KTD2041 Datasheet Brief:9-Channel IR LED Driver with Buck Regulator and I2C Interface
The buck regulator has an input voltage operating range from 2.7V to 5.5V to accommodate 1-cell lithium-ion batteries or 5V voltage rail. It has adaptive output voltage control based on the headroom voltages of the LED current sinks to minimize the power consumption. It has integrated high-side and low-side power FET. The buck regulator features advanced adaptive On-Time control with 1MHz switching frequency, which minimizes external component counts and allows the use of a very small inductor and capacitor.
The KTD2041 has 9 built-in current sinks, which features independent On/Off control and 6-bit independent current dimming via I²C interface. The KTD2041 has extensive built-in protection features including cycle-by-cycle current limit, input undervoltage Lockout (UVLO), output over-voltage protection, LED fault (open or short) protection and thermal shutdown protection.
The KTD2041 is available in a RoHS and Green compliant 3mm x 3mm UQFN package.
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[ IR LED Drivers ][ Video Door Bells ][ Security Cameras ][ IRIS Recognition Cameras ] |
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Datasheet |
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Please see the document for details |
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UQFN33-20 |
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English Chinese Chinese and English Japanese |
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March 2022 |
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Revision 04b |
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182 KB |
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