Datasheet Linear Technology LTC7851IUHH-1#PBF

Quad Output, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing

Datasheets

PDF, 2.1 Mb, File uploaded: Sep 24, 2017

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Architecture	Constant Frequency Voltage Mode
Demo Boards	DC2380A-A,DC2380A-B,DC2380A-C
Design Tools	LTspice Model,LTpowerCAD File
Export Control	no
Features	PolyPhase, External Synchronization, Resistor Set Frequency, Differential Remote Sense, DCR Current Sense
Frequency	2250 kHz
Frequency Adjust Range	250kHz - 2.25MHz
Frequency Sync Range	250kHz - 2.25MHz
Integrated Inductor	no
Ishutdown	100 µA
Isupply	60 mA
Max Phases	4
Monolithic	no
Number of Outputs	4
Operating Temperature Range	-40 to 85 °C
Output Current	30 A
Output Current 2	30 A
Output Current 3	30 A
Polyphase	yes
Sense Resistor	Rsense, DCR
Switch Current	30 A
Switch Current 2	30 A
Switch Current 3	30 A
Synchronous	yes
Topology	Buck
Topology 1	Buck
Topology 2	Buck
Topology 3	Buck
Vin Max	5.5 V
Vin Min	3 V
Vout Max	5 V
Vout Max 2	5 V
Vout Max 3	5 V
Vout Maximum	5V
Vout Min	0.6 V
Vout Min 2	0.6 V
Vout Min 3	0.6 V
Vref Accuracy Over Temp	0.75 %

RoHS

Compliant

Series: LTC7851 (8)

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

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