Datasheet Analog Devices LT3970 Series

Manufacturer	Analog Devices
Series	LT3970 Series

40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

Datasheets

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40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

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40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

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Prices

Status

	LT3970EDDB#PBF	LT3970EDDB#TRMPBF	LT3970EDDB#TRPBF	LT3970EDDB-3.3#PBF	LT3970EDDB-3.3#TRMPBF	LT3970EDDB-3.3#TRPBF	LT3970EDDB-3.42#PBF	LT3970EDDB-3.42#TRMPBF	LT3970EDDB-3.42#TRPBF	LT3970EDDB-5#PBF	LT3970EDDB-5#TRMPBF	LT3970EDDB-5#TRPBF	LT3970EMS#PBF	LT3970EMS#TRPBF	LT3970EMS#WPBF	LT3970EMS#WTRPBF	LT3970EMS-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-3.3#WPBF	LT3970EMS-3.3#WTRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970EMS-5#WPBF	LT3970EMS-5#WTRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS#WPBF	LT3970HMS#WTRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-3.3#WPBF	LT3970HMS-3.3#WTRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	LT3970HMS-5#WPBF	LT3970HMS-5#WTRPBF	LT3970IDDB#PBF	LT3970IDDB#TRMPBF	LT3970IDDB#TRPBF	LT3970IDDB-3.3#PBF	LT3970IDDB-3.3#TRMPBF	LT3970IDDB-3.3#TRPBF	LT3970IDDB-5#PBF	LT3970IDDB-5#TRMPBF	LT3970IDDB-5#TRPBF	LT3970IMS#PBF	LT3970IMS#TRPBF	LT3970IMS#WPBF	LT3970IMS#WTRPBF	LT3970IMS-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-3.3#WPBF	LT3970IMS-3.3#WTRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF	LT3970IMS-5#WPBF	LT3970IMS-5#WTRPBF
Lifecycle Status	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)	Production (Appropriate for new designs but newer alternatives may exist)

Packaging

	LT3970EDDB#PBF	LT3970EDDB#TRMPBF	LT3970EDDB#TRPBF	LT3970EDDB-3.3#PBF	LT3970EDDB-3.3#TRMPBF	LT3970EDDB-3.3#TRPBF	LT3970EDDB-3.42#PBF	LT3970EDDB-3.42#TRMPBF	LT3970EDDB-3.42#TRPBF	LT3970EDDB-5#PBF	LT3970EDDB-5#TRMPBF	LT3970EDDB-5#TRPBF	LT3970EMS#PBF	LT3970EMS#TRPBF	LT3970EMS#WPBF	LT3970EMS#WTRPBF	LT3970EMS-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-3.3#WPBF	LT3970EMS-3.3#WTRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970EMS-5#WPBF	LT3970EMS-5#WTRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS#WPBF	LT3970HMS#WTRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-3.3#WPBF	LT3970HMS-3.3#WTRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	LT3970HMS-5#WPBF	LT3970HMS-5#WTRPBF	LT3970IDDB#PBF	LT3970IDDB#TRMPBF	LT3970IDDB#TRPBF	LT3970IDDB-3.3#PBF	LT3970IDDB-3.3#TRMPBF	LT3970IDDB-3.3#TRPBF	LT3970IDDB-5#PBF	LT3970IDDB-5#TRMPBF	LT3970IDDB-5#TRPBF	LT3970IMS#PBF	LT3970IMS#TRPBF	LT3970IMS#WPBF	LT3970IMS#WTRPBF	LT3970IMS-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-3.3#WPBF	LT3970IMS-3.3#WTRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF	LT3970IMS-5#WPBF	LT3970IMS-5#WTRPBF
N	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57
Package	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10 ld DFN (3x2 w/2.39x0.64mm EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead DFN (3mm x 2mm w/ EP)	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP	10-Lead MSOP
Pins	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Package Code	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1722	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661	05-08-1661

Parametrics

Parameters / Models	LT3970EDDB#PBF	LT3970EDDB#TRMPBF	LT3970EDDB#TRPBF	LT3970EDDB-3.3#PBF	LT3970EDDB-3.3#TRMPBF	LT3970EDDB-3.3#TRPBF	LT3970EDDB-3.42#PBF	LT3970EDDB-3.42#TRMPBF	LT3970EDDB-3.42#TRPBF	LT3970EDDB-5#PBF	LT3970EDDB-5#TRMPBF	LT3970EDDB-5#TRPBF	LT3970EMS#PBF	LT3970EMS#TRPBF	LT3970EMS#WPBF	LT3970EMS#WTRPBF	LT3970EMS-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-3.3#WPBF	LT3970EMS-3.3#WTRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970EMS-5#WPBF	LT3970EMS-5#WTRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS#WPBF	LT3970HMS#WTRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-3.3#WPBF	LT3970HMS-3.3#WTRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	LT3970HMS-5#WPBF	LT3970HMS-5#WTRPBF	LT3970IDDB#PBF	LT3970IDDB#TRMPBF	LT3970IDDB#TRPBF	LT3970IDDB-3.3#PBF	LT3970IDDB-3.3#TRMPBF	LT3970IDDB-3.3#TRPBF	LT3970IDDB-5#PBF	LT3970IDDB-5#TRMPBF	LT3970IDDB-5#TRPBF	LT3970IMS#PBF	LT3970IMS#TRPBF	LT3970IMS#WPBF	LT3970IMS#WTRPBF	LT3970IMS-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-3.3#WPBF	LT3970IMS-3.3#WTRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF	LT3970IMS-5#WPBF	LT3970IMS-5#WTRPBF
Monolithic		Yes	Yes		Yes	Yes		Yes	Yes		Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes		Yes	Yes		Yes	Yes		Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Number of Outputs	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 150	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Output Current(typ), A	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m	350m
Synchronous	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Vin(max), V	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40
Vin(min), V	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
Vout Min(typ), V	1.21			1.21			1.21			1.21																											1.21			1.21			1.21

Eco Plan

	LT3970EDDB#PBF	LT3970EDDB#TRMPBF	LT3970EDDB#TRPBF	LT3970EDDB-3.3#PBF	LT3970EDDB-3.3#TRMPBF	LT3970EDDB-3.3#TRPBF	LT3970EDDB-3.42#PBF	LT3970EDDB-3.42#TRMPBF	LT3970EDDB-3.42#TRPBF	LT3970EDDB-5#PBF	LT3970EDDB-5#TRMPBF	LT3970EDDB-5#TRPBF	LT3970EMS#PBF	LT3970EMS#TRPBF	LT3970EMS#WPBF	LT3970EMS#WTRPBF	LT3970EMS-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-3.3#WPBF	LT3970EMS-3.3#WTRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970EMS-5#WPBF	LT3970EMS-5#WTRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS#WPBF	LT3970HMS#WTRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-3.3#WPBF	LT3970HMS-3.3#WTRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	LT3970HMS-5#WPBF	LT3970HMS-5#WTRPBF	LT3970IDDB#PBF	LT3970IDDB#TRMPBF	LT3970IDDB#TRPBF	LT3970IDDB-3.3#PBF	LT3970IDDB-3.3#TRMPBF	LT3970IDDB-3.3#TRPBF	LT3970IDDB-5#PBF	LT3970IDDB-5#TRMPBF	LT3970IDDB-5#TRPBF	LT3970IMS#PBF	LT3970IMS#TRPBF	LT3970IMS#WPBF	LT3970IMS#WTRPBF	LT3970IMS-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-3.3#WPBF	LT3970IMS-3.3#WTRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF	LT3970IMS-5#WPBF	LT3970IMS-5#WTRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Model Line

Series: LT3970 Series (57)

LT3970EDDB#PBF LT3970EDDB#TRMPBF LT3970EDDB#TRPBF LT3970EDDB-3.3#PBF LT3970EDDB-3.3#TRMPBF LT3970EDDB-3.3#TRPBF LT3970EDDB-3.42#PBF LT3970EDDB-3.42#TRMPBF LT3970EDDB-3.42#TRPBF LT3970EDDB-5#PBF LT3970EDDB-5#TRMPBF LT3970EDDB-5#TRPBF LT3970EMS#PBF LT3970EMS#TRPBF LT3970EMS#WPBF LT3970EMS#WTRPBF LT3970EMS-3.3#PBF LT3970EMS-3.3#TRPBF LT3970EMS-3.3#WPBF LT3970EMS-3.3#WTRPBF LT3970EMS-5#PBF LT3970EMS-5#TRPBF LT3970EMS-5#WPBF LT3970EMS-5#WTRPBF LT3970HMS#PBF LT3970HMS#TRPBF LT3970HMS#WPBF LT3970HMS#WTRPBF LT3970HMS-3.3#PBF LT3970HMS-3.3#TRPBF LT3970HMS-3.3#WPBF LT3970HMS-3.3#WTRPBF LT3970HMS-5#PBF LT3970HMS-5#TRPBF LT3970HMS-5#WPBF LT3970HMS-5#WTRPBF LT3970IDDB#PBF LT3970IDDB#TRMPBF LT3970IDDB#TRPBF LT3970IDDB-3.3#PBF LT3970IDDB-3.3#TRMPBF LT3970IDDB-3.3#TRPBF LT3970IDDB-5#PBF LT3970IDDB-5#TRMPBF LT3970IDDB-5#TRPBF LT3970IMS#PBF LT3970IMS#TRPBF LT3970IMS#WPBF LT3970IMS#WTRPBF LT3970IMS-3.3#PBF LT3970IMS-3.3#TRPBF LT3970IMS-3.3#WPBF LT3970IMS-3.3#WTRPBF LT3970IMS-5#PBF LT3970IMS-5#TRPBF LT3970IMS-5#WPBF LT3970IMS-5#WTRPBF

Manufacturer's Classification

Power Management > Internal Power Switch Buck Regulators | High Input Voltage Buck Regulators | Micropower Buck Regulators