LTC3892MPUH-2#TRPBF

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Analog Devices Inc./Maxim Integrated

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

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LTC3892MPUH-2#TRPBF

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Analog Devices Inc./Maxim Integrated

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

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Description Specifications Series Pricing CAD Documents

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

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3892MPUH-2#TRPBF

Clock Sync	No
Control Features	Power Good, Soft Start, Frequency Control, Current Limit, Enable, Tracking
Duty Cycle (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)	150 °C
Operating Temperature (Min)	-55 °C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Package / Case	32-WFQFN Exposed Pad
Package Length	5 mm
Package Name	32-QFN
Package Width	5 mm
Synchronous Rectifier	Yes
Topology	Buck
Voltage - Supply (Vcc/Vdd) Maximum	60 V
Voltage - Supply (Vcc/Vdd) Minimum	4.5 V

LTC3892 Series

Part	Duty Cycle (Max)	Synchronous Rectifier	Topology	Function	Package Width	Package Name	Package Features	Package Length	Mounting Type	Number of Outputs	Output Phases	Frequency - Switching (Max)	Frequency - Switching (Min)	Operating Temperature (Max)	Operating Temperature (Min)	Control Features	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Output Type	Output Configuration	Clock Sync	Package / Case
Analog Devices Inc./Maxim Integrated LTC3892IFE-1#PBF	99 %	Yes	Buck	Step-Down	4.4 mm	28-TSSOP 28-TSSOP-EP	Exposed Pad	0.173 in	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No
Analog Devices Inc./Maxim Integrated LTC3892HUH#TRPBF	99 %	Yes	Buck	Step-Down	5 mm	32-QFN		5 mm	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	150 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No	32-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3892MPFE-1#PBF	99 %	Yes	Buck	Step-Down	4.4 mm	28-TSSOP 28-TSSOP-EP	Exposed Pad	0.173 in	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	150 °C	-55 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No
Analog Devices Inc./Maxim Integrated LTC3892EUH#PBF	99 %	Yes	Buck	Step-Down	5 mm	32-QFN		5 mm	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No	32-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3892EUH-2#PBF	99 %	Yes	Buck	Step-Down	5 mm	32-QFN		5 mm	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No	32-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3892EUH-2#TRPBF	99 %	Yes	Buck	Step-Down	5 mm	32-QFN		5 mm	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No	32-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3892MPFE-1#TRPBF	99 %	Yes	Buck	Step-Down	4.4 mm	28-TSSOP 28-TSSOP-EP	Exposed Pad	0.173 in	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	150 °C	-55 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No
Analog Devices Inc./Maxim Integrated LTC3892HFE-1#PBF	99 %	Yes	Buck	Step-Down	4.4 mm	28-TSSOP 28-TSSOP-EP	Exposed Pad	0.173 in	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	150 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No
Analog Devices Inc./Maxim Integrated LTC3892IUH-2#PBF	99 %	Yes	Buck	Step-Down	5 mm	32-QFN		5 mm	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No	32-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3892EFE-1#PBF	99 %	Yes	Buck	Step-Down	4.4 mm	28-TSSOP 28-TSSOP-EP	Exposed Pad	0.173 in	Surface Mount	2	2	535 kHz 835 kHz	105 kHz 350 kHz	125 °C	-40 °C	Current Limit Enable Frequency Control Power Good Soft Start Tracking	4.5 V	60 V	Transistor Driver	Positive	No

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

R526 Reliability Data

LTC3892MPUH-2#TRPBF | Datasheet

Bipolar, Single Output, Adjustable Power Supplies

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