Datasheet Linear Technology LT3922 — Datenblatt

HerstellerLinear Technology
SerieLT3922

36V, 2A Synchroner Step-Up-LED-Treiber

Datenblätter

Datasheet LT3922
PDF, 2.5 Mb, Sprache: en, Datei hochgeladen: Oct 4, 2017, Seiten: 32
36V, 2A Synchronous Step-Up LED Driver
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Preise

Verpackung

LT3922EUFD#PBFLT3922EUFD#TRPBFLT3922HUFD#PBFLT3922HUFD#TRPBFLT3922IUFD#PBFLT3922IUFD#TRPBF
N123456
Package4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
4x5 QFN-28
Paketumrisszeichnung
Package CodeUFDUFDUFDUFDUFDUFD
Package Index05-08-171205-08-171205-08-171205-08-171205-08-171205-08-1712
Pin Count282828282828

Parameter

Parameters / ModelsLT3922EUFD#PBFLT3922EUFD#TRPBFLT3922HUFD#PBFLT3922HUFD#TRPBFLT3922IUFD#PBFLT3922IUFD#TRPBF
Demo BoardsDC2247ADC2247ADC2247ADC2247ADC2247ADC2247A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Dimming5000:1 PWM, 128:1 Internal PWM5000:1 PWM, 128:1 Internal PWM5000:1 PWM, 128:1 Internal PWM5000:1 PWM, 128:1 Internal PWM5000:1 PWM, 128:1 Internal PWM5000:1 PWM, 128:1 Internal PWM
Export Controlnononononono
FeaturesSpread Spectrum, Silent Switcher ArchitectureSpread Spectrum, Silent Switcher ArchitectureSpread Spectrum, Silent Switcher ArchitectureSpread Spectrum, Silent Switcher ArchitectureSpread Spectrum, Silent Switcher ArchitectureSpread Spectrum, Silent Switcher Architecture
Frequency, kHz200020002000200020002000
Ishutdown, µA111111
Isupply, mA2.92.92.92.92.92.9
Max Number of LEDsUp to 34VUp to 34VUp to 34VUp to 34VUp to 34VUp to 34V
Monolithicyesyesyesyesyesyes
Number of Outputs111111
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85
Output Current, A222222
Switch Current, A2.32.32.32.32.32.3
Synchronousyesyesyesyesyesyes
TopologyBoost, Buck, Buck-BoostBoost, Buck, Buck-BoostBoost, Buck, Buck-BoostBoost, Buck, Buck-BoostBoost, Buck, Buck-BoostBoost, Buck, Buck-Boost
Vin Max, V363636363636
Vin Min, V2.82.82.82.82.82.8
Vout Max, V404040404040

Öko-Plan

LT3922EUFD#PBFLT3922EUFD#TRPBFLT3922HUFD#PBFLT3922HUFD#TRPBFLT3922IUFD#PBFLT3922IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliant

Konstruktionshinweise

  • Low EMI LED Driver Features 2A, 40V, Integrated, Synchronous Switches for Automotive Lightin &mdash DN557
    PDF, 298 Kb, Datei veröffentlicht: Oct 12, 2016
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Artikel

  • Synchronous, Low EMI LED Driver Features Integrated Switches and Internal PWM Dimming &mdash LT Journal
    PDF, 1.6 Mb, Datei veröffentlicht: Aug 10, 2016
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Modellreihe

Herstellerklassifikation

  • Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers | Step-Down (Buck) LED Drivers | Buck-Boost LED Drivers | Multitopology LED Driver
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) LED Drivers
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