SG120-12 데이터 시트보기 (PDF) - Microsemi Corporation

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SG120-12

NEGATIVE FIXED VOLTAGE REGULATOR

Microsemi Corporation 

SG120

NEGATIVE FIXED VOLTAGE REGULATOR

DESCRIPTION

The SG120 series of negative regulators offer self-contained, fixed-voltage

capability with up to 1.5A of load current. With a variety of output voltages and four

package options this regulator series is an optimum complement to the SG7800A/

7800/120 line of three terminal regulators.

All protective features of thermal shutdown, current limiting, and safe-area control

have been designed into these units and since these regulators require only a

single output capacitor or a capacitor and 5mA minimum load for satisfactory

performance, ease of application is assured.

Although designed as fixed-voltage regulators, the output voltage can be in-

creased through the use of a simple voltage divider. The low quiescent drain

current of the device insures good regulation when this method is used, especially

for the SG120 series. Utilizing an improved Bandgap reference design, problems

have been eliminated that are normally associated with the zener diode refer-

ences, such as drift in output voltage and large changes in the line and load

regulation

These devices are available in TO-257 (hermetically sealed TO-220), both

isolated and non-isolated), TO-3, TO-39 and TO-66 power packages.

FEATURES

• Output current to 1.5A

• Excellent line and load regulation

• Foldback current limiting

• Thermal overload protection

• Voltages available: -5V, -12V, -15V

• Voltages Not Recommended For New

Designs: -5.2V, -8V, -18V, -20V

• Contact factory for other voltage

options

HIGH RELIABILITY FEATURES

- SG120

♦ Available to MIL-STD - 883

♦ Radiation data available

♦ LMI level "S" processing available

SCHEMATIC DIAGRAM

11/91 Rev 1.4 6/97

Copyright  1997

LINFINITY Microelectronics Inc.

11861 Western Avenue ∞ Garden Grove, CA 92841

1

(714) 898-8121 ∞ FAX: (714) 893-2570

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