Diodes AP78L05/08/12 User Manual download pdf

AP78L05/08/12

AP78LXX SERIES 3-TERMINAL POSITIVE REGULATORS

AP78L05/08/12

Document number: DS31054 Rev. 10 - 2

1 of 16

www.diodes.com

March 2012

Description

The AP78LXX Series is a three terminal positive regulator

available with fixed output voltages from 5V, 8V and 12V,

making them useful in a wide range of applications. When

used as a Zener diode/resistor combination replacement, the

AP78LXX can improve output impedance by two orders of

magnitude, and lower quiescent current. These regulators

can provide local on card regulation, eliminating the

distribution problems associated with single point regulation.

The voltages available allow the AP78LXX's to be used in

logic systems. Instrumentation, HiFi and other solid state

electronic equipment.

The AP78LXX is available in the plastic TO92, SOT89 and

SO-8 using industrial standard package technology. The

regulator can deliver 100mA output current with adequate

heat sinking. Current limiting is included to limit the peak

output current to a safe value. Safe area protection for the

output transistors is provided to limit internal power

dissipation. Thermal overload protection is integrated to

prevent the IC from overheat due to abnormal condition.

Features

• Output voltages of 5.0V, 8.0V, 12V

• Output voltage tolerances of ±5% over the operating

temperature ranges

• Output current in excess of 100mA

• Internal thermal overload protection

• Output transistor safe area protection

• Internal short circuit current limiting

• No external components

• Available in plastic TO92, SOT89 and plastic SO-8 low

profile packages

• Lead Free Package: TO92 (Note 1)

• SO-8 and SOT89: Available in “Green” Molding

Compound (No Br, Sb) (Note 2)

• Lead Free Finish / RoHS Compliant (Note 3)

Pin Assignments

GND

OUT

TO92

(Bottom View)

SO-8

(Top View)

GND

OUT

GND

(

Top View

)

123

SOT8

OUT

Applications

• Communication

• CD-ROM

• DVD-Player

• Set-Top Box

Notes: 1. TO92 is available in “Lead Free” product only.

2. SO-8 and SOT89 are available in “Green” products only.

3. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2). All applicable RoHS exemptions applied.

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Summary of Contents

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