Integrated Circuits (ICs)

LT8610ABIMSE-5#PBF

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Analog Devices Inc./Maxim Integrated

42V, 3.5A SYNCHRONOUS STEP-DOWN REGULATOR WITH 2.5ΜA QUIESCENT CURRENT

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Integrated Circuits (ICs)

LT8610ABIMSE-5#PBF

Active

Analog Devices Inc./Maxim Integrated

42V, 3.5A SYNCHRONOUS STEP-DOWN REGULATOR WITH 2.5ΜA QUIESCENT CURRENT

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DocumentsDatasheet R570 Reliability Data

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT8610ABIMSE-5#PBF

Current - Output	3.5 A
Frequency - Switching [Max]	2.2 MHz
Frequency - Switching [Min]	200 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Package / Case	Exposed Pad, 16-TFSOP
Package / Case	3 mm, 0.118 in
Supplier Device Package	16-MSOP-EP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	42 V
Voltage - Input (Min) [Min]	3.4 V
Voltage - Output (Min/Fixed)	5 V

LT8610ALT8610AB Series

42V, 3.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current

Part	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Output Configuration	Function	Output Type	Voltage - Output (Max) [Max]	Supplier Device Package	Number of Outputs	Voltage - Output (Min/Fixed) [Min]	Current - Output	Frequency - Switching [Min]	Frequency - Switching [Max]	Package / Case	Package / Case	Voltage - Input (Min) [Min]	Voltage - Input (Max) [Max]	Topology	Voltage - Output (Min/Fixed)
Analog Devices Inc./Maxim Integrated LT8610AHMSE#PBF	-40 °C	150 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610AHMSE#TRPBF	-40 °C	150 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610ABIMSE#TRPBF	-40 C	125 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610ABIMSE-5#PBF	-40 C	125 °C	Surface Mount	Positive	Step-Down			16-MSOP-EP	1		3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck	5 V
Analog Devices Inc./Maxim Integrated LT8610AHMSE-5#TRPBF	-40 °C	150 °C	Surface Mount	Positive	Step-Down			16-MSOP-EP	1		3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck	5 V
Analog Devices Inc./Maxim Integrated LT8610AIMSE-5#TRPBF	-40 C	125 °C	Surface Mount	Positive	Step-Down			16-MSOP-EP	1		3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck	5 V
Analog Devices Inc./Maxim Integrated LT8610ABHMSE#TRPBF	-40 °C	150 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.24 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610AEMSE#TRPBF	-40 C	125 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610AIMSE#TRPBF	-40 C	125 °C	Surface Mount	Positive	Step-Down	Adjustable	42 V	16-MSOP-EP	1	0.97 V	3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck
Analog Devices Inc./Maxim Integrated LT8610AEMSE-3.3#TRPBF	-40 C	125 °C	Surface Mount	Positive	Step-Down			16-MSOP-EP	1		3.5 A	200 kHz	2.2 MHz	16-TFSOP Exposed Pad	0.118 in 3 mm	3.4 V	42 V	Buck	3.3 V

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	315	$ 10.61	1m+
	Tube	1	$ 10.61	1m+
		10	$ 7.30
		37	$ 6.16
Mouser	N/A	1	$ 9.99	1m+
		10	$ 6.88
		25	$ 6.17
		111	$ 6.16

Description

General part information

LT8610ALT8610AB Series

The LT8610A/LT8610AB series are compact, high efficiency, high speed synchronous monolithic step-down switching regulators that consume only 2.5μA of quiescent current. Compared to the LT8610, they have higher maximum output currents of 3.5A and a faster minimum switch-on time of 30ns. The LT8610A has the same low ripple burst mode performance of the LT8610, while the LT8610AB has even higher light load efficiency.The other features of the LT8610 remain unchanged in the LT8610A/LT8610AB series. A SYNC pin allows synchronization to an external clock. The EN/UV pin has an accurate 1V threshold for VINundervoltage lockout or shut down. A capacitor on the TR/SS pin programs the output voltage ramp rate during startup. The PG flag signals when VOUTis within ±9% of the programmed output voltage as well as fault conditions.FEEDBACK VOLTAGEMIN VINOUTPUT CURRENTNOTESLT8610AC-10.80V3.0V3.5AFsw = 1.5MHz to 2.2MHz, Optimized Transient ResponseLT8610AC0.80V3.0V3.5AFsw = 200kHz to 2.2MHzLT8610AB0.97V3.4V3.5AImproved Burst Mode EfficiencyLT8610AX0.97V3.4V3.5A175°C Max Junction TempLT8610A0.97V3.4V3.5AHigher Iout, 30ns Min On TimeLT86100.97V3.4V2.5A-ApplicationsAutomotive and Industrial SuppliesGSM Power Supplies