Datasheet Linear Technology LT8646S

Manufacturer	Linear Technology
Series	LT8646S

65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current

Datasheets

PDF, 457 Kb, Language: en, File uploaded: Mar 27, 2018, Pages: 30
65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current

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	LT8646SEV#PBF	LT8646SIV#PBF
N	1	2
Package	6mm × 4mm × 0.94mm LQFN Package Outline Drawing	6mm × 4mm × 0.94mm LQFN Package Outline Drawing
Package Code	LQFN	LQFN
Package Index	05-08-1512	05-08-1512
Pin Count	32	32

Parameters / Models	LT8646SEV#PBF	LT8646SIV#PBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode
Export Control	no	no
Features	Low EMI, Silent Switcher 2 Architecture, Burst Mode, Resistor Set Frequency, External Synchronization, Spread Spectrum	Low EMI, Silent Switcher 2 Architecture, Burst Mode, Resistor Set Frequency, External Synchronization, Spread Spectrum
Frequency, kHz	2200	2200
Frequency Adjust Range	200kHz - 2.2MHz	200kHz - 2.2MHz
Frequency Sync Range	200kHz - 2.2MHz	200kHz - 2.2MHz
Integrated Inductor	no	no
Ishutdown, µA	0.9	0.9
Isupply, mA	0.017	0.017
Monolithic	yes	yes
Number of Outputs	1	1
Operating Temperature Range, °C	0 to 85	-40 to 85
Output Current, A	8	8
Polyphase	no	no
Switch Current, A	14	14
Synchronous	yes	yes
Topology	Buck	Buck
Topology 1	Buck	Buck
Vin Max, V	65	65
Vin Min, V	3.4	3.4
Vout Max, V	64	64
Vout Maximum	0.99Vin	0.99Vin
Vout Min, V	0.97	0.97
Vref Accuracy Over Temp, %	1.5	1.5

	LT8646SEV#PBF	LT8646SIV#PBF
RoHS	Compliant	Compliant

Series: LT8646S (2)

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck | High Input Voltage Buck | Micropower Buck Regulators