Applications

 TDD 2G/3G/4G LTE systems

 High-power switch for micro-cell and macro-cell base stations

 Active antenna array

Features

 Compact, integrated high-power switch with driver circuit

 Small PCB footprint with minimal external components

 Requires only a single +5 V DC supply, and a 0 to 3 V

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

or < 55 mA in RX mode

 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

single-pole, double-throw (SPDT) switch with driver circuit for

TD-LTE applications. The part operates with a single +5 V supply

and switches with a single control voltage (0 to 3 V).

This device features low TX and RX insertion loss, high isolation

with low DC power consumption and requires minimal external

components, enabling a smaller PCB footrprint.

The device is provided in a 5  5 mm, 20-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. Table 1

list the part numbers of pin-compatible parts belonging to this

family of high-power SPDT switches. Signal pin assignments and

functional pin descriptions are provided in Table 2.