LM7915

更新时间： 2024-11-26 12:46:35

品牌	Logo	应用领域
德州仪器 - TI		三端稳压器
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13页	1183K
描述
LM79XX Series 3-Terminal Negative Regulators

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数据手册

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LM7915 数据手册

LM7905, LM7912, LM7915

www.ti.com

SNOSBQ7C –JUNE 1999–REVISED MAY 2013

LM79XX Series 3-Terminal Negative Regulators

Check for Samples: LM7905, LM7912, LM7915

FEATURES

Connection Diagram

•

Thermal, Short Circuit and Safe Area

Protection

•

High Ripple Rejection

1.5A Output Current

4% Tolerance on Preset Output Voltage

space

DESCRIPTION

Figure 1. TO-220 Package

The LM79XX series of 3-terminal regulators is

available with fixed output voltages of −5V, −12V, and

−15V. These devices need only one external

component—a compensation capacitor at the output.

The LM79XX series is packaged in the TO-220 power

package and is capable of supplying 1.5A of output

current.

Front View

See Package Number NDE0003B

Typical Applications

These regulators employ internal current limiting safe

area protection and thermal shutdown for protection

against virtually all overload conditions.

Low ground pin current of the LM79XX series allows

output voltage to be easily boosted above the preset

value with a resistor divider. The low quiescent

current drain of these devices with a specified

maximum change with line and load ensures good

regulation in the voltage boosted mode.

*Required if regulator is separated from

filter capacitor by more than 3″. For value

given, capacitor must be solid tantalum.

25μF aluminum electrolytic may be

substituted.

For applications requiring other voltages, see LM137

datasheet.

†Required for stability. For value given,

capacitor must be solid tantalum. 25μF

aluminum electrolytic may be substituted.

Values given may be increased without

limit.

For output capacitance in excess of 100μF,

a high current diode from input to output

(1N4001, etc.) will protect the regulator

from momentary input shorts.

Figure 2. Fixed Regulator

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...13

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