MC7990

Features:

• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor SafeArea Compensation
• Available in 2% Voltage Tolerance (See Ordering Information)


Specifications

Rating	Symbol	Value	Unit
Input Voltage (5.0 V VO 18 V)                          (24 V)	VI	35 40	Vdc
Power Dissipation    Case 221A       TA = +25°C       Thermal Resistance, JunctiontoAmbient       Thermal Resistance, JunctiontoCase   Case 936 (D2PAK)       TA = +25°C       Thermal Resistance, JunctiontoAmbient       Thermal Resistance, JunctiontoCase	PD JA JC PD JA JC	Internally Limited 65 5.0 Internally Limited 70 5.0	W /W /W W /W /W
Storage Junction Temperature Range	Tstg	65 to +150
Junction Temperature	TJ	+150

  


Description

The MC7900 series of fixed output negative voltage regulators are ntended as complements to the popular MC7800 series devices. These egative regulators are available in the same sevenvoltage options as the MC7800 devices. In addition, one extra voltage option commonly employed in MECL systems is also available in the negative MC7900 series.

Available in fixed output voltage options from 5.0 V to 24 V, these regulators MC7990 employ current limiting, thermal shutdown, and safearea compensation making them remarkably rugged under most operating conditions. With adequate heatsinking they can deliver output currents in excess of 1.0 A.