Datasheet Linear Technology LTC3890IGN-3#TRPBF — Datenblatt

Dual-2-Phasen-Synchron-DC / DC-Abwärtsregler mit 60 V und niedrigem IQ

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PDF, 1.3 Mb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 40
60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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Architecture	Constant Frequency Current Mode
Demo Boards	DC2299A-A
Design Tools	LTspice File,LTpowerCAD Model
Export Control	no
Features	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good
Frequency	900 kHz
Frequency Adjust Range	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz
Integrated Inductor	no
Ishutdown	14 µA
Isupply	0.050 mA
Max Phases	2
Monolithic	no
Number of Outputs	2
Operating Temperature Range	-40 to 85 °C
Output Current	15 A
Output Current 2	15 A
Polyphase	yes
Sense Resistor	Rsense, DCR
Switch Current	15 A
Switch Current 2	15 A
Synchronous	yes
Topology	Buck
Topology 1	Buck
Topology 2	Buck
Vin Max	60 V
Vin Min	4 V
Vout Max	24 V
Vout Maximum	24V
Vout Min	0.8 V
Vout Min 2	0.8 V
Vref Accuracy Over Temp	1.5 %

RoHS

Compliant

Serie: LTC3890-3 (8)

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | High Input Voltage Buck | External Power Switch Buck Controllers
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

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