DATA SHEET SKY12210-478LF: 0.9 to 5.0 GHz, 100 W High-Power Silicon PIN Diode SPDT Switch Applications Transmit/receive switching and failsafe switching in TD-SCDMA, WiMAX, and LTE base stations Transmit/receive switching in land mobile radios and military communication systems Features High-power handling: 100 W CW, 480 W peak Low insertion loss: 0.4 dB typical Figure 1. SKY12210-478LF Block Diagram High antenna to receive isolation: 44 dB 2.6 GHz typical Controlled with positive power supply Description Bias driver circuit available on request The SKY12210-478LF 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 900 MHz to 5 GHz band. It features low insertion loss, excellent power handling, and superb linearity with low DC power consumption. The SKY12210-478LF is well-suited for use as a high-power transmit/receive switch in a variety of telecommunication systems such as WiMAX, TD-SCDMA, and LTE base stations. 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 201634I Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice February 18, 2020 1 DATA SHEET SKY12210-478LF: 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. SKY12210-478LF Pinout (Top View) Table 1. SKY12210-478LF 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 6 GND 14 TX Transmit RF input port and DC bias input port lowest possible impedance. 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 SKY12210-478LF are The state of the SKY12210-478LF 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 SKY12210-478LF Evaluation Board. Table 4. Power de-rating data is plotted against temperature in Figures 10 Typical performance characteristics of the SKY12210-478LF are and 11. Equivalent circuit diagrams for transmit and receive are illustrated in Figures 3 through 9. shown in Figure 12. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 201634I Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice February 18, 2020 2 N/C N/C GND GND RX TX GND GND