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LTC3855EFE#PBF +BOM

Dual, Multiphase Synchronous DC/DC Controller with Differential Remote Sense

Hersteller:

Analog Devices, Inc
Herstellerteil #:

LTC3855EFE#PBF
Datenblatt:

LTC3855EFE#PBF Datenblatt (PDF)
PackingQty:

Tube,50
PackingOption:

Tube
TempRange:

-40 to 125C
Output Voltage:

600 mV to 12.5 V
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an LTC3855EFE#PBF

LTC3855EFE#PBF Allgemeine Beschreibung

The LTC3855EFE#PBF is a versatile dual PolyPhase^® current mode synchronous step-down switching regulator controller designed to drive all N-channel power MOSFET stages with precision and efficiency. With its high speed differential remote sense amplifier, this controller ensures accurate voltage regulation and reliable performance in a range of applications. What sets this product apart is its programmable maximum current sense voltage, which can be set to 30mV, 50mV, or 75mV, allowing for flexibility in selecting the sensing element, whether it be the inductor DCR or a discrete sense resistor. This level of adaptability makes the LTC3855EFE#PBF a practical choice for power management designs that demand precision and customization

Hauptmerkmale

Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
High Efficiency: Up to 95%
R_SENSE or DCR Current Sensing
Programmable DCR Temperature Compensation
±0.75% 0.6V Output Voltage Accuracy
Phase-Lockable Fixed Frequency 250kHz to 770kHz
True Remote Sensing Differential Amplifier
Dual N-Channel MOSFET Synchronous Drive
Wide V_IN Range: 4.5V to 38V
V_OUT Range: 0.6V to 12.5V without Differential Amplifier
V_OUT Range: 0.6V to 3.3V with Differential Amplifier
Clock Input and Output for Up to 12-Phase Operation
Adjustable Soft-Start or V_OUT Tracking
Foldback Output Current Limiting
Output Overvoltage Protection
40-Pin (6mm × 6mm) QFN and 38-Lead FE Packages

Anwendung

Computer Systems
Telecom Systems
Industrial and Medical Instruments
DC Power Distribution Systems

Spezifikationen

model	LTC3855EFE#PBF	packingQty	Tube,50
packingOption	Tube	lifeCycle	production
tempRange	-40 to 125C	Product Category	Switching Voltage Regulators
Output Voltage	600 mV to 12.5 V	Output Current	30 A
Input Voltage, Max	38 V	Number of Outputs	2 Output
Topology	Buck	Mounting Style	SMD/SMT
Switching Frequency	770 kHz	Quiescent Current	30 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LTC3855	Input Voltage, Min	4.5 V
Development Kit	DC1441A, DC1586A, DC1617A-A, DC1617A-B	Input Voltage	4.5 V to 38 V
Load Regulation	0.01 %	Operating Supply Current	3.5 mA
Product Type	Switching Voltage Regulators	Shutdown	Shutdown
Factory Pack Quantity	50	Subcategory	PMIC - Power Management ICs
Type	Multiphase Synchronous DC/DC Controller with Differential Remote Sense	Unit Weight	0.003313 oz

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Verpackung

AVAQ bestimmt und verpackt alle Geräte auf der Grundlage der Schutzanforderungen gegen elektrostatische Entladung (ESD) und Feuchtigkeitsempfindlichkeit (MSL)..