Diodes AZ317 Manuel d'utilisateur télécharger pdf

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317

Data Sheet

Jan. 2013 Rev. 1. 6 BCD Semiconductor Manufacturing Limited

General Description

The AZ317 is an adjustable three-terminal positive

voltage regulator with a very low dropout of 1.2V at

1A output current. Using 2 external resistors, the

AZ317 can provide an adjustable output voltage down

to 1.25V.

The AZ317 includes a circuit of trimmed bandgap ref-

erence to assure output voltage accuracy to be within

1%. It also provides current limiting and thermal shut-

down. The current limit is trimmed to ensure specified

output current and controlled short-circuit current. The

On-chip thermal limiting provides protection against

any combination of overload and ambient temperature

that would create excessive junction temperature.

The AZ317 is available in the standard SOT-223, TO-

220-3, TO-252-2 (1), TO-252-2 (3) and TO-263-3

power packages.

Features

· Typical 1% Output Voltage Tolerance

· Typical 0.01%/V Line Regulation

· Typical 0.2% Load Regulation

· Very Low Dropout Voltage: 1.2V at 1A Output

Current

· Trimmed Current Limit

· On-chip Thermal Protection

· Operation Junction Temperature: 0 to 125

Applications

· PC Motherboard

· LCD Monitor

· Graphic Card

· DVD Player

· Network Interface Card/Switch

· Telecom Equipment

· Printer and other Peripheral Equipment

Figure 1. Package Types of AZ317

SOT-223

TO-220-3

TO-252-2 (1)

TO-263-3

TO-252-2 (3)

1 2 3 4 5 6 ... 14 15

Résumé du contenu

Page 1 - Applications

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet1Jan. 2013 Rev. 1. 6 BCD Semiconductor Manuf

Page 2 - Functional Block Diagram

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Page 3 - Ordering Information

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Page 4

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet12Jan. 2013 Rev. 1. 6 BCD Semiconductor Manu

Page 5 - Electrical Characteristics

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet13Jan. 2013 Rev. 1. 6 BCD Semiconductor Manu

Page 6

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Page 7

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Page 8

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet2Jan. 2013 Rev. 1. 6 BCD Semiconductor Manuf

Page 9 - Typical Application

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet3Jan. 2013 Rev. 1. 6 BCD Semiconductor Manuf

Page 10 - SOT-223 Unit: mm(inch)

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Page 11 - TO-220-3 Unit: mm(inch)

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Page 12 - Unit: mm(inch)TO-252-2(1)

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Page 13 - TO-252-2(3) Unit: mm(inch)

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet7Jan. 2013 Rev. 1. 6 BCD Semiconductor Manuf

Page 14 - TO-263-3 Unit: mm(inch)

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3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet9Jan. 2013 Rev. 1. 6 BCD Semiconductor Manuf

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