DATA SHEET SKY12212-478LF: 0.05 to 2.70 GHz, 100 W High Power Silicon PIN Diode SPDT Switch Applications ANT Transmit/receive switching and failsafe switching in TD-SCDMA, WiMAX, and LTE base stations Transmit/receive switching in land mobile radios and military TX RX communication systems Features Exposed RX BIAS High-power handling: 100 W CW, 480 W peak Paddle Low insertion loss: 0.4 dB typical S2403 High antenna to receive isolation: 44 dB 1.2 GHz typical Figure 1. SKY12212-478LF Block Diagram Controlled with positive power supply Bias driver circuit available on request Circuit board for high-power, low-frequency applications Description available on request The SKY12212-478LF is a high-power handling, single-pole, Small, QFN (16-pin, 4 x 4 mm) Pb-free package double-throw (SPDT) silicon PIN diode switch. The device (MSL1, 260 C per JEDEC J-STD-020) operates over the 50 MHz to 2.7 GHz band. It features low insertion loss, excellent power handling, and superb linearity with TM Skyworks Green products are compliant with low DC power consumption. all applicable legislation and are halogen-free. The SKY12212-478LF is well-suited for use as a high power For additional information, refer to Skyworks TM transmit/receive switch in a variety of telecommunication systems Denition of Green , document number such as WiMAX, TD-SCDMA, or LTE base stations. SQ040074. The device is provided in a 4 x 4 mm, 16-pin Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 202368E Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice June 28, 2018 1 DATA SHEET SKY12212-478LF: 100 W PIN DIODE SPDT SWITCH 16 15 14 13 1 12 GND N/C ANT 2 11 N/C 3 10 GND N/C 4 9 N/C RX BIAS 5 6 78 S2401 Figure 2. SKY12212-478LF Pinout (Top View) Table 1. SKY12212-478LF Signal Descriptions Pin Name Description Pin Name Description Ground. Must be connected to ground using 1 GND 9 RX BIAS RF ground port and DC bias input port lowest possible impedance. 2 ANT Antenna RF port and DC bias input port 10 N/C No connection Ground. Must be connected to ground using 3 GND 11 N/C No connection lowest possible impedance. 4 N/C No connection 12 N/C No connection Ground. Must be connected to ground using 5 N/C No connection 13 GND lowest possible impedance. Ground. Must be connected to ground using Transmit RF input port and DC bias input 6 GND 14 TX lowest possible impedance. port Ground. Must be connected to ground using 7 RX Receive output port and DC bias input port 15 GND lowest possible impedance. Ground. Must be connected to ground using 8 GND 16 N/C No connection lowest possible impedance. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY12212-478LF are The state of the SKY12212-478LF is determined by the logic provided in Table 2. Recommended operating conditions are provided in Table 6. Table 7 provides the logic for use with the specified in Table 3 and electrical specifications are provided in SKY12212-478LF Evaluation Board. Table 4. Power derating data is plotted against temperature in Figures 10, Typical performance characteristics of the SKY12212-478LF are 11, and 12. Equivalent circuit diagrams for transmit and receive illustrated in Figures 3 through 9. are shown in Figure 13. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 June 28, 2018 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 202368E N/C N/C GND GND RX TX GND GND