42142 데이터 시트보기 (PDF) - Micropac Industries

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42142

RADIATION TOLERANT POWER OPERATIONAL AMPLIFIER

Micropac Industries 

ADVANCED DATA SHEET

42142

Radiation Tolerant Power Operational Amplifier

+VS

50 F

3

4

42142

5

SIGNAL

6

GROUND

+RCL

21

8

-RCL

50 F

-VS

LOAD

Figure 4. Application Information

Controlling the short circuit current to the minimum necessary for a given application maximizes

device protection and reliability.

Approximate values for the current limiting resistors can be determined from the equation:

RCL = (0.65/ISC - 0.01) Ω

where ISC is the short circuit current limit in amperes at TC = 25°C.

Current limits for positive and negative load currents can be set independently.

Current limiting resistors carry the full output current, therefore the short circuit current limit should be

used in determining resistor wattage. Lead lengths of the limiting resistors should be minimized and

highly inductive resistor types should be avoided.

Large bypass capacitors (50 µF) are recommended across the power supply terminals if the application

requires large output current transients. Care should be taken to keep the power supply ground currents

from flowing through the signal ground path.

Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.

Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible.

MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION • 905 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 494-2281

www.micropac.com E-MAIL: hybridsales@micropac.com 05/17/01

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