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AP1506 Datasheet(PDF) 1 Page - Diodes Incorporated

Part No. AP1506
Description  150KHz, 3A PWM BUCK DC/DC CONVERTER
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Maker  DIODES [Diodes Incorporated]
Homepage  http://www.diodes.com
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AP1506 Datasheet(HTML) 1 Page - Diodes Incorporated

 
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AP1506
150KHz, 3A PWM BUCK DC/DC CONVERTER
AP1506 Rev. 2
1 of 13
NOVEMBER 2006
www.diodes.com
© Diodes Incorporated
Lead-free
Lead-free
Lead-free
Output Voltage: 3.3V, 5V, 12V and Adjustable Output
Version
Adjustable Version Output Voltage Range, 1.23V to
18V+4%
150KHz +15% Fixed Switching Frequency
Voltage Mode Non-Synchronous PWM Control
Thermal-Shutdown and Current-Limit Protection
ON /OFF Shutdown Control Input
Operating Voltage can be up to 22V
Output Load Current: 3A
TO220-5L, TO263-5L Packages
Low Power standby mode
Built-in Switching Transistor On Chip
Lead Free Finish/RoHS Compliant (Note 1)
The AP1506 series are monolithic IC designed for a step-down
DC/DC converter, and own the ability of driving a 3A load without
external transistor. Due to reducing the number of external
component, the board space can be saved easily. The external
shutdown function can be controlled by logic level and then come
into standby mode. The internal compensation makes feedback
control have good line and load regulation without external
design. Regarding protected function, thermal shutdown is to
prevent over temperature operating from damage, and current
limit is to prevent over current operating of the output switch. If
current limit function occurred and VFB is down to 0.5V below, the
switching frequency will be reduced. The AP1506 series operate
at a switching frequency of 150KHz thus allowing smaller sized
filter components than what would be needed with lower
frequency switching regulators. Other features include a
guaranteed +4% tolerance on output voltage under specified
input voltage and output load conditions, and +15% on the
oscillator frequency. The output version included fixed 3.3V, 5V,
12V, and an adjustable type. The packages are available in a
standard 5-lead TO-220 or a 5-lead TO-263.
Simple High-Efficiency Step-Down Regulator
On-Card Switching Regulators
Positive to Negative Converter
Ordering Information
Package
T5: TO 220-5L
K5: TO 263-5L
Output Version
AP1506
XX X X X
Packing
-U : Tube
-13 : Taping
Blank : Adjustable
33
: 3.3V
50
: 5.0V
12
: 12V
T5R: TO 220-5L(R)
Lead Free
L : Lead Free Package
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Note:
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
Features
General Description
Applications
Tube
13” Tape and Reel
Device (Note 2)
Package
Code
Packaging
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
AP1506-XXK5
K5
TO263-5L
NA
NA
800/Tape & Reel
-13
AP1506-XXT5
T5
TO220-5L
50
-U
NA
NA
AP1506-XXT5R
T5R
TO220-5L(R)
50
-U
NA
NA


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