mc7905.2 ON Semiconductor, mc7905.2 Datasheet

mc7905.2

Manufacturer Part Number

mc7905.2

Description

1.0 A Negative Voltage Regulators

Manufacturer

ON Semiconductor

Datasheet

1.MC7905.2.pdf (16 pages)

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mc7905.2CK

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MC7900 Series

1.0 A Negative Voltage

Regulators

intended as complements to the popular MC7800 series devices.

These negative regulators are available in the same seven−voltage

options as the MC7800 devices. In addition, one extra voltage option

commonly employed in MECL systems is also available in the

negative MC7900 series.

these regulators employ current limiting, thermal shutdown, and

safe−area compensation − making them remarkably rugged under

most operating conditions. With adequate heatsinking they can deliver

output currents in excess of 1.0 A.

•

August, 2006 − Rev. 14

The MC7900 series of fixed output negative voltage regulators are

Available in fixed output voltage options from − 5.0 V to − 24 V,

Pb−Free Lead Finish

No External Components Required

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting

Output Transistor Safe−Area Compensation

Available in 2% Voltage Tolerance (See Ordering Information)

Pb−Free Package May be Available. The G−Suffix Denotes a

1.2 k

3.6 k

Figure 1. Representative Schematic Diagram

This device contains 26 active transistors.

1.1 k

2.0 k

1.6 k

20 k

8.0 k

1.0 k

20 k

20 pF

10 pF

10 k

240

10 k

4.0 k

750

Gnd

0.3

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

See general marking information in the device marking

section on page 14 of this data sheet.

and the output voltages. The input voltage must

remain typically 2.0 V above more negative even

during the high point of the input ripple voltage.

XX,

Input

A common ground is required between the input

0.33 mF

case outline drawing) is connected to Pin 2.

DEVICE MARKING INFORMATION

Heatsink surface (shown as terminal 4 in

These two digits of the type number

indicate nominal voltage.

appreciable distance from power supply filter.

connected to Pin 2.

Heatsink surface

CASE 221AB

D2T SUFFIX

is required if regulator is located an

improve stability and transient response.

ORDERING INFORMATION

STANDARD APPLICATION

CASE 936

T SUFFIX

TO−220

PAK

http://onsemi.com

Pin 1. Ground

MC79XX

2. Input

3. Output

Publication Order Number:

1.0 mF

MC7900/D

Output

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