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reference designAP6A355Q | Demoboard AP6A355QSP-EVM

Diodes Incorporated AP6A355Q | Demoboard AP6A355QSP-EVM

5.5V to 100V Input Automotive Grade, 3.5A Standard Buck Converter

Overview

TopologyBuck Converter
Input voltage5.5-100 V
Output 150 V / 3.5 A
IC revision1.1

Description

The AP6A255Q/AP6A355Q is an internally compensated, standard DC-DC buck converter with a default frequency of 300kHz. The device fully integrates a 500mΩ high-side power MOSFET power MOSFET to provide highly efficient step-down DC-DC conversion.The AP6A255Q/AP6A355Q device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.The AP6A255Q/AP6A355Q design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high frequency radiated EMI noise caused by MOSFET switching.The AP6A255Q/AP6A355Q is available in the standard Green SO-8EP package.

Features

Qualified for Automotive ApplicationsAEC-Q100 Qualified with the Following ResultsDevice Temperature Grade 1: -40°C to +125°C TADevice HBM ESD Classification Level 1CDevice CDM ESD Classification Level C5Functional Safety-Capable ISO26262 – Documentation Available to Aid Functional Safety System DesignVIN5V to 100V2V ±1.5% VREFContinuous Output CurrentAP6A255Q: 2.5AAP6A355Q: 3.5AVOUT Adjustable from 1.2V to 50VOvercurrent Protection (OCP)Thermal Protection

Typical applications

More information

Parts approved by Diodes Incorporated

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Order Code
Data­sheet
Downloads
Status
Product series
L(µH)
ISAT(A)
RDC typ.(mΩ)
IRP,40K(A)
Pins
Type
Mount
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
Packaging
SamplesAvailability & Sample
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784373680330
SPECWE-LHCA Low Profile High Current Inductor, 33 µH, 6.5 A
Availability
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Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LHCA Low Profile High Current Inductor
Inductance33 µH
Saturation Current6.5 A
DC Resistance87 mΩ
Performance Rated Current4.1 A
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Length10.85 mm
Height3.8 mm
Rated Current4.5 A
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Operating Temperature -55 °C up to +155 °C
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61304011121
SPECWR-PHD Pin Header - Single, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Pins40 
TypeStraight 
MountTHT 
Length101.6 mm
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Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
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