LTC3892IUH-2#TRPBF

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Analog Devices

60V LOW IQ, DUAL, 2-PHASE SYNCHRONOUS STEP-DOWN DC/DC CONTROLLER

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LTC3892IUH-2#TRPBF

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Analog Devices

60V LOW IQ, DUAL, 2-PHASE SYNCHRONOUS STEP-DOWN DC/DC CONTROLLER

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DocumentsBipolar, Single Output, Adjustable Power Supplies Overcoming Constraints +2

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC3892IUH-2#TRPBF

Clock Sync	False
Control Features	Power Good, Soft Start, Tracking, Frequency Control, Enable, Current Limit
Duty Cycle (Max) [Max]	99 %
Frequency - Switching [Max]	535 kHz, 835 kHz
Frequency - Switching [Min]	350 kHz, 105 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Supplier Device Package	32-QFN (5x5)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	60 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

LTC3892 Series

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

Part	Package / Case	Package / Case [custom]	Package / Case [x]	Mounting Type	Duty Cycle (Max) [Max]	Frequency - Switching [Max]	Frequency - Switching [Min]	Output Phases	Output Configuration	Function	Number of Outputs	Output Type	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Supplier Device Package	Topology	Control Features
Analog Devices LTC3892MPFE-1#PBF	28-TSSOP Exposed Pad	4.4 mm	0.173 in	Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-55 °C	150 °C	4.5 V	60 V	28-TSSOP-EP	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892EUH-2#PBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-40 °C	125 ¯C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892IUH-2#PBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-40 °C	125 ¯C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892IUH-2#TRPBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-40 °C	125 ¯C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892MPUH-2#TRPBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-55 °C	150 °C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892IUH#PBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-40 °C	125 ¯C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892HUH-2#TRPBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-40 °C	150 °C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892MPUH#PBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-55 °C	150 °C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking
Analog Devices LTC3892MPUH#TRPBF				Surface Mount	99 %	535 kHz 835 kHz	105 kHz 350 kHz	2	Positive	Step-Down	2	Transistor Driver	-55 °C	150 °C	4.5 V	60 V	32-QFN (5x5)	Buck	Current Limit Enable Frequency Control Power Good Soft Start Tracking

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 8.24

Description

General part information

LTC3892 Series

The LTC3892/LTC3892-1/LTC3892-2 is a high performance dual step-down DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. Power loss and noise are minimized by operating the two controller output stages out-of-phase.The gate drive voltage can be programmed from 5V to 10V to allow the use of logic or standard-level FETs and to maximize efficiency. Internal switches in the top gate drivers eliminate the need for external bootstrap diodes.A wide 4.5V to 60V input supply range encompasses a wide range of intermediate bus voltages and battery chemistries. Output voltages up to 99% of VINcan be regulated. OPTI-LOOP®compensation allows the transient response and loop stability to be optimized over a wide range of output capacitance and ESR values.The 29μA no-load quiescent current extends operating run time in battery powered systems.ApplicationsAutomotive and Industrial Power SystemsDistributed DC Power SystemsHigh Voltage Battery Operated Systems

LTC3892IUH-2#TRPBF

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LTC3892IUH-2#TRPBF

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Technical Specifications

LTC3892 Series

Pricing

Description

LTC3892 Series

Documents

Bipolar, Single Output, Adjustable Power Supplies

Overcoming Constraints

Tape and Reel Packaging

R526 Reliability Data

LTC3892 Series