Datasheet Linear Technology LT3971IDD-3.3#PBF — Datenblatt

Hersteller	Linear Technology
Serie	LT3971-3.3
Artikelnummer	LT3971IDD-3.3#PBF

38V, 1,2A, 2MHz Abwärtsregler mit 2,8µA Ruhestrom

Datenblätter

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PDF, 643 Kb, Sprache: en, Datei hochgeladen: Sep 19, 2017, Seiten: 28
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current

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Preise

Verpackung

Package	3x3 DFN-10
Package Code	DD
Package Index	05-08-1699

Parameter

Architecture	Constant Frequency Current Mode
Demo Boards	DC1527A
Design Tools	LTspice File,LTpowerCAD Model
Export Control	no
Features	Burst Mode, Resistor Set Frequency, External Synchronization, Fixed Output
Frequency	2000 kHz
Frequency Adjust Range	200kHz - 2MHz
Frequency Sync Range	250kHz - 2MHz
Integrated Inductor	no
Ishutdown	0.7 µA
Isupply	0.0017 mA
Max Phases	1
Monolithic	yes
Number of Outputs	1
Operating Temperature Range	-40 to 85 °C
Output Current	1.2 A
Polyphase	no
Switch Current	2.4 A
Synchronous	no
Topology	Buck
Vin Max	38 V
Vin Min	4.3 V
Vout Max	3.3 V
Vout Maximum	3.3V
Vout Min	3.3 V
Vref Accuracy Over Temp	2.1 %

Öko-Plan

RoHS

Compliant

Andere Optionen

LT3971 LT3971 LT3971-5

Artikel

Herunterladen
1.2A Buck Converters Draw Only 2.8µA When Regulating Zero Load, Accept 38VIN or 55VIN &mdash LT Journal
PDF, 955 Kb, Datei veröffentlicht: Dec 1, 2009
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LINEAR TECHNOLOGY DECEMBER 2009 IN THIS ISSUEвЂ¦
COVER ARTICLE
1.2A Buck Converters Draw Only 2.8ВµA
When Regulating Zero Load, Accept
38VIN or 55VIN.1
John Gardner Linear in the News.2
DESIGN FEATURES
775 Nanovolt Noise Measurement
for a Low Noise Voltage Reference
.6
Jim Williams Monolithic Synchronous Step-Down
Regulator Sources 3A or Sinks 1.5A
in TSSOP or 3mm Г— 4mm QFN.10
Genesia Bertelle Designing a Solar Cell
Battery Charger.12
Jim Drew High Current/High Speed LED Driver
Revolutionizes PWM Dimming.16
Josh Caldwell Produce High DC/DC Step-Down Ratios
in Tight Spaces with 30ns Minimum
On-Time Controller in 3mm Г— 3mm QFN
.20
Theo Phillips New Generation of 14-Bit 150Msps
ADCs Dissipates a Third the Power …

Modellreihe

Serie: LT3971-3.3 (8)

LT3971EDD-3.3#PBF LT3971EDD-3.3#TRPBF LT3971EMSE-3.3#PBF LT3971EMSE-3.3#TRPBF LT3971IDD-3.3#PBF LT3971IDD-3.3#TRPBF LT3971IMSE-3.3#PBF LT3971IMSE-3.3#TRPBF

Herstellerklassifikation

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck

Andere Namen:

LT3971IDD-3.3PBF, LT3971IDD-3.3 PBF, LT3971IDD3.3#PBF, LT3971IDD 3.3#PBF

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