Datasheet Linear Technology LTC3858EUH-2#TRPBF — Ficha de datos

Controlador reductor síncrono dual de 2 fases I _Q bajo

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PDF, 448 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 40
Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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Architecture	Constant Frequency Current Mode
Design Tools	LTspice Model,LTpowerCAD Model
Export Control	no
Features	Burst Mode, Tracking, Resistor Set Frequency, External Synchronization, DCR Current Sense, Anti-Phase Switching, Power Good
Frequency	900 kHz
Frequency Adjust Range	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz
Integrated Inductor	no
Ishutdown	8 µA
Isupply	0.4 mA
Max Phases	2
Monolithic	no
Number of Outputs	2
Operating Temperature Range	0 to 85 °C
Output Current	20 A
Output Current 2	20 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	0.8 V
Vref Accuracy Over Temp	1 %

RoHS

Obediente

Serie: LTC3858-2 (4)

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

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