MAAM-010355-000000 datasheet(3/10 Pages) MA-COM

3 / 10 page

CATV Power Doubler

45 - 1200 MHz

Rev. V1

MAAM-010355

M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.

Visit www.macom.com for additional data sheets and product information.

For further information and support please visit:

https://www.macom.com/support

Absolute Maximum Ratings10,11

10. Exceeding any one or combination of these limits may cause

permanent damage to this device.

11. MACOM does not recommend sustained operation near

these survivability limits.

Parameter

Absolute Maximum

RF Input Power

12 dBm

Voltage

30 V

Storage Temperature

-65°C to +150°C

Printed Circuit Board (PCB) Thermal Design

To maintain reliable junction temperatures for this high power amplifier the printed circuit board must provide low thermal

resistance to the exposed paddle of the IC package. Two PCB thermal solutions are presented below. In general, thinner

substrates and thicker plating for vias provide lower thermal resistance. Calculation of case temperature must include

temperature rise in PCB. For additional details and support please contact https://www.macom.com/support

8. These operating conditions will ensure MTTF > 1 x 106 hours.

9. Junction Temperature (TJ) = Case Temperature (TC) + Өjc*(V*I)

Typical thermal resistance (ӨJC) = 3.8 °C/W.

a) For TC = 25°C,

TJ = 66°C @ 24 V, 445 mA

b) For TC = 100°C,

TJ = 141°C @ 24 V, 445 mA

Pedestal

Heat Sink

Chassis

PCB

PCB Cut-Out with Thermal Pedestal

139 total vias.

Vias plated to 2-mil (50 µm) thickness of copper.

Finished via diameter 10 mils (0.25 mm).

Via spacing 20 mils (0.51 mm).

2.8-mil (70 µm) thick copper for top and bottom metal.

PCB thermal resistance (ӨPCB) = 1.7 °C/W, measured.

For base temperature (TB) = +85°C, 24 V & 445 mA,

TJ = TB + ( ӨPCB + ӨJC ) * V * I = +144°C

Maximum Operating Conditions8

Parameter

Maximum Operating

Condition

RF Input Power

5 dBm

Voltage

24 V

Junction Temperature9

+160°C

Thermal Via Array, 62-mil PCB

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