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MP3398AGF Datasheet(PDF) 10 Page - Monolithic Power Systems |
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MP3398AGF Datasheet(HTML) 10 Page - Monolithic Power Systems |
10 / 20 page STEP UP, 4 STRINGS, MAX. 350MA/STRING ANALOG AND PWM DIMMING, WHITE LED CONTROLLER MP3398A Rev. 1.04 www.MonolithicPower.com 10 5/26/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. PIN FUNCTIONS (continued) TSSOP16-EP &SOIC16 Pin # SOIC20 Pin # Name Description 13 17 ISENSE Current Sense Input. During normal operation, this pin senses the voltage across the external-inductor current-sensing resistor (RSENSE) for peak-current –mode control and also to limit the inductor current during every switching cycle. If this pin is not used for cascading applications, tie this pin to GND; do not let this pin float. 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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