Datasheet Linear Technology LTC3868IGN-1#TRPBF — Datenblatt

Low I _Q , doppelter synchroner 2-Phasen-Abwärtsregler

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PDF, 475 Kb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 38
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, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good
Frequency	850 kHz
Frequency Adjust Range	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz
Integrated Inductor	no
Ishutdown	0.01 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	24 V
Vin Min	4 V
Vout Max	14 V
Vout Maximum	14V
Vout Min	0.8 V
Vout Min 2	.8 V
Vref Accuracy Over Temp	1.5 %

RoHS

Compliant

Serie: LTC3868-1 (8)

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

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