LTC3869IUF#PBF datasheet, PDF - EEWORLD Datasheet

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LTC3869IUF#PBF: DescriptionIC REG CTRLR BUCK 28QFN; Categorysemiconductor Power management; File Size716KB，44 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC3869IUF#PBF Overview

IC REG CTRLR BUCK 28QFN

LTC3869IUF#PBF Parametric

Parameter Name	Attribute value
Output type	transistor driver
Function	step down
Output configuration	just
Topology	step down
Number of outputs	2
output stage	2
Voltage - Power Supply (Vcc/Vdd)	4 V ~ 38 V
Frequency - Switch	250kHz ~ 780kHz
Duty cycle (maximum)	0.95
Synchronous rectifier	yes
Clock synchronization	none
serial interface	-
Control characteristics	Current limit, enable, frequency control, power good, soft start, tracking
Operating temperature	-40°C ~ 125°C （TJ）
Package/casing	28-WFQFN Exposed Pad
Supplier device packaging	28-QFN（4x4）

LTC3869IUF#PBF Related Products

	LTC3869IUF#PBF	LTC3869IUF#TRPBF	LTC3869IGN-2#TRPBF	LTC3869IUFD#TRPBF	LTC3869EUF#PBF	LTC3869EUFD#TRPBF	LTC3869EUF#TRPBF	LTC3869IGN-2#PBF	LTC3869EUFD#PBF
Description	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28SSOP	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28QFN	IC REG CTRLR BUCK 28SSOP	Outputable current: - Switching operating frequency: 250kHz ~ 780kHz Output type: Transistor Driver Number of output voltage channels: 2 Function type: Step-Down Output configuration: Positive
Output type	transistor driver	transistor driver	transistor driver	-	transistor driver	-	transistor driver	transistor driver	-
Function	step down	step down	step down	-	step down	-	step down	step down	-
Output configuration	just	just	just	-	just	-	just	just	-
Topology	step down	step down	step down	-	step down	-	step down	step down	-
Number of outputs	2	2	2	-	2	-	2	2	-
output stage	2	2	2	-	2	-	2	2	-
Voltage - Power Supply (Vcc/Vdd)	4 V ~ 38 V	4 V ~ 38 V	4 V ~ 38 V	-	4 V ~ 38 V	-	4 V ~ 38 V	4 V ~ 38 V	-
Frequency - Switch	250kHz ~ 780kHz	250kHz ~ 780kHz	250kHz ~ 780kHz	-	250kHz ~ 780kHz	-	250kHz ~ 780kHz	250kHz ~ 780kHz	-
Duty cycle (maximum)	0.95	0.95	0.95	-	0.95	-	0.95	0.95	-
Synchronous rectifier	yes	yes	yes	-	yes	-	yes	yes	-
Clock synchronization	none	none	yes	-	none	-	none	yes	-
Control characteristics	Current limit, enable, frequency control, power good, soft start, tracking	Current limit, enable, frequency control, power good, soft start, tracking	Current limit, enable, frequency control, power good, soft start, tracking	-	Current limit, enable, frequency control, power good, soft start, tracking	-	Current limit, enable, frequency control, power good, soft start, tracking	Current limit, enable, frequency control, power good, soft start, tracking	-
Operating temperature	-40°C ~ 125°C （TJ）	-40°C ~ 125°C （TJ）	-40°C ~ 125°C （TJ）	-	-40°C ~ 125°C （TJ）	-	-40°C ~ 125°C （TJ）	-40°C ~ 125°C （TJ）	-
Package/casing	28-WFQFN Exposed Pad	28-WFQFN Exposed Pad	28-SSOP (0.154", 3.90mm wide)	-	28-WFQFN Exposed Pad	-	28-WFQFN Exposed Pad	28-SSOP (0.154", 3.90mm wide)	-
Supplier device packaging	28-QFN（4x4）	28-QFN（4x4）	28-SSOP	-	28-QFN（4x4）	-	28-QFN（4x4）	28-SSOP	-

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