LTC3869EUFD#PBF datasheet, PDF

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LTC3869EUFD#PBF: DescriptionOutputable current: - Switching operating frequency: 250kHz ~ 780kHz Output type: Transistor Driver Number of output voltage channels: 2 Function type: Step-Down Output configuration: Positive; CategoryPower/power management The power supply circuit; File Size716KB，44 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC3869EUFD#PBF Overview

Outputable current: - Switching operating frequency: 250kHz ~ 780kHz Output type: Transistor Driver Number of output voltage channels: 2 Function type: Step-Down Output configuration: Positive

LTC3869EUFD#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	QFN
package instruction	HVQCCN,
Contacts	28
Manufacturer packaging code	UFD
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	ALSO OPERATES AS LDO REGULATOR, OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 12.5V
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	38 V
Minimum input voltage	4 V
Nominal input voltage	15 V
JESD-30 code	R-PQCC-N28
JESD-609 code	e3
length	5 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 °C
Minimum operating temperature
Maximum output current	0.1 A
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Package shape	RECTANGULAR
Package form	CHIP CARRIER
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	0.8 mm
surface mount	YES
Switch configuration	PHASE-SHIFT
Maximum switching frequency	850 kHz
technology	CMOS
Temperature level	OTHER
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	4 mm

LTC3869EUFD#PBF Related Products

	LTC3869EUFD#PBF	LTC3869IUF#TRPBF	LTC3869IGN-2#TRPBF	LTC3869IUFD#TRPBF	LTC3869EUF#PBF	LTC3869EUFD#TRPBF	LTC3869EUF#TRPBF	LTC3869IGN-2#PBF	LTC3869IUF#PBF
Description	Outputable current: - Switching operating frequency: 250kHz ~ 780kHz Output type: Transistor Driver Number of output voltage channels: 2 Function type: Step-Down Output configuration: Positive	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	IC REG CTRLR BUCK 28QFN
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	yes	-	none	-	none	yes	none
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-SSOP (0.154", 3.90mm wide)	-	28-WFQFN Exposed Pad	-	28-WFQFN Exposed Pad	28-SSOP (0.154", 3.90mm wide)	28-WFQFN Exposed Pad
Supplier device packaging	-	28-QFN（4x4）	28-SSOP	-	28-QFN（4x4）	-	28-QFN（4x4）	28-SSOP	28-QFN（4x4）

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