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AP1510SG-13_17 View Datasheet(PDF) - Diodes Incorporated.

Part NameAP1510SG-13_17 Diodes
Diodes Incorporated. Diodes
DescriptionPWM CONTROL 3A STEP-DOWN CONVERTER
AP1510SG-13_17 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
AP1510
PWM CONTROL 3A STEP-DOWN CONVERTER
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. An enable function, an over current protection
and a short circuit protection are built inside, 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 SO-8 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.
Features
Input Voltage: 3.6V to 23V
Output Voltage: 0.8V to VCC
Duty Ratio: 0% to 100% PWM Control
Oscillation Frequency: 300kHz Typ
Current Limit, Enable Function
Thermal Shutdown Function
Built-in Internal SW P-channel MOS
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free.“Green” Device (Note 3)
Pin Assignments
( Top View )
FB 1
8 Vss
EN 2
OCSET 3
AP1510
7 Vss
6 Output
VCC 4
5 Output
SO-8
Applications
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
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/quality/lead_free.html 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
VIN
Vcc
Output
ROCSET COCSET
3.9K Option
AP1510
CIN
OCSET
FB
470uF
CVcc
REN
100K
EN
VSS
0.1uF
CEN
0.1uF
L1
22uH
CC
Optional
D1
VOUT=5V/3A
RA
6.8K
+
+
C
-
RB
1.3K
0.1uF-
COUT
470uF
AP1510
Document number: DS31018 Rev. 8 - 2
Note: VOUT = VFB x (1+RA/RB)
RB=0.7K~5K ohm
1 of 9
www.diodes.com
December 2017
© Diodes Incorporated
Direct download click here

 

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