Datasheet Linear Technology LT3970

Manufacturer	Linear Technology
Series	LT3970

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

Datasheets

Preview and Download

PDF, 330 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 22
40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

Extract from the document

Prices

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-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	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-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF
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
Package	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	3x2 DFN-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing
Package Code	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	MS	MS	MS	MS	MS	MS	MS	MS	MS	MS	MS	MS	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	DDB	MS	MS	MS	MS	MS	MS
Package Index	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	05-08-1722	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
Pin Count	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

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-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	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-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A	DC1566A
Design Tools	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model
Export Control	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
Features	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good	Burst Mode, Resistor Set Frequency, Power Good
Frequency, kHz	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200	2200
Frequency Adjust Range	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz	200kHz - 2.2MHz
Integrated Inductor	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
Ishutdown, µA	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7
Isupply, mA	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017	0.0017
Max Phases	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
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
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
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35	0.35
Polyphase	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
Switch Current, A	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7
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
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
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
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
Vout Max, V	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Vout Maximum	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V	25V
Vout Min, V	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21	1.21
Vref Accuracy Over Temp, %	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2

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-3.3#PBF	LT3970EMS-3.3#TRPBF	LT3970EMS-5#PBF	LT3970EMS-5#TRPBF	LT3970HMS#PBF	LT3970HMS#TRPBF	LT3970HMS-3.3#PBF	LT3970HMS-3.3#TRPBF	LT3970HMS-5#PBF	LT3970HMS-5#TRPBF	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-3.3#PBF	LT3970IMS-3.3#TRPBF	LT3970IMS-5#PBF	LT3970IMS-5#TRPBF
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

Model Line

Series: LT3970 (39)

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-3.3#PBF LT3970EMS-3.3#TRPBF LT3970EMS-5#PBF LT3970EMS-5#TRPBF LT3970HMS#PBF LT3970HMS#TRPBF LT3970HMS-3.3#PBF LT3970HMS-3.3#TRPBF LT3970HMS-5#PBF LT3970HMS-5#TRPBF 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-3.3#PBF LT3970IMS-3.3#TRPBF LT3970IMS-5#PBF LT3970IMS-5#TRPBF

Manufacturer's Classification

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | High Input Voltage Buck | Micropower Buck Regulators
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators