MC7912ACTG ON Semiconductor, MC7912ACTG Datasheet

MC7912ACTG

Manufacturer Part Number

MC7912ACTG

Description

IC REG NEG VOLT 1A 12V TO220AB

Manufacturer

ON Semiconductor

Type

Linearr

Datasheets

1.MC7915CTG.pdf (16 pages)

2.MC7912ACTG.pdf (6 pages)

Specifications of MC7912ACTG

Regulator Topology

Negative Fixed

Voltage - Output

-12V

Voltage - Input

Down to -35V

Voltage - Dropout (typical)

1.3V @ 1A

Number Of Regulators

Current - Output

Operating Temperature

0°C ~ 125°C

Mounting Type

Through Hole

Package / Case

TO-220-3 (Straight Leads)

Package

3TO-220

Function

Standard

Number Of Outputs

Output Voltage

-12 V

Maximum Output Current

1 A

Output Type

Fixed

Accuracy

Â±2 %

Typical Dropout Voltage @ Current

1.3@1A V

Polarity

Negative

Output Current

1 A

Line Regulation

120 mV

Load Regulation

150 mV

Input Voltage Max

- 35 V

Maximum Operating Temperature

+ 125 C

Minimum Operating Temperature

0 C

Mounting Style

Through Hole

Voltage Regulation Accuracy

2 %

Current, Input Bias

4.4 mA

Current, Output

1 A

Package Type

TO-220

Regulation, Line

6 mV

Regulation, Load

46 mV

Regulator Type

Negative Voltage Out

Resistance, Thermal, Junction To Case

5 °C/W

Temperature, Operating, Range

0 to +125 °C

Voltage, Dropout

1.3 VDC

Voltage, Noise

75 μV

Voltage, Output

-12 V

Voltage, Supply

-35 VDC

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Limit (min)

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

MC7912ACTGOS

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

MC7912ACTG

Quantity:

2 500

Current page: 1 of 6
Download datasheet (89Kb)

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.

•

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

Pin 1. Ground

MC79XX

2. Input

3. Output

Publication Order Number:

1.0 mF

MC7900/D

Output

Related parts for MC7912ACTG

MC7912ACTG Summary of contents

Page 1

MC7900 Series 1.0 A Negative Voltage Regulators The MC7900 series of fixed output negative voltage regulators are intended as complements to the popular MC7800 series devices. These negative regulators are available in the same seven−voltage options as the MC7800 devices. ...

Page 2

MAXIMUM RATINGS (T = +25°C, unless otherwise noted.) A Input Voltage (−5.0 V ≥ V ≥ − Input Voltage (24 V) Power Dissipation Case 221A T = +25°C A Thermal Resistance, Junction−to−Ambient Thermal Resistance, Junction−to−Case 2 Case 936 ...

Page 3

MC7912B, MC7912C ELECTRICAL CHARACTERISTICS Characteristics Output Voltage (T = +25°C) J Line Regulation (Note +25° 100 mA −14.5 Vdc ≥ V ≥ − 30 Vdc I −16 Vdc ≥ V ≥ − 22 ...

Page 4

... Nominal Output Voltage Device MC7912ACD2T −12 V MC7912ACD2TG MC7912ACD2TR4 MC7912ACD2TR4G MC7912ACT MC7912ACTG MC7912BD2T MC7912BD2TG MC7912BD2TR4 MC7912BD2TR4G MC7912BT MC7912BTG MC7912CD2T MC7912CD2TG MC7912CD2TR4 MC7912CD2TR4G MC7912CT MC7912CTG MC7915ACD2T − MC7915ACD2TG MC7915ACT MC7915ACTG MC7915BD2T MC7915BD2TG MC7915BT MC7915BTG MC7915CD2T MC7915CD2TG MC7915CD2TR4 MC7915CD2TR4G MC7915CT MC7915CTG MC7900 Series Output Voltage ...

Page 5

... 0.010 (0.254 10.66 0.42 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. MC7900 Series PACKAGE DIMENSIONS 2 D PAK D2T SUFFIX PLASTIC PACKAGE CASE 936−03 ISSUE B −T− TERMINAL 4 ...

Page 6

PACKAGE DIMENSIONS TO−220, SINGLE GAUGE MC7900 Series T SUFFIX CASE 221AB−01 ISSUE O NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...

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