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MP3394 Datasheet(PDF) 6 Page - Monolithic Power Systems |
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MP3394 Datasheet(HTML) 6 Page - Monolithic Power Systems |
6 / 17 page MP3394—4-STRING, MAX 200mA/STRING WHITE LED DRIVER MP3394 Rev. 1.07 www.MonolithicPower.com 6 3/21/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. PIN FUNCTIONS (continued) TSSOP16EP &SOIC16 SOIC20 Name Description 13 17 ISENSE Current Sense Input. During normal operation, this pin senses the voltage across the external inductor current sensing resistor for peak current mode control and also to limit the inductor current during every switching cycle. If this pin is not used in extending application with other master MP3394, tie this pin to GND, do not let this pin floating. 14 18 GATE Step-up Converter Power Switch Gate Output. This pin drives the external power N-MOS device. 15 19 VIN Supply Input. VIN supplies the power to the chip, as well as the step-up converter switch. Drive VIN with a 5V to 28V power source. Must be locally bypassed. 16 20 VCC The Internal 6V Linear Regulator Output. VCC provides power supply for the external MOSFET switch gate driver and the internal control circuitry. Bypass VCC to GND with a ceramic capacitor. 4, 6, 15, 16 NC No Connect. |
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