LED Application Product
In the field of power management IC, Leadtrend provides professional and innovative design for high quality intelligent lighting chips. The advantages of total solutions includes outstanding efficiency, great precision, high power factor, lower THD, less flicker and smart control to process signals, and so on. |
- 3 in 1 Flexible Dimming Processor
- Active-PFC Primary Side Regulator Controller
- Active-PFC Secondary Side Regulator Controller
- Current Ripple Suppressor
- Secondary Side CC/CV Controller
3 in 1 Flexible Dimming Processor
Part No. | Input Voltage (V) | Topology | Transfer Ratio (%/V) | Output Frequency (KHz) | Cut Off Function | Package | Application |
---|---|---|---|---|---|---|---|
LD8116B | 15~58 | Analog-to-Digital Coverter | 11.4 | 1.5 | No | SOT-26 | LED lighting |
LD8116D | 15~58 | Analog-to-Digital Coverter | 10.0 | 1.5 | No | SOT-26 | LED lighting |
LD8116Q | 15~58 | Analog-to-Digital Coverter | 13.3 | 1.5 | No | SOT-26 | LED lighting |
Active-PFC Primary Side Regulator Controller
Part No. | VIN | Topology | Power Output (W) Recommend | Max. Freqency of Switching (KHz) | HV start-up | Power Factor | System Accuracy(%) | Package | Application |
---|---|---|---|---|---|---|---|---|---|
LD7841 | 90V~277V AC | Single stage PFC + CV | < 90 | 90 | Yes | > 0.92 | +/-5 | SOP-7/ SOP-8 | LED lighting |
Active-PFC Secondary Side Regulator Controller
Part No. | VIN | Topology | Power Output (W) Recommend | Max. Freqency of Switching (KHz) | HV start-up | Power Factor | System Accuracy(%) | Package | Application |
---|---|---|---|---|---|---|---|---|---|
LD7792N | 90V~277V AC | PFC + Flyback | < 90 | 450/85 | Yes | > 0.92 | +/-3 | SOP-16 | LED lighting with dimming |
LD7792O | 90V~277V AC | PFC + Flyback | < 90 | 450/110 | Yes | > 0.92 | +/-3 | SOP-16 | LED lighting with dimming |
LD7838 | 90V~277V AC | Flyback | < 90 | 300 | Yes | > 0.92 | +/-3 | SOP-7/ SOP-8 | LED lighting with dimming |
Current Ripple Suppressor
Part No. | Input Voltage (V) | Topology | Output Current Ripple(%) | Package | Application |
---|---|---|---|---|---|
LD6802J | 10~30 | Linear for 0-10V , TRIAC dimming | < 5 | SOT-26 | LED lighting |
Secondary Side CC/CV Controller
Part No. | Input Voltage (V) | Topology | Dimmable | Tolerance of Current Sense (%) | Tolerance of Voltage sense(%) | Package | Application |
---|---|---|---|---|---|---|---|
LD8115A | 3~38 | CC/CV Feedback | Yes | +/-2 | +/-1 | SOT-8 | Charger, LED lighting |
Active-PFC Primary Side Regulator Controller
Part No. | VIN | Topology | Power Output (W) Recommend | Max. Freqency of Switching (KHz) | HV start-up | Power Factor | System Accuracy(%) | Package | Application |
---|---|---|---|---|---|---|---|---|---|
LD7841 | 90V~277V AC | Single stage PFC + CV | < 90 | 90 | Yes | > 0.92 | +/-5 | SOP-7/ SOP-8 | LED lighting |