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DIODES AP1538SG-13 product image
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DIODES AP1538SG-13RoHS

Manufacturer
DIODES
MPN
AP1538SG-13
LCSC Part #
C507870
Packaging
SOIC-8
Customer #
Key Attributes
18V 3A 300KHz Buck Converter
Datasheetpdf iconDIODES AP1538SG-13
In-Stock: 8,551
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QtyUnit PriceTotal Amount
1+$ 0.164$ 0.16
10+$ 0.1328$ 1.33
30+$ 0.1203$ 3.61
100+$ 0.1047$ 10.47
500+$ 0.0969$ 48.45
1,000+$ 0.0922$ 92.20
Standard Packaging2500/Full Reel

Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerDIODES
PackagingSOIC-8
Operating Temperature-40℃~+125℃
Frequency - Switching300kHz
FunctionStep-down type
Number of Outputs1
FeaturesAdjustable current limiting;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage3.6V~18V
Switch tube (built-in/external)Built-in
Output Current3A
Output Voltage800mV~18V
Quiescent Current10uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

AP1538 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier, internal PMOS. AP1538 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 99%. 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 50KHz. 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 and SOP-8L-DEP mini-packages, providing such outstanding features as low current consumption. Since this converter can accommodate an input voltage up to 18V, it is also suitable for the operation via an AC adapter.

Features

AI Translation
  • Input voltage: 3.6V to 18V
  • Output voltage: 0.8V to VCC
  • Output current: up to 3A
  • Duty ratio: 0% to 99% PWM control
  • Oscillation frequency: 300KHz typical
  • Soft-start like, Current limit and Enable function
  • Thermal Shutdown function
  • Built-in internal SW P-channel MOS
  • SOP-8L and SOP-8L-DEP: Available in “Green” Molding Compound (No Br, Sb) Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Applications

AI Translation
  • PC Motherboard
  • LCD Monitor
  • Graphic Card
  • DVD-Video Player
  • Telecom Equipment
  • ADSL Modem
  • Printer and other Peripheral Equipment
  • Microprocessor core supply