- Pinout
- Footprint
MAXIC Tech MT7844D
| Manufacturer | MAXIC TechAsian Brands |
| MPN | MT7844D |
| LCSC Part # | C428247 |
| Packaging | DIP-7 |
| Customer # | |
| Key Attributes | Non-isolated high power factor step-down LED driver chip |
| Datasheet | MAXIC Tech MT7844D |
| RoHS Compliance | 1 documents available |
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs | |
| Manufacturer | MAXIC Tech | |
| Packaging | DIP-7 | |
| Output Voltage | - | |
| Features | Over Voltage Protection;Short Circuit Protection;Over-Temperature Protection (OTP) | |
| Frequency - Switching | - | |
| Switch Tube (Built-In/External) | Built-in | |
| Voltage - Input(AC) | - | |
| Operating temperature | -40℃~+125℃ | |
| Topology | Buck | |
| Number of Channels | 1 | |
| Type | - | |
| Output Current | - | |
| Voltage - Input(DC) | 7.2V~12V | |
| Constant Current Accuracy | 3% |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs | |
| Manufacturer | MAXIC Tech | |
| Packaging | DIP-7 | |
| Output Voltage | - | |
| Features | Over Voltage Protection;Short Circuit Protection;Over-Temperature Protection (OTP) | |
| Frequency - Switching | - | |
| Switch Tube (Built-In/External) | Built-in | |
| Voltage - Input(AC) | - |
| Type | Description | |
|---|---|---|
| Operating temperature | -40℃~+125℃ | |
| Topology | Buck | |
| Number of Channels | 1 | |
| Type | - | |
| Output Current | - | |
| Voltage - Input(DC) | 7.2V~12V | |
| Constant Current Accuracy | 3% |
Introduction
MT7844D is a high power factor, non-isolated LED driver IC. It achieves full-cycle sensing through a floating ground, high-side sensing, buck switching power supply architecture. With an internally integrated high-voltage supply circuit, MT7844D eliminates the need for startup resistors and supply diodes, reducing BOM cost. MT7844D operates in quasi-resonant mode, improving both efficiency and EMI performance. MT7844D integrates multiple protection features, including OVP, OCP, over-temperature compensation, and more, enhancing reliability — all protections feature auto-recovery. A built-in 550V high-voltage MOSFET simplifies the peripheral circuitry.
Features
- Single-stage power factor correction (PF > 0.9)
- High-voltage supply, no startup or auxiliary supply circuit required
- High-accuracy LED output current (±3%)
- Excellent line and load regulation (±2%)
- Quasi-resonant operation mode
- Multiple protection features
- DIP7 package
Applications
- E14/E27/PAR30/PAR38/GU10 luminaires
- T8/T10 LED tubes
- Other LED driver applications
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs | |
| Manufacturer | MAXIC Tech | |
| Packaging | DIP-7 | |
| Output Voltage | - | |
| Features | Over Voltage Protection;Short Circuit Protection;Over-Temperature Protection (OTP) | |
| Frequency - Switching | - | |
| Switch Tube (Built-In/External) | Built-in | |
| Voltage - Input(AC) | - | |
| Operating temperature | -40℃~+125℃ | |
| Topology | Buck | |
| Number of Channels | 1 | |
| Type | - | |
| Output Current | - | |
| Voltage - Input(DC) | 7.2V~12V | |
| Constant Current Accuracy | 3% |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs | |
| Manufacturer | MAXIC Tech | |
| Packaging | DIP-7 | |
| Output Voltage | - | |
| Features | Over Voltage Protection;Short Circuit Protection;Over-Temperature Protection (OTP) | |
| Frequency - Switching | - | |
| Switch Tube (Built-In/External) | Built-in | |
| Voltage - Input(AC) | - |
| Type | Description | |
|---|---|---|
| Operating temperature | -40℃~+125℃ | |
| Topology | Buck | |
| Number of Channels | 1 | |
| Type | - | |
| Output Current | - | |
| Voltage - Input(DC) | 7.2V~12V | |
| Constant Current Accuracy | 3% |
Introduction
MT7844D is a high power factor, non-isolated LED driver IC. It achieves full-cycle sensing through a floating ground, high-side sensing, buck switching power supply architecture. With an internally integrated high-voltage supply circuit, MT7844D eliminates the need for startup resistors and supply diodes, reducing BOM cost. MT7844D operates in quasi-resonant mode, improving both efficiency and EMI performance. MT7844D integrates multiple protection features, including OVP, OCP, over-temperature compensation, and more, enhancing reliability — all protections feature auto-recovery. A built-in 550V high-voltage MOSFET simplifies the peripheral circuitry.
Features
- Single-stage power factor correction (PF > 0.9)
- High-voltage supply, no startup or auxiliary supply circuit required
- High-accuracy LED output current (±3%)
- Excellent line and load regulation (±2%)
- Quasi-resonant operation mode
- Multiple protection features
- DIP7 package
Applications
- E14/E27/PAR30/PAR38/GU10 luminaires
- T8/T10 LED tubes
- Other LED driver applications
C428247 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS Compliant |
| ECCN | |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| RoHS | ROHS Compliant |
| ECCN | |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |