LTC3773EUHF#PBF

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Analog Devices

TRIPLE OUTPUT SYNCHRONOUS 3-PHASE DC/DC CONTROLLER WITH UP/DOWN TRACKING

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LTC3773EUHF#PBF

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Analog Devices

TRIPLE OUTPUT SYNCHRONOUS 3-PHASE DC/DC CONTROLLER WITH UP/DOWN TRACKING

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3773EUHF#PBF

Clock Sync	False
Control Features	Enable, Power Good, Tracking
Duty Cycle (Max) [Max]	98.5 %
Frequency - Switching [Max]	560 kHz
Frequency - Switching [Min]	220 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	3
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	3
Output Type	Transistor Driver
Package / Case	38-WFQFN Exposed Pad
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	36 V
Voltage - Supply (Vcc/Vdd) [Min]	3.3 V

LTC3773 Series

Triple Output Synchronous 3-Phase DC/DC Controller with Up/Down Tracking

Part	Output Configuration	Number of Outputs	Output Type	Output Phases	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Function	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Control Features	Mounting Type	Package / Case [x]	Package / Case	Duty Cycle (Max) [Max]	Supplier Device Package	Frequency - Switching [Min]	Frequency - Switching [Max]
Analog Devices LTC3773EG#TRPBF	Positive	3	Transistor Driver	3	85 °C	-40 °C	Buck	Step-Down	3.3 V	36 V	Enable Power Good Tracking	Surface Mount	0.209 " 5.3 mm	36-SSOP	98.5 %	36-SSOP	220 kHz	560 kHz
Analog Devices LTC3773EUHF#PBF	Positive	3	Transistor Driver	3	85 °C	-40 °C	Buck	Step-Down	3.3 V	36 V	Enable Power Good Tracking	Surface Mount		38-WFQFN Exposed Pad	98.5 %		220 kHz	560 kHz
Analog Devices LTC3773EUHF	Positive	3	Transistor Driver	3	85 °C	-40 °C	Buck	Step-Down	3.3 V	36 V	Enable Power Good Tracking	Surface Mount		38-WFQFN Exposed Pad	98.5 %		220 kHz	560 kHz
Analog Devices LTC3773EUHF#TRPBF	Positive	3	Transistor Driver	3	85 °C	-40 °C	Buck	Step-Down	3.3 V	36 V	Enable Power Good Tracking	Surface Mount		38-WFQFN Exposed Pad	98.5 %		220 kHz	560 kHz

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 12.76
		10	$ 9.01
		25	$ 8.04
		100	$ 6.96
		250	$ 6.44
		500	$ 6.12
		1000	$ 5.90

Description

General part information

LTC3773 Series

The LTC3773 is a high performance, 3-phase, triple output synchronous step-down switching regulator controller with output voltage power up/down tracking capability. The controller allows for sequential, coincident or ratiometric tracking.This 3-phase controller drives its output stages with 120° phase separation at frequencies of up to 700kHz per phase minimizing the RMS input current. Light load efficiency can be maximized by using selectable Burst Mode operation. The 0.6V precision reference supports output voltages from 0.6V to 5V.Fault protection features include output overvoltage, input undervoltage lockout plus current foldback under short-circuit or overload conditions.ApplicationsServers, Telecom, Industrial Power SuppliesGeneral Purpose Multiple Rail DC/DCFPGA and DSP Requirements