Datasheet Linear Technology LTC3858IUFD-1#TRPBF — Ficha de datos

Controlador reductor síncrono dual de 2 fases I _Q bajo

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PDF, 439 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 38
Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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Architecture	Constant Frequency Current Mode
Demo Boards	DC1352A-B
Design Tools	LTspice File,LTpowerCAD File
Export Control	no
Features	DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good, PolyPhase
Frequency	900 kHz
Frequency Adjust Range	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz
Integrated Inductor	no
Ishutdown	8 µA
Isupply	0.17 mA
Max Phases	2
Monolithic	no
Number of Outputs	2
Operating Temperature Range	-40 to 85 °C
Output Current	25 A
Output Current 2	25 A
Polyphase	yes
Sense Resistor	Rsense, DCR
Switch Current	25 A
Switch Current 2	25 A
Synchronous	yes
Topology	Buck
Topology 1	Buck
Topology 2	Buck
Vin Max	38 V
Vin Min	4 V
Vout Max	24 V
Vout Maximum	24V
Vout Min	0.8 V
Vout Min 2	.8 V
Vref Accuracy Over Temp	1 %

RoHS

Obediente

Serie: LTC3858-1 (8)

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers

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