Datasheet Linear Technology LT3975

Manufacturer	Linear Technology
Series	LT3975

42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current

Datasheets

Preview and Download

PDF, 295 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current

Extract from the document

Prices

Packaging

	LT3975EMSE#PBF	LT3975EMSE#TRPBF	LT3975HMSE#PBF	LT3975HMSE#TRPBF	LT3975IMSE#PBF	LT3975IMSE#TRPBF
N	1	2	3	4	5	6
Package	MS-16E Package Outline Drawing	MS-16E Package Outline Drawing	MS-16E Package Outline Drawing	MS-16E Package Outline Drawing	MS-16E Package Outline Drawing	MS-16E Package Outline Drawing
Package Code	MSE	MSE	MSE	MSE	MSE	MSE
Package Index	05-08-1667	05-08-1667	05-08-1667	05-08-1667	05-08-1667	05-08-1667
Pin Count	16	16	16	16	16	16

Parametrics

Parameters / Models	LT3975EMSE#PBF	LT3975EMSE#TRPBF	LT3975HMSE#PBF	LT3975HMSE#TRPBF	LT3975IMSE#PBF	LT3975IMSE#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
Demo Boards	DC1736A	DC1736A	DC1736A	DC1736A	DC1736A	DC1736A
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
Export Control	no	no	no	no	no	no
Features	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good
Frequency, kHz	2000	2000	2000	2000	2000	2000
Frequency Adjust Range	200kHz - 2MHz	200kHz - 2MHz	200kHz - 2MHz	200kHz - 2MHz	200kHz - 2MHz	200kHz - 2MHz
Frequency Sync Range	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz
Integrated Inductor	no	no	no	no	no	no
Ishutdown, µA	0.7	0.7	0.7	0.7	0.7	0.7
Isupply, mA	0.0016	0.0016	0.0016	0.0016	0.0016	0.0016
Max Phases	1	1	1	1	1	1
Monolithic	yes	yes	yes	yes	yes	yes
Number of Outputs	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 85
Output Current, A	2.5	2.5	2.5	2.5	2.5	2.5
Polyphase	no	no	no	no	no	no
Switch Current, A	5.4	5.4	5.4	5.4	5.4	5.4
Synchronous	no	no	no	no	no	no
Topology	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	42	42	42	42	42	42
Vin Min, V	4	4	4	4	4	4
Vout Max, V	40.74	40.74	40.74	40.74	40.74	40.74
Vout Maximum	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin	0.97Vin
Vout Min, V	1.197	1.197	1.197	1.197	1.197	1.197
Vswitch Max, V	42	42	42	42	42	42

Eco Plan

	LT3975EMSE#PBF	LT3975EMSE#TRPBF	LT3975HMSE#PBF	LT3975HMSE#TRPBF	LT3975IMSE#PBF	LT3975IMSE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Model Line

Series: LT3975 (6)

LT3975EMSE#PBF LT3975EMSE#TRPBF LT3975HMSE#PBF LT3975HMSE#TRPBF LT3975IMSE#PBF LT3975IMSE#TRPBF

Manufacturer's Classification

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