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AP1510S View Datasheet(PDF) - Diodes Incorporated.

Part NameAP1510S Diodes
Diodes Incorporated. Diodes
DescriptionPWM CONTROL 3A STEP-DOWN CONVERTER
AP1510S Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
AP1510
PWM CONTROL 3A STEP-DOWN CONVERTER
Features
Input voltage: 3.6V to 23V
Output voltage: 0.8V to VCC
Duty ratio: 0% to 100% PWM control
Oscillation frequency: 300KHz typ.
Soft-start, Current Limit, Enable function
Thermal Shutdown function
Built-in internal SW P-channel MOS
SOP-8L Pb-Free Package
Lead Free Finish/RoHS Compliant (Note 1)
Applications
General Description
AP1510 consists of step-down switching regulator with PWM control.
These devices include a reference voltage source, oscillation circuit,
error amplifier, and internal PMOS.
AP1510 provides low-ripple power, high efficiency, and excellent
transient characteristics. The PWM control circuit is able to vary the
duty ratio linearly from 0 up to 100%. This converter also contains
an error amplifier circuit as well as a soft-start circuit that prevents
overshoot at startup. An enable function, an over current protect
function and a short circuit protect function are built inside, and
when OCP or SCP happens, the operation frequency will be
reduced from 300KHz to 30KHz. Also, an internal compensation
block is built in to minimum external component count.
With the addition of an internal P-channel Power MOS, a coil,
capacitors, and a diode connected externally, these ICs can function
as step-down switching regulators. They serve as ideal power
supply units for portable devices when coupled with the SOP–8L
mini-package, providing such outstanding features as low current
consumption. Since this converter can accommodate an input
voltage up to 23V, it is also suitable for the operation via an AC
adapter.
Cellular Phones
PC Motherboard
LCD Monitor
Graphic Card
DVD-Video Player
Telecom Equipment
ADSL Modem
Printer and other Peripheral Equipment
Microprocessor core supply
Networking power supply
Ordering Information
A P1 5 10 X X X
Package
S : SOP-8L
Lead-Free
L : Lead-Free
Packing
-U : Tube
-13 : Taping
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
(Note 2)
Package
Code
Packaging
Tube
Quantity
Part Number
Suffix
13” Tape and Reel
Quantity
Part Number
Suffix
AP1510S
S
Lead-free
SOP-8L
100
-U
2500/Tape & Reel
-13
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.
AP1510 Rev. 1
1 of 8
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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