Datasheet Linear Technology LT3992

Manufacturer	Linear Technology
Series	LT3992

Monolithic Dual Tracking 3A Step-Down Switching Regulator

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Monolithic Dual Tracking 3A Step-Down Switching Regulator

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Packaging

	LT3992EFE#PBF	LT3992EFE#TRPBF	LT3992EUH#PBF	LT3992EUH#TRPBF	LT3992HFE#PBF	LT3992HFE#TRPBF	LT3992IFE#PBF	LT3992IFE#TRPBF	LT3992IUH#PBF	LT3992IUH#TRPBF
N	1	2	3	4	5	6	7	8	9	10
Package	TSSOP-38 Package Outline Drawing	TSSOP-38 Package Outline Drawing	5x5 QFN-32 Package Outline Drawing	5x5 QFN-32 Package Outline Drawing	TSSOP-38 Package Outline Drawing	TSSOP-38 Package Outline Drawing	TSSOP-38 Package Outline Drawing	TSSOP-38 Package Outline Drawing	5x5 QFN-32 Package Outline Drawing	5x5 QFN-32 Package Outline Drawing
Package Code	FE	FE	UH	UH	FE	FE	FE	FE	UH	UH
Package Index	05-08-1772	05-08-1772	05-08-1693	05-08-1693	05-08-1772	05-08-1772	05-08-1772	05-08-1772	05-08-1693	05-08-1693
Pin Count	38	38	32	32	38	38	38	38	32	32

Parametrics

Parameters / Models	LT3992EFE#PBF	LT3992EFE#TRPBF	LT3992EUH#PBF	LT3992EUH#TRPBF	LT3992HFE#PBF	LT3992HFE#TRPBF	LT3992IFE#PBF	LT3992IFE#TRPBF	LT3992IUH#PBF	LT3992IUH#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
Demo Boards	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A	DC1537A
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
Export Control	no	no	no	no	no	no	no	no	no	no
Features	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking	Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking
Frequency, kHz	2000	2000	2000	2000	2000	2000	2000	2000	2000	2000
Frequency Adjust Range	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz
Frequency Sync Range	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz	250kHz - 2MHz
Integrated Inductor	no	no	no	no	no	no	no	no	no	no
Ishutdown, µA	6	6	6	6	6	6	6	6	6	6
Isupply, mA	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
Monolithic	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Number of Outputs	2	2	2	2	2	2	2	2	2	2
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	3	3	3	3	3	3	3	3	3	3
Output Current 2, A	3	3	3	3	3	3	3	3	3	3
Polyphase	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Switch Current, A	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6
Switch Current 2, A	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6	4.6
Synchronous	no	no	no	no	no	no	no	no	no	no
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 1	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 2	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	60	60	60	60	60	60	60	60	60	60
Vin Min, V	3	3	3	3	3	3	3	3	3	3
Vout Max, V	58.8	58.8	58.8	58.8	58.8	58.8	58.8	58.8	58.8	58.8
Vout Maximum	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin	0.98Vin
Vout Min, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vout Min 2, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vref Accuracy Over Temp, %	2.23	2.23	2.23	2.23	2.23	2.23	2.23	2.23	2.23	2.23

Eco Plan

	LT3992EFE#PBF	LT3992EFE#TRPBF	LT3992EUH#PBF	LT3992EUH#TRPBF	LT3992HFE#PBF	LT3992HFE#TRPBF	LT3992IFE#PBF	LT3992IFE#TRPBF	LT3992IUH#PBF	LT3992IUH#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Model Line

Series: LT3992 (10)

LT3992EFE#PBF LT3992EFE#TRPBF LT3992EUH#PBF LT3992EUH#TRPBF LT3992HFE#PBF LT3992HFE#TRPBF LT3992IFE#PBF LT3992IFE#TRPBF LT3992IUH#PBF LT3992IUH#TRPBF

Manufacturer's Classification

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