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Part Number: MXHV9910
Description: The MXHV9910 is a high-efficiency off-line LED driver. Manufactured using a dialectically isolated pro...


Description: The MXHV9910 is a high-efficiency off-line LED driver. Manufactured using a dialectically isolated pro...
The MXHV9910 is a high-efficiency off-line LED driver. Manufactured using a dialectically isolated process the XHV9910 can operate from 8V to 400V. This highly versatile input operating voltage enables a broad range of High Brightness (HB) LED applications. The MXHV9910 drives an external MOSFET at a fixed oscillator frequency set by an external resistor. Peak constant current to an LED string is maintained by modulating the MOSFET GATE signal on and off through the external current sense resistor connected to the CS input. Dimming of and LED string is controlled by adjusting the duty cycle of the PWM input, or applying a control voltage from 0 to 250mV to the LD input.
| Parameter | Symbol | Maximum | Units |
| VIN to GND | -0.5 to +500 | V | |
| CS | -0.3 to VDD+0.3 | V | |
| PD, PWM_D to GND | -0.3 to VDD +0.3 | V | |
| GATE to GND | -0.3 to VDD+0.3 | V | |
| VDDMAX | 15 | V | |
| Thermal Resistance, Junction to Ambient | JA | /W | |
| Operating Ambient | TA | -40 to +85 | |
| Storage Temperature | TSTG | -55 to +150 |
MXHV9910
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