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AC/DC & DC/DC converters (integrated FET)

LM5006

AKTIV

Nicht synchroner Abwärtsregler (Buck), 6–75 V, großer Vin-Bereich, 600 mA, konstant aktiv

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open-in-new Alternativen vergleichen
Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
LMR38010 AKTIV SIMPLE SWITCHER®-Abwärts-Spannungswandler mit 80 V, 1,0 A, 2,2 MHz und 40 μA IQ Smaller footprint, lower EMI, lower IQ, higher efficiency and spread spectrum.
TPSM365R6 AKTIV 0,6-A-Synchron-Abwärtswandlerstrommodul, 3 bis 65 V Eingang, 1 bis 13 V Ausgang Smaller design with an integrated-inductor power module.

LM5006

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Iout (max) (A) 0.65 Vin (min) (V) 6 Vin (max) (V) 75 Topology Buck Type Converter Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 800 Features Enable, Over Current Protection, Power good, UVLO adjustable Control mode Constant on-time (COT) Vout (min) (V) 2.5 Vout (max) (V) 75 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.001
Iout (max) (A) 0.65 Vin (min) (V) 6 Vin (max) (V) 75 Topology Buck Type Converter Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 800 Features Enable, Over Current Protection, Power good, UVLO adjustable Control mode Constant on-time (COT) Vout (min) (V) 2.5 Vout (max) (V) 75 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.001
VSSOP (DGS) 10 14.7 mm² 3 x 4.9
  • Operating Input Voltage Range: 6V to 75V
  • Integrated 80V, N-Channel Buck Switch
  • Internal Start-Up Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Line and Load Variations
  • Adjustable Output Voltage from 2.5V
  • Precision Internal Reference, ±2.5%
  • Intelligent Current Limit Reduces Foldback
  • Programmable Input UV Detector with Status Flag Output
  • Gate Output Driver for Synchronous Rectifier
  • Pre-Charge Switch Enables Bootstrap Gate Drive with no Load
  • Thermal Shutdown

Package

  • VSSOP - 10

All trademarks are the property of their respective owners.

  • Operating Input Voltage Range: 6V to 75V
  • Integrated 80V, N-Channel Buck Switch
  • Internal Start-Up Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Line and Load Variations
  • Adjustable Output Voltage from 2.5V
  • Precision Internal Reference, ±2.5%
  • Intelligent Current Limit Reduces Foldback
  • Programmable Input UV Detector with Status Flag Output
  • Gate Output Driver for Synchronous Rectifier
  • Pre-Charge Switch Enables Bootstrap Gate Drive with no Load
  • Thermal Shutdown

Package

  • VSSOP - 10

All trademarks are the property of their respective owners.

The LM5006 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient Buck bias regulator. This high voltage regulator contains an 80V N-Channel MOSFET Switch and a startup regulator. The device is easy to implement and is provided in an VSSOP-10 package. The regulator’s control scheme uses an on-time inversely proportional to VIN. This feature results in the operating frequency remaining relatively constant with line and load variations. The control scheme requires no loop compensation, resulting in fast transient response. An intelligent current limit is implemented with a forced off-time which is inversely proportional to VOUT. This scheme ensures short circuit control while providing minimum foldback. Other features include: Thermal Shutdown, VCC Under Voltage Lock-out, Max Duty Cycle Limiter, a Pre-charge Switch, a programmable Under Voltage Detector with a status flag output, and a gate driver output for a synchronous rectifier.

The LM5006 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient Buck bias regulator. This high voltage regulator contains an 80V N-Channel MOSFET Switch and a startup regulator. The device is easy to implement and is provided in an VSSOP-10 package. The regulator’s control scheme uses an on-time inversely proportional to VIN. This feature results in the operating frequency remaining relatively constant with line and load variations. The control scheme requires no loop compensation, resulting in fast transient response. An intelligent current limit is implemented with a forced off-time which is inversely proportional to VOUT. This scheme ensures short circuit control while providing minimum foldback. Other features include: Thermal Shutdown, VCC Under Voltage Lock-out, Max Duty Cycle Limiter, a Pre-charge Switch, a programmable Under Voltage Detector with a status flag output, and a gate driver output for a synchronous rectifier.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LM5006 80V, 600 mA Constant On-Time Buck Switching Regulator datasheet (Rev. B) 21 Mär 2013
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
White paper Wide VIN power management ICs simplify white paper (Rev. A) 19 Sep 2013
User guide AN-2050 LM5006 Evaluation Board (Rev. A) 25 Apr 2013
Application note AN-2171 Designing Constant-On-Time Buck Regulators for Low Drop-Out Voltage (Rev. A) 23 Apr 2013
More literature High-Voltage PoL Power Solutions 30 Jan 2012

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

LM5006EVAL — Evaluierungsplatine für den LM5006 V Abwärts-Schaltregler mit konstanter Einschaltdauer

The LM5006EVAL evaluation board provides the design engineer with a fully functional buck regulator, employing the constant on-time (COT) operating principle. This evaluation board provides a 5V output over an input range of 6V to 75V. The circuit delivers load currents to 500 mA, with current (...)
Benutzerhandbuch: PDF
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Simulationsmodell

LM5006 PSPICE Transient Model

SNVM703.ZIP (34 KB) - PSpice Model
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Simulationsmodell

LM5006 Unencrypted PSpice Transient Model

SNVMAL5.ZIP (3 KB) - PSpice Model
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Berechnungstool

LM5006QUICK-CALC — LM5006 Schnellstartrechner

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Referenzdesigns

PMP9676 — Nicht isolierter Abwärtswandler der Klasse 1 (5 V/560 mA) für PoE-PD-Anwendungen – Referenzdesign

This converter is used for Class 1 PoE PD applications where isolation is not required.  The TPS2378 PD controller plus LM5006 buck converter provide 5V/560mA with good efficieny in a small size.  The LM5006 can be configured with a diode rectifier for lowest cost or a synchronous FET (...)
Test report: PDF
Schaltplan: PDF
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VSSOP (DGS) 10 Optionen anzeigen
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