | fswitch (kHz) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750813551 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-OLEE Offline Transformer | 1.5 | – | 620 | – | – | – | 85 - 130 V (AC) | 35 | 285 | 6 | 285 | 20 | 14 | 6 | 80 - 200 | 21.3:5.3:1:3.2 | 3000 | 17.78 | 26.9 | 13.8 | SMT | EE16/8/5 | ||
 | 7447721047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 4.7 | 0.2 | 175 | 15 | 1 | Standard | – | – | – | – | – | – | – | – | – | – | – | 9.5 | 9.5 | 8 | THT | 8075 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 750813551 | SPEC | |
| 7447721047 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mH) | IR (A) | ISAT (mA) | RDC max. (Ω) | fres (MHz) | Version | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | Vaux (V) | Vaux 1 (V) | Vaux 2 (V) | fswitch (kHz) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples |
|---|