Datasheet Linear Technology LTC3850-2

Manufacturer	Linear Technology
Series	LTC3850-2

Dual, 2-Phase Synchronous Step-Down Switching Controller

Datasheets

PDF, 417 Kb, Language: en, File uploaded: Jul 31, 2016, Pages: 36
Dual, 2-Phase Synchronous Step-Down Switching Controller

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	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
N	1	2
Package	SSOP-28 Package Outline Drawing	SSOP-28 Package Outline Drawing
Package Code	GN	GN
Package Index	05-08-1641 (GN28)	05-08-1641 (GN28)
Pin Count	28	28

Parameters / Models	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode
Design Tools	LTspice Model,LTpowerCAD Model	LTspice Model,LTpowerCAD Model
Export Control	no	no
Features	PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good	PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good
Frequency, kHz	500	500
Frequency Sync Range	250kHz - 780kHz	250kHz - 780kHz
Integrated Inductor	no	no
Ishutdown, µA	30	30
Isupply, mA	0.85	0.85
Max Phases	2	2
Monolithic	no	no
Number of Outputs	2	2
Operating Temperature Range, °C	-40 to 85	-40 to 85
Output Current, A	25	25
Polyphase	yes	yes
Sense Resistor	Rsense, DCR	Rsense, DCR
Switch Current, A	25	25
Synchronous	yes	yes
Topology	Buck	Buck
Topology 2	Buck	Buck
Vin Max, V	30	30
Vin Min, V	4	4
Vout Max, V	6	6
Vout Maximum	6V	6V
Vout Min, V	0.8	0.8
Vref Accuracy Over Temp, %	1	1

	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
RoHS	Compliant	Compliant

Series: LTC3850-2 (2)

Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers