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reference designLT8292 | Demoboard EVAL-LT8292-BZ

Analog Devices LT8292 | Demoboard EVAL-LT8292-BZ

60V Synchronous Buck-Boost Controller

Overview

TopologyBuck-Boost Converter
Input voltage9-36 V
Output 112 V / 25 A

Description

The evaluation circuit EVAL-LT8292-BZ features the LT®8292: a parallelable 4-switch synchronous buck-boost controller. The LT8292 regulates the output voltage and output or input current from an input voltage below, equal to, or above the output voltage. With a wide 5.5V to 60V input range and a seamless transition between operating regions, the LT8292 is ideal for automotive, industrial, and telecom systems. The buck-boost peak current mode architecture allows adjustable phase-lockable 100kHz to 650kHz fixed frequency operation or internal spread spectrum operation for low electromagnetic interference (EMI). Additionally, the LT8292 features ISHARE and IGND pins, allowing for multi-IC leaderless current-sharing capabilities for higher-power applications.

Features

4-Switch Single Inductor Architecture that Allows VIN Above, Below, or Equal to VOUTProprietary Buck-Boost Peak Current ModeLow Ripple Burst Mode: 30μA IQForced Continuous Mode or Pulse-Skipping OperationSplit Gate Driver OutputsSelectable Dead Time SettingsLeaderless Current SharingAdjustable and Phase-lockable: 100kHz to 650kHzSpread Spectrum Frequency Modulation±2% Output Voltage Accuracy: 1V ≤ VOUT ≤ 60V±5% Input or Output Average Current AccuracyIntegrated Bootstrap DiodesVOUT Disconnected from VIN During Shutdown38-Lead Thin Shrink Small Outline Package (TSSOP) with Exposed PadAutomotive Qualified

Typical applications

More information

Parts approved by Analog Devices

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Data­sheet
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Wire Type
SamplesAvailability & Sample
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7443640330B
SPECWE-HCF SMT High Current Inductor, 3.3 µH, 59.2 A

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.

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Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCF SMT High Current Inductor
Inductance3.3 µH
Performance Rated Current59.2 A
Saturation Current @ 10%61.35 A
Saturation Current @ 30%70 A
DC Resistance0.97 mΩ
Self Resonant Frequency28.2 MHz
Wire TypeFlat 
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