Datasheet Linear Technology LT3970 — 数据表

制造商	Linear Technology
系列	LT3970

具有2.5µA静态电流和集成二极管的40V，350mA降压稳压器

数据表

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PDF, 330 Kb, 语言: en, 文件上传: Sep 19, 2017, 页数: 22
40V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

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价格

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	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 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	3x2 DFN-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图	MS-10 包装外形图
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

参数化

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

生态计划

	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

模型线

系列: 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

制造商分类

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