LTC3835EDHC-1#PBF

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Analog Devices

LOW IQSYNCHRONOUS STEP-DOWN CONTROLLER

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LTC3835EDHC-1#PBF

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Analog Devices

LOW IQSYNCHRONOUS STEP-DOWN CONTROLLER

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DocumentsDatasheet R384 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3835EDHC-1#PBF

Clock Sync	False
Control Features	Soft Start, Enable, Tracking
Duty Cycle (Max) [Max]	99.4 %
Frequency - Switching [Max]	530 kHz
Frequency - Switching [Min]	250 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	16-WFDFN Exposed Pad
Supplier Device Package	16-DFN (5x3)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	36 V
Voltage - Supply (Vcc/Vdd) [Min]	4 V

LTC3835-1 Series

Low IQSynchronous Step-Down Controller

Part	Duty Cycle (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Number of Outputs	Function	Control Features	Output Configuration	Output Type	Supplier Device Package	Frequency - Switching [Min]	Frequency - Switching [Max]	Package / Case	Topology	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Phases	Mounting Type	Package / Case	Package / Case
Analog Devices LTC3835IDHC-1#PBF	99.4 %	85 °C	-40 °C	1	Step-Down	Enable Soft Start Tracking	Positive	Transistor Driver	16-DFN (5x3)	250 kHz	530 kHz	16-WFDFN Exposed Pad	Buck	4 V	36 V	1	Surface Mount
Analog Devices LTC3835EDHC-1#PBF	99.4 %	85 °C	-40 °C	1	Step-Down	Enable Soft Start Tracking	Positive	Transistor Driver	16-DFN (5x3)	250 kHz	530 kHz	16-WFDFN Exposed Pad	Buck	4 V	36 V	1	Surface Mount
Analog Devices LTC3835IDHC-1#TRPBF	99.4 %	85 °C	-40 °C	1	Step-Down	Enable Soft Start Tracking	Positive	Transistor Driver	16-DFN (5x3)	250 kHz	530 kHz	16-WFDFN Exposed Pad	Buck	4 V	36 V	1	Surface Mount
Analog Devices LTC3835IGN-1#TRPBF	99.4 %	85 °C	-40 °C	1	Step-Down	Enable Soft Start Tracking	Positive	Transistor Driver	16-SSOP	250 kHz	530 kHz	16-SSOP	Buck	4 V	36 V	1	Surface Mount	0.154 in	3.9 mm

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	$ 11.21
		10	$ 7.85
		25	$ 6.98
		100	$ 6.01
		250	$ 5.55
		500	$ 5.26
		1000	$ 5.02

Description

General part information

LTC3835-1 Series

The LTC3835-1 is a high performance step-down switching regulator controller that drives an all N-channel synchronous power MOSFET stage. A constant-frequency current mode architecture allows a phase-lockable frequency of up to 650kHz.The 80µA no-load quiescent current extends operating life in battery powered systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3835-1 features a precision 0.8V reference and a power good output indicator. The 4V to 36V input supply range encompasses a wide range of battery chemistries.The TRACK/SS pin ramps the output voltage during startup. Current foldback limits MOSFET heat dissipation during short-circuit conditions.CLKOUT/PHASMDEXTVCCPGOODPackageLTC3835YesYesYesTSSOP-20, 4x5 QFN-20LTC3835-1NoNoNoGN-16, 3x5 DFN-16ApplicationsAutomotive SystemsTelecom SystemsBattery-Operated Digital DevicesDistributed DC Power Systems