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60V Low I _Q , Dual, 2-Phase Synchronous Step-Down DC / DC Controller

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PDF, 898 Kb, Idioma: en, Archivo subido: sept 24, 2017, Páginas: 36
60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

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Architecture	Constant Frequency Current Mode
Demo Boards	DC1244A,DC2299A-B
Design Tools	LTspice File,LTpowerCAD File
Export Control	no
Features	Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhase
Frequency	900 kHz
Frequency Adjust Range	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz
Integrated Inductor	no
Ishutdown	14 µA
Isupply	0.06 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 %

RoHS

Obediente

Serie: LTC3890-1 (8)

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

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