BGC420

BGC420 Self-Biased BFP420 l l l l l SIEGET®25- Technology Small SCT598-Package Control Pin For Switching The Device Off Current Easy Adjustable By An External Resistor Voltage Independent Current (2V – 4.5V) 8 7 6 5 1 2 3 4 VPW05982 ESD: Electrostatic discharge sensitive device, observe handling precautions! Type BGC420 Marking 42s Ordering Code (8-mm taped) Q62702-G0092 Pin Configuration Package (circuit Diagram) SCT598 see below Equivalent Circuit Vcc Pin Connections, SCT598 Vr,5 4,Vcc 3, Vb 2, GND 1,RFin Vc Active Bias Circuit Vr RFout RFout,6 GND,7 Vc, 8 Vb Q1 Note: Top View RFin GND Description The BGC420 is a silicon self biased RF Transistor (Q1). It offers an adjustable collector current nearly independent from device voltage in the range from 2.0V to 4.5V. Additionally a control pin (Vc) for switching the device off is provided. The collector current can be adjusted by connecting a resistor (Rx) between Vcc and Vr. High Frequency Products 1 Edition A13, 05/99 BGC420 Maximum Ratings Parameter Device current Device voltage Total power dissipation, Ts ≤ Control voltage Input Current for pin 1 Junction temperature Ambient temperature range Storage temperature range Thermal Resistance Junction-soldering point 1) Symbol Unit 15 4.5 68 Vcc+0.5 380 150 -65...+150 -65...+150 ≤ 270 mA V mW V µA °C °C °C K/W 110°C 1) ICC Vcc Ptot Vc Ir Tj TA Tstg Rth JS 1)TS is measured on the Ground lead at the soldering point to the pcb. Electrical Specifications (Measured in Test Fixture applying the circuit specified in Figure 1 with Rx=82W), Tc=25°C, Vcc=3V, ICC£7mA unless noted Symbol Parameter Gp NF P-1dB IP3 RLin RLout ton toff Ileak IVcOn IVcOff Vcmin Vcmax 2) 3) Unit 2 Min 17.5 14.5 Typ 19 16 1.3 1.5 1 1 15 15 7 9 4 7 3.7 2.5