Specification	LTC3839EUH#TRPBF

Clock Sync	False
Control Features	Soft Start, Enable, Power Good, Tracking, Frequency Control, Phase Control
Frequency - Switching [Max]	2 MHz
Frequency - Switching [Min]	200 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]	38 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

LTC3839 Series

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Function	Output Configuration	Output Phases	Output Type	Control Features	Frequency - Switching [Min]	Frequency - Switching [Max]	Mounting Type	Operating Temperature [Min]	Operating Temperature [Max]	Number of Outputs	Supplier Device Package	Topology
Analog Devices Inc./Maxim Integrated LTC3839EUH#PBF	4.5 V	38 V	Step-Down	Positive	2	Transistor Driver	Enable Frequency Control Phase Control Power Good Soft Start Tracking	200 kHz	2 MHz	Surface Mount	-40 C	125 °C	2	32-QFN (5x5)	Buck
Analog Devices Inc./Maxim Integrated LTC3839IUH#TRPBF	4.5 V	38 V	Step-Down	Positive	2	Transistor Driver	Enable Frequency Control Phase Control Power Good Soft Start Tracking	200 kHz	2 MHz	Surface Mount	-40 C	125 °C	2	32-QFN (5x5)	Buck
Analog Devices Inc./Maxim Integrated LTC3839EUH#TRPBF	4.5 V	38 V	Step-Down	Positive	2	Transistor Driver	Enable Frequency Control Phase Control Power Good Soft Start Tracking	200 kHz	2 MHz	Surface Mount	-40 C	125 °C	2	32-QFN (5x5)	Buck
Analog Devices Inc./Maxim Integrated LTC3839IUH#PBF	4.5 V	38 V	Step-Down	Positive	2	Transistor Driver	Enable Frequency Control Phase Control Power Good Soft Start Tracking	200 kHz	2 MHz	Surface Mount	-40 C	125 °C	2	32-QFN (5x5)	Buck

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	N/A	0	$ 4.76	1m+

Description

General part information

LTC3839 Series

The LTC3839 is a 2-phase, single-output PolyPhase®synchronous step-down switching regulator controller that drives all N-channel power MOSFETs. The controlled on-time, valley current mode control architecture allows for fast transient response and constant frequency switching in steady-state operation, independent of VIN, VOUTand load current. Its load-release transient detection feature significantly reduces overshoot at low output voltages.Differential output voltage sensing, along with a precision internal reference, offers an accurate ±0.67% output regulation, even if the remote output ground deviates from local ground by ±500mV.The switching frequency can be programmed from 200kHz to 2MHz with an external resistor and can be synchronized to an external clock. Very low tONand tOFFtimes allow for near 0% and near 100% duty cycles, respectively. Voltage tracking soft start-up and multiple safety features are provided.ApplicationsDistributed Power SystemsPoint-of-Load ConvertersComputing SystemsData Communication Systems

Documents

Technical documentation and resources

LTC3839EUH#TRPBF | Datasheet

Datasheet

R526 Reliability Data

Reliability Data