Datasheet Linear Technology LT3973 — 数据表

制造商	Linear Technology
系列	LT3973

具有2.5µA静态电流和集成二极管的42V，750mA降压稳压器

数据表

预览并下载

PDF, 479 Kb, 语言: en, 文件上传: Sep 19, 2017, 页数: 24
42V, 750mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes

从文件中提取

价格

打包

	LT3973EDD#PBF	LT3973EDD#TRPBF	LT3973EDD-3.3#PBF	LT3973EDD-3.3#TRPBF	LT3973EDD-5#PBF	LT3973EDD-5#TRPBF	LT3973EMSE#PBF	LT3973EMSE#TRPBF	LT3973EMSE-3.3#PBF	LT3973EMSE-3.3#TRPBF	LT3973EMSE-5#PBF	LT3973EMSE-5#TRPBF	LT3973HDD#PBF	LT3973HDD#TRPBF	LT3973HDD-3.3#PBF	LT3973HDD-3.3#TRPBF	LT3973HDD-5#PBF	LT3973HDD-5#TRPBF	LT3973HMSE#PBF	LT3973HMSE#TRPBF	LT3973HMSE-3.3#PBF	LT3973HMSE-3.3#TRPBF	LT3973HMSE-5#PBF	LT3973HMSE-5#TRPBF	LT3973IDD#PBF	LT3973IDD#TRPBF	LT3973IDD-3.3#PBF	LT3973IDD-3.3#TRPBF	LT3973IDD-5#PBF	LT3973IDD-5#TRPBF	LT3973IMSE#PBF	LT3973IMSE#TRPBF	LT3973IMSE-3.3#PBF	LT3973IMSE-3.3#TRPBF	LT3973IMSE-5#PBF	LT3973IMSE-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
Package	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图
Package Code	DD	DD	DD	DD	DD	DD	MSE	MSE	MSE	MSE	MSE	MSE	DD	DD	DD	DD	DD	DD	MSE	MSE	MSE	MSE	MSE	MSE	DD	DD	DD	DD	DD	DD	MSE	MSE	MSE	MSE	MSE	MSE
Package Index	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1699	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664	05-08-1664
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

参数化

Parameters / Models	LT3973EDD#PBF	LT3973EDD#TRPBF	LT3973EDD-3.3#PBF	LT3973EDD-3.3#TRPBF	LT3973EDD-5#PBF	LT3973EDD-5#TRPBF	LT3973EMSE#PBF	LT3973EMSE#TRPBF	LT3973EMSE-3.3#PBF	LT3973EMSE-3.3#TRPBF	LT3973EMSE-5#PBF	LT3973EMSE-5#TRPBF	LT3973HDD#PBF	LT3973HDD#TRPBF	LT3973HDD-3.3#PBF	LT3973HDD-3.3#TRPBF	LT3973HDD-5#PBF	LT3973HDD-5#TRPBF	LT3973HMSE#PBF	LT3973HMSE#TRPBF	LT3973HMSE-3.3#PBF	LT3973HMSE-3.3#TRPBF	LT3973HMSE-5#PBF	LT3973HMSE-5#TRPBF	LT3973IDD#PBF	LT3973IDD#TRPBF	LT3973IDD-3.3#PBF	LT3973IDD-3.3#TRPBF	LT3973IDD-5#PBF	LT3973IDD-5#TRPBF	LT3973IMSE#PBF	LT3973IMSE#TRPBF	LT3973IMSE-3.3#PBF	LT3973IMSE-3.3#TRPBF	LT3973IMSE-5#PBF	LT3973IMSE-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
Demo Boards	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A	DC1730A
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
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
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
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
Frequency Adjust Range	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 2.2MHz	200kHz to 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
Ishutdown, µA	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Isupply, mA	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025	0.0025
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
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
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
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	-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 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	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75	0.75
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
Switch Current, A	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.65
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
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
Vin Max, V	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42	42
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
Vout Max, V	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Vout Maximum	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin
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
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

生态计划

	LT3973EDD#PBF	LT3973EDD#TRPBF	LT3973EDD-3.3#PBF	LT3973EDD-3.3#TRPBF	LT3973EDD-5#PBF	LT3973EDD-5#TRPBF	LT3973EMSE#PBF	LT3973EMSE#TRPBF	LT3973EMSE-3.3#PBF	LT3973EMSE-3.3#TRPBF	LT3973EMSE-5#PBF	LT3973EMSE-5#TRPBF	LT3973HDD#PBF	LT3973HDD#TRPBF	LT3973HDD-3.3#PBF	LT3973HDD-3.3#TRPBF	LT3973HDD-5#PBF	LT3973HDD-5#TRPBF	LT3973HMSE#PBF	LT3973HMSE#TRPBF	LT3973HMSE-3.3#PBF	LT3973HMSE-3.3#TRPBF	LT3973HMSE-5#PBF	LT3973HMSE-5#TRPBF	LT3973IDD#PBF	LT3973IDD#TRPBF	LT3973IDD-3.3#PBF	LT3973IDD-3.3#TRPBF	LT3973IDD-5#PBF	LT3973IDD-5#TRPBF	LT3973IMSE#PBF	LT3973IMSE#TRPBF	LT3973IMSE-3.3#PBF	LT3973IMSE-3.3#TRPBF	LT3973IMSE-5#PBF	LT3973IMSE-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

模型线

系列: LT3973 (36)

LT3973EDD#PBF LT3973EDD#TRPBF LT3973EDD-3.3#PBF LT3973EDD-3.3#TRPBF LT3973EDD-5#PBF LT3973EDD-5#TRPBF LT3973EMSE#PBF LT3973EMSE#TRPBF LT3973EMSE-3.3#PBF LT3973EMSE-3.3#TRPBF LT3973EMSE-5#PBF LT3973EMSE-5#TRPBF LT3973HDD#PBF LT3973HDD#TRPBF LT3973HDD-3.3#PBF LT3973HDD-3.3#TRPBF LT3973HDD-5#PBF LT3973HDD-5#TRPBF LT3973HMSE#PBF LT3973HMSE#TRPBF LT3973HMSE-3.3#PBF LT3973HMSE-3.3#TRPBF LT3973HMSE-5#PBF LT3973HMSE-5#TRPBF LT3973IDD#PBF LT3973IDD#TRPBF LT3973IDD-3.3#PBF LT3973IDD-3.3#TRPBF LT3973IDD-5#PBF LT3973IDD-5#TRPBF LT3973IMSE#PBF LT3973IMSE#TRPBF LT3973IMSE-3.3#PBF LT3973IMSE-3.3#TRPBF LT3973IMSE-5#PBF LT3973IMSE-5#TRPBF

制造商分类

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