| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 300 kHz |
| Number of Pins | 10 Pin |
| Current Rating | 40 mA |
| Case/Package | TDFN-10 |
| Number of Outputs | 1 Output |
| Number of Positions | 10 Position |
| Switching Frequency | 300 kHz |
| Input Voltage (Max) | 48 V |
| Input Voltage (Min) | 6.5 V |
| Input Power (Max) | 20 W |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage (Max) | 48 V |
| Supply Voltage (Min) | 6.5 V |
| Input Voltage | 6.5VAC ~ 48VAC |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Operating Temperature | -40℃ ~ 125℃ (TA) |
The MAX16840ATB+T is a LED driver with integrated MOSFET for MR16 and other 12VAC input lamps in 10 pin TDFN package. It features to design low-component-count LED drivers for 12VAC and 24VAC input light bulbs. An input-current control scheme allows LED lamps based on this device to be compatible with electronic transformers and dimmable with standard trailing-edge dimmers. It has an integrated 0.2ohm (max), 48V switching MOSFET & uses constant-frequency average current-mode control. It senses the input current through the voltage at the FB pin and regulates its average. An input pin allows setting of the input-current level. When the voltage at this pin is set below a certain threshold, the input current is proportional to this voltage, while when that voltage is beyond the threshold, the input current is set at a fixed, predefined level. This non linear behaviour of REFI allows its use to achieve thermal foldback by connecting it to an NTC resistor.
● Supply voltage range is 6.5V to 48V
● Operating temperature range from -40°C to 125°C
● Buck, boost, SEPIC and buck-boost topologies
● Analogue dimming
● Internal overtemperature protection
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