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UR5516L-SH2-R Datasheet(PDF) 2 Page - Unisonic Technologies |
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UR5516L-SH2-R Datasheet(HTML) 2 Page - Unisonic Technologies |
2 / 9 page UR5516 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 2 of 9 www.unisonic.com.tw QW-R101-015,B PIN CONFIGURATION VIN GND VREF VOUT VCNTL VCNTL VCNTL VCNTL 8 7 6 5 4 3 2 1 SOP-8 VIN GND VREF VOUT NC VCNTL NC NC 8 7 6 5 4 3 2 1 HSOP-8 : Thermal Pad (Connected to GND plane for better heat dissipation) NC: No Connection TAB is VCNTL 1 2 3 4 5 VOUT VREF VCNTL GND VIN TO-252-5/TO-263-5 PIN DESCRIPTION PIN NAME I/O DESCRIPTION VIN I Main power input pin. Connect this pin to a voltage source and an input capacitor. The UTC UR5516 sources current to VOUT pin by controlling the upper NPN pass transistor, providing a current path from VIN pin. GND O Power and signal ground. Connect this pin to system ground plane with shortest traces. The UTC UR5516 sinks current from VOUT pin by controlling the lower NPN pass transistor, providing a current path to GND pin. This pin is also the ground path for internal control circuitry. VCNTL I Power input pin for internal control circuitry. Connect this pin to a voltage source, providing a bias for the internal control circuitry. A bypass capacitor is usually connected near this pin. VREF I Reference voltage input and active-low shutdown control pin. Apply a voltage to this pin as a reference voltage for the UTC UR5516. Connect this pin to a resistor divider, between VIN and GND, and a capacitor for soft-start and filtering noise purposes. Applying and holding this pin low by an open-drain transistor to shut down the output. VOUT O Output pin of the regulator. Connect this pin to load. Output capacitors connected this pin improves stability and transient response. The output voltage tracks the reference voltage and is capable of sourcing or sinking current up to 3A. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT SOP-8 160 HSOP-8 80 TO-252-5 80 Thermal Resistance TO-263-5 θJA 50 °C/W |
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