Datasheet Linear Technology LT8616

Manufacturer	Linear Technology
Series	LT8616

Dual 42V Synchronous Monolithic Step-Down Regulator with 6.5µA Quiescent Current

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Dual 42V Synchronous Monolithic Step-Down Regulator with 6.5μA Quiescent Current

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Packaging

	LT8616EFE#PBF	LT8616EFE#TRPBF	LT8616EUDE#PBF	LT8616EUDE#TRPBF	LT8616HFE#PBF	LT8616HFE#TRPBF	LT8616IFE#PBF	LT8616IFE#TRPBF	LT8616IUDE#PBF	LT8616IUDE#TRPBF
N	1	2	3	4	5	6	7	8	9	10
Package	TSSOP-28 Package Outline Drawing	TSSOP-28 Package Outline Drawing	3x6 QFN-28 Package Outline Drawing	3x6 QFN-28 Package Outline Drawing	TSSOP-28 Package Outline Drawing	TSSOP-28 Package Outline Drawing	TSSOP-28 Package Outline Drawing	TSSOP-28 Package Outline Drawing	3x6 QFN-28 Package Outline Drawing	3x6 QFN-28 Package Outline Drawing
Package Code	FE	FE	UDE	UDE	FE	FE	FE	FE	UDE	UDE
Package Index	05-08-1663 (EB)	05-08-1663 (EB)	05-08-1926	05-08-1926	05-08-1663 (EB)	05-08-1663 (EB)	05-08-1663 (EB)	05-08-1663 (EB)	05-08-1926	05-08-1926
Pin Count	28	28	28	28	28	28	28	28	28	28

Parametrics

Parameters / Models	LT8616EFE#PBF	LT8616EFE#TRPBF	LT8616EUDE#PBF	LT8616EUDE#TRPBF	LT8616HFE#PBF	LT8616HFE#TRPBF	LT8616IFE#PBF	LT8616IFE#TRPBF	LT8616IUDE#PBF	LT8616IUDE#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	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A	DC2169A
Design Tools	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File	LTspice File,LTpowerCAD File
Export Control	no	no	no	no	no	no	no	no	no	no
Features	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good
Frequency, kHz	3000	3000	3000	3000	3000	3000	3000	3000	3000	3000
Frequency Adjust Range	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz
Frequency Sync Range	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz	200kHz - 3MHz
Integrated Inductor	no	no	no	no	no	no	no	no	no	no
Ishutdown, µA	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7
Isupply, mA	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003	0.003
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	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Output Current 2, A	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Polyphase	no	no	no	no	no	no	no	no	no	no
Switch Current, A	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Switch Current 2, A	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
Synchronous	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
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	42	42	42	42	42	42	42	42	42	42
Vin Min, V	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4
Vout Max, V	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8
Vout Max 2, V	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8	41.8
Vout Maximum	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin	.99Vin
Vout Min, V	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79
Vout Min 2, V	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79	0.79
Vref Accuracy Over Temp, %	1	1	1	1	1	1	1	1	1	1

Eco Plan

	LT8616EFE#PBF	LT8616EFE#TRPBF	LT8616EUDE#PBF	LT8616EUDE#TRPBF	LT8616HFE#PBF	LT8616HFE#TRPBF	LT8616IFE#PBF	LT8616IFE#TRPBF	LT8616IUDE#PBF	LT8616IUDE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Model Line

Series: LT8616 (10)

LT8616EFE#PBF LT8616EFE#TRPBF LT8616EUDE#PBF LT8616EUDE#TRPBF LT8616HFE#PBF LT8616HFE#TRPBF LT8616IFE#PBF LT8616IFE#TRPBF LT8616IUDE#PBF LT8616IUDE#TRPBF

Manufacturer's Classification

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | 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