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Diodes AP6502 Manual de usuario

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AP6502
Document Number: DS35423 Rev. 9 - 2
1 of 15
www.diodes.com
January 2013
© Diodes Incorporated
NEW PRODUCT
A
P6502
340kHz 18V 2A SYNCHRONOUS DC/DC BUCK CONVERTER
Description
The AP6502 is a 340kHz switching frequency external compensated
synchronous DC/DC buck converter. It has integrated low R
DSON
high and low side MOSFETs.
The AP6502 enables continues load current of up to 2A with
efficiency as high as 95%.
The AP6502 features current mode control operation, which enables
fast transient response times and easy loop stabilization.
The AP6502 simplifies board layout and reduces space requirements
with its high level of integration and minimal need for external
components, making it ideal for distributed power architectures.
The AP6502 is available in a standard Green SO-8 and SO-8EP
package with exposed PAD for improved thermal performance and is
RoHS compliant.
Features
• V
IN
4.7V to 18V
• 2A Continuous Output Current, 3A Peak
• V
OUT
Adjustable from 0.925V to 16V
• 340kHz Switching Frequency
• Programmable Soft-Start
• Enable Pin
• Protection
OCP
Thermal Shutdown
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
COMP
SW
GND
BS
EN
FB
SS
( Top View )
1
2
3
4
8
7
6
5
IN
SO-8EP
Figure 1 Package Pin Out
Applications
• Gaming Consoles
• Flat Screen TV Sets and Monitors
• Set Top Boxes
• Distributed power systems
• Home Audio
• Consumer Electronics
• Network Systems
• FPGA, DSP and ASIC Supplies
• Green Electronics
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)
and <1000ppm antimony compounds.
Typical Application Circuit
Figure 2 Typical Application Circuit
0 0.4 0.8 1.2 1.6 2
LOAD CURRENT (A)
Efficiency vs. Load Current
EFFI
C
IEN
C
Y
(
%
)
L = 10µH
V = 3.3V
OUT
40
50
60
70
80
90
100
V = 5V
IN
V = 12V
IN
Vista de pagina 0
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Indice de contenidos

Pagina 1 - AP6502

AP6502 Document Number: DS35423 Rev. 9 - 2 1 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502340kHz 18V 2A SYNCHRONOUS

Pagina 2

AP6502 Document Number: DS35423 Rev. 9 - 2 10 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

Pagina 3 - (Note 7) (@T

AP6502 Document Number: DS35423 Rev. 9 - 2 11 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

Pagina 4

AP6502 Document Number: DS35423 Rev. 9 - 2 12 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

Pagina 5 - © Diodes Incorporated

AP6502 Document Number: DS35423 Rev. 9 - 2 14 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Ordering Information

Pagina 6 - L = 10µH

AP6502 Document Number: DS35423 Rev. 9 - 2 15 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Package Outline Dimensi

Pagina 7

AP6502 Document Number: DS35423 Rev. 9 - 2 16 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 IMPORTANT NOTICE DI

Pagina 8 - Current Limit Protection

AP6502 Document Number: DS35423 Rev. 9 - 2 2 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Pin Descriptions Pin

Pagina 9 - Compensation Components

AP6502 Document Number: DS35423 Rev. 9 - 2 3 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Absolute Maximum Ratin

Pagina 10 - Inductor

AP6502 Document Number: DS35423 Rev. 9 - 2 4 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Electrical Characteris

Pagina 11 - Output Capacitor

AP6502 Document Number: DS35423 Rev. 9 - 2 5 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Gra

Pagina 12 - External Bootstrap Diode

AP6502 Document Number: DS35423 Rev. 9 - 2 6 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Gra

Pagina 13 - (1) SO-8EP

AP6502 Document Number: DS35423 Rev. 9 - 2 7 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Typical Performance Ch

Pagina 14 - (2) SO-8

AP6502 Document Number: DS35423 Rev. 9 - 2 8 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informatio

Pagina 15 - NEW PRODUCT

AP6502 Document Number: DS35423 Rev. 9 - 2 9 of 15 www.diodes.com January 2013 © Diodes Incorporated NEW PRODUCT AP6502 Applications Informat

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