HMC860LP3E v01.0811 QUAD LOW NOISE HIGH PSRRLINEAR VOLTAGE REGULATORPin Descriptions Pin Number Function Description Interface Schematic 1 Vdd Unregulated power supply input 2 GND Supply Ground Enable Input, TTL Logic Level. The VRx outputs are 3 EN floating (high impedance) when EN = Low. Reference voltage (bandgap) output. Cannot be used to 4 REF source/sink current to/from external circuits 9 Sets VR3 to 5V output when connected to 5 HV3 ground, otherwise no connection. T Sets VR4 to 5V output when connected to 8 HV4 ground, otherwise no connection. M Sets VR2 to 5V output when connected to 13 HV2 ground, otherwise no connection. Sets VR1 to 5V output when connected to 16 HV1 G - S ground, otherwise no connection. IN Resistive feedback for VR3, 6 RD3 see “Output Voltage Adjust” section. N Resistive feedback for VR4, 7 RD4 IO see “Output Voltage Adjust” section. IT Resistive feedback for VR2, 14 RD2 see “Output Voltage Adjust” section. D Resistive feedback for VR1, N 15 RD1 see “Output Voltage Adjust” section. O 9 VR4 Regulator #4 Output R C 10 VR3 Regulator #3 Output E W 11 VR2 Regulator #2 Output O P 12 VR1 Regulator #1 Output Should contact PCB metallic area for best thermal Package Base N/C dissipation. Can be connected to Ground. Inf F or o m ra tip o r n ifc ur e n ,is hd e e d lbiv y e A r n y al oa g n D d evi tco e s p is la beclie ev eo d rtd o ebre sa: H ccur iattti e taen M d re ilicarbloew . H a o ve wev eC r, o n r o For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other poration, 2 Elizabeth Drive, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 978-250-3343 tel • 978-250-3373 fax • O rights of third parties that may result from its use. Specifications subject to change without notice. No rd P e h r o nO e n : 7 -li 81 n - e 32 a 9- t 4 w 70 ww. 0 • Ohi rd tt e ite r on.lc inom license is granted by implication or otherwise under any patent or patent rights of Analog Devices. e at www.analog.com 9 - 6 Application Trademarks and registered trademarks are the property of their respective owners.Support: apps@ A h ppitlitcitae ti .oco n Sm upport: Phone: 1-800-ANALOG-D
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