Datasheet > MC78L12ACD2

MC78L12ACD2

更新时间： 2024-11-22 22:58:15

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
16页	104K
描述
Three-Terminal Low Current Positive Voltage Regulators

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MC78L12ACD2 数据手册

MC78L00A Series,

NCV78L00A

100 mA Positive Voltage

Regulators

The MC78L00A Series of positive voltage regulators are

inexpensive, easy−to−use devices suitable for a multitude of

applications that require a regulated supply of up to 100 mA. Like

their higher powered MC7800 and MC78M00 Series cousins, these

regulators feature internal current limiting and thermal shutdown

making them remarkably rugged. No external components are

required with the MC78L00 devices in many applications.

These devices offer a substantial performance advantage over the

traditional zener diode−resistor combination, as output impedance

and quiescent current are substantially reduced.

http://onsemi.com

TO−92

P SUFFIX

CASE 029

Features

• Wide Range of Available, Fixed Output Voltages

• Low Cost

• Internal Short Circuit Current Limiting

• Internal Thermal Overload Protection

• No External Components Required

• Complementary Negative Regulators Offered (MC79L00A Series)

• Pb−Free Packages are Available

Pin: 1. Output

2. Ground

3. Input

SOIC−8*

D SUFFIX

CASE 751

• NCV Prefix for Automotive and Other Applications Requiring Site

*SOIC−8 is an internally modified SO−8 package. Pins

2, 3, 6, and 7 are electrically common to the die attach

flag. This internal lead frame modification decreases

package thermal resistance and increases power

dissipationcapability when appropriately mounted on

a printed circuit board. SOIC−8 conforms to all exter-

nal dimensions of the standard SO−8 package.

and Control Changes

Input

Q11

15k

Q12

3.8k

Q10

5.0k

3.0

Output

PIN CONNECTIONS

0−25k

OUT

GND

1.9k

19k

2.2k

1.2k

420

2.85k

(Top View)

1.0k

ORDERING INFORMATION

Ground

See detailed ordering and shipping information in the package

dimensions section on page 9 of this data sheet.

Figure 1. Representative Schematic Diagram

DEVICE MARKING INFORMATION

MC78LXXA

Input

Output

See general marking information in the device marking

section on page 13 of this data sheet.

C *

0.33mF

C **

Figure 2. Standard Application

A common ground is required between the input and the output voltages. The

input voltage must remain typically 2.0 V above the output voltage even during

the low point on the input ripple voltage.

*C is required if regulator is located an appreciable distance from power

supply filter.

** C is not needed for stability; however, it does improve transient response.

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

December, 2004 − Rev. 9

MC78L00A/D

12 3 4 5 6 7...16

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与MC78L12ACD2相关器件

型号	品牌	获取价格	描述	数据表
MC78L12ACDG	ONSEMI	获取价格	100 mA Positive Voltage Regulators
MC78L12ACDR2	ONSEMI	获取价格	Three-Terminal Low Current Positive Voltage Regulators
MC78L12ACDR2	MOTOROLA	获取价格	Fixed Positive Standard Regulator, 12VBIPolar, PDSO8, PLASTIC, SOP-8
MC78L12ACDR2G	ONSEMI	获取价格	Three-Terminal Low Current Positive Voltage Regulators
MC78L12ACG	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar, MBCY3,
MC78L12ACGD	MOTOROLA	获取价格	Regulator, 1 Output, BIPolar, MBCY3,
MC78L12ACH	FAIRCHILD	获取价格	3-Terminal 0.1A Positive Voltage Regulator
MC78L12ACLP	VISHAY	获取价格	Regulator
MC78L12ACP	MOTOROLA	获取价格	Three-Terminal Low Current Positive Voltage Regulators
MC78L12ACP	BOCA	获取价格	3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATORS

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