LM3679 datasheet, PDF - EEWORLD Datasheet

LM3679: Description3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm); File Size4MB，16 Pages; ManufacturerNational Semiconductor（TI ）; Websitehttp://www.ti.com

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LM3679 Overview

3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)

LM3679 Related Products

	LM3679	LM3679TL-1.8	LM3679TLX-1.8	LM3679UR-1.8	LM3679UR-1.2	LM3679UR-1.5	LM3679URX-1.2	LM3679URX-1.5	LM3679URX-1.8
Description	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)	3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications (Height < 0.55mm)
Is it Rohs certified?	-	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
Maker	-	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）	National Semiconductor（TI ）
package instruction	-	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20/17	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20	VFBGA, BGA5,2X3,20/17
Reach Compliance Code	-	compli	compli	compli	compli	compli	compli	compli	compli
ECCN code	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	-	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE	CURRENT MODE CONTROL IS ALSO POSSIBLE IN PFM CONTROL TECHNIQUE
Analog Integrated Circuits - Other Types	-	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR	SWITCHING REGULATOR
control mode	-	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE	VOLTAGE-MODE
Control Technology	-	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	-	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum input voltage	-	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V	2.5 V
Nominal input voltage	-	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
JESD-30 code	-	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5	R-PBGA-B5
JESD-609 code	-	e1	e1	e1	e1	e1	e1	e1	e1
length	-	1.488 mm	1.488 mm	1.495 mm	1.495 mm	1.495 mm	1.495 mm	1.495 mm	1.495 mm
Humidity sensitivity level	-	1	1	1	1	1	1	1	1
Number of functions	-	1	1	1	1	1	1	1	1
Number of terminals	-	5	5	5	5	5	5	5	5
Maximum operating temperature	-	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-	-30 °C	-30 °C	-30 °C	-30 °C	-30 °C	-30 °C	-30 °C	-30 °C
Maximum output current	-	1.075 A	1.075 A	1.075 A	1.075 A	1.075 A	1.075 A	1.075 A	1.075 A
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	VFBGA	VFBGA	VFBGA	VFBGA	VFBGA	VFBGA	VFBGA	VFBGA
Encapsulate equivalent code	-	BGA5,2X3,20	BGA5,2X3,20	BGA5,2X3,20/17	BGA5,2X3,20	BGA5,2X3,20	BGA5,2X3,20	BGA5,2X3,20	BGA5,2X3,20/17
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	-	260	260	260	260	260	260	260	260
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	0.675 mm	0.675 mm	0.425 mm	0.425 mm	0.425 mm	0.425 mm	0.425 mm	0.425 mm
surface mount	-	YES	YES	YES	YES	YES	YES	YES	YES
Switch configuration	-	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK	BUCK
Maximum switching frequency	-	3500 kHz	3500 kHz	3500 kHz	3500 kHz	3500 kHz	3500 kHz	3500 kHz	3500 kHz
Temperature level	-	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER	OTHER
Terminal surface	-	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)	Tin/Silver/Copper (Sn/Ag/Cu)
Terminal form	-	BALL	BALL	BALL	BALL	BALL	BALL	BALL	BALL
Terminal pitch	-	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	-	BOTTOM	BOTTOM	BOTTOM	BOTTOM	BOTTOM	BOTTOM	BOTTOM	BOTTOM
Maximum time at peak reflow temperature	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	-	1.107 mm	1.107 mm	1.128 mm	1.128 mm	1.128 mm	1.128 mm	1.128 mm	1.128 mm

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