DATA SHEET SKY12242-492LF: 1.8 to 3.0 GHz, 100 W Compact High-Power SPDT Switch with Integrated Driver Applications TDD 2G/3G/4G LTE systems TX TXD VCTRL VCC High-power switch for micro-cell and macro-cell base stations Active antenna array Features VUREC VREC ANT Compact, integrated high-power switch with driver circuit Driver FB Small PCB footprint with minimal external components Requires only a single +5 V DC supply, and a 0 to 3 V COMP logic control Low TX/RX insertion loss: 0.3/0.7 dB 2.6 GHz High TX to RX isolation: 47.2 dB 2.6 GHz Low DC power consumption: < 100 mA in TX mode RX RXD BIAS RXD or < 55 mA in RX mode Figure 1. SKY12242-492LF Block Diagram Small QFN (20-pin, 5 5 mm) Pb-free package (MSL3, 260 C per JEDEC J-STD-020) Description The SKY12242-492LF is a compact, integrated high-power TM single-pole, double-throw (SPDT) switch with driver circuit for Skyworks Green products are compliant with TD-LTE applications. The part operates with a single +5 V supply all applicable legislation and are halogen-free. and switches with a single control voltage (0 to 3 V). For additional information, refer to Skyworks TM Denition of Green , document number This device features low TX and RX insertion loss, high isolation SQ040074. with low DC power consumption and requires minimal external components, enabling a smaller PCB footrprint. Table 1. Pin-to-Pin Compatible High-Power SPDT Switches The device is provided in a 5 5 mm, 20-pin Quad Flat No-Lead Part Number Power Handling (QFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Table 1 SKY12241-492LF 50 W (CW) list the part numbers of pin-compatible parts belonging to this SKY12242-492LF 100 W (CW) family of high-power SPDT switches. Signal pin assignments and functional pin descriptions are provided in Table 2. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 203423G Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice May 31, 2018 1 203423C-001DATA SHEET SKY12242-492LF: 100 W COMPACT HIGH-POWER SPDT SWITCH WITH INTEGRATED DRIVER 20 19 18 17 16 1 15 GND VUREC ANT 2 14 VREC 3 21 GND ANT FB 13 GND 4 12 COMP GND 5 11 GND 9 10 6 78 203423C-002 Figure 2. SKY12242-492LF Pinout (Top View) Table 2. SKY12242-492LF Signal Pin Descriptions Pin Name Function Description 1, 4, 5, 7, 11, 19 GND Ground Ground. Must be connected to ground using lowest possible impedance. 2, 3 ANT I/O Antenna RF port and DC bias input port. RF input line must be connected to both pins. 6 RX O Receive RF output port and DC bias input port. 8 RX BIAS I DC bias input port. 9 RXD BIAS O Driver output voltage for switch RX BIAS connection. 10 RXD O Driver output voltage for switch RX port. 12 COMP O Compensation pin of the internal boost converter. 13 FB O Feedback pin of the internal boost converter. 14 VREC I Rectified output voltage node of the internal boost converter. 15 VUREC O Unrectified output voltage node of the internal boost converter. 16 VCC I Input voltage for driver VCC. 17 VCTRL I Switch control (0/3 V) (0 V for Receive mode, 3 V for Transmit mode). 18 TXD O Driver output pin for TX port DC bias connection. 20 TX I Transmit RF input port and DC bias input port. 21 GND Ground Ground. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 May 31, 2018 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 203423G TX RX GND GND TXD RX BIAS VCTRL RXD BIAS RXD VCC