Datasheet Linear Technology LTC3879 — 数据表

制造商	Linear Technology
系列	LTC3879

快速，宽工作范围无RSENSE降压控制器

数据表

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PDF, 314 Kb, 语言: en, 文件上传: Sep 24, 2017, 页数: 28
Fast, Wide Operating Range No RSENSE Step-Down Controller

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价格

打包

	LTC3879EMSE#PBF	LTC3879EMSE#TRPBF	LTC3879EUD#PBF	LTC3879EUD#TRPBF	LTC3879IMSE#PBF	LTC3879IMSE#TRPBF	LTC3879IUD#PBF	LTC3879IUD#TRPBF
N	1	2	3	4	5	6	7	8
Package	MS-16E 包装外形图	MS-16E 包装外形图	3x3 QFN-16 包装外形图	3x3 QFN-16 包装外形图	MS-16E 包装外形图	MS-16E 包装外形图	3x3 QFN-16 包装外形图	3x3 QFN-16 包装外形图
Package Code	MSE	MSE	UD	UD	MSE	MSE	UD	UD
Package Index	05-08-1667	05-08-1667	05-08-1700	05-08-1700	05-08-1667	05-08-1667	05-08-1700	05-08-1700
Pin Count	16	16	16	16	16	16	16	16

参数化

Parameters / Models	LTC3879EMSE#PBF	LTC3879EMSE#TRPBF	LTC3879EUD#PBF	LTC3879EUD#TRPBF	LTC3879IMSE#PBF	LTC3879IMSE#TRPBF	LTC3879IUD#PBF	LTC3879IUD#TRPBF
Architecture	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode	Constant On-Time Valley Current Mode
Demo Boards	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A	DC1289A,DC1345A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Export Control	no	no	no	no	no	no	no	no
Features	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency	No Rsense, Tracking, Power Good, Resistor Set Frequency
Frequency, kHz	2000	2000	2000	2000	2000	2000	2000	2000
Frequency Adjust Range	Up to 2MHz	Up to 2MHz	Up to 2MHz	Up to 2MHz	Up to 2MHz	Up to 2MHz	Up to 2MHz	Up to 2MHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	18	18	18	18	18	18	18	18
Isupply, mA	1.35	1.35	1.35	1.35	1.35	1.35	1.35	1.35
Max Phases	1	1	1	1	1	1	1	1
Monolithic	no	no	no	no	no	no	no	no
Number of Outputs	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	25	25	25	25	25	25	25	25
Polyphase	no	no	no	no	no	no	no	no
Sense Resistor	None	None	None	None	None	None	None	None
Switch Current, A	25	25	25	25	25	25	25	25
Synchronous	yes	yes	yes	yes	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	38	38	38	38	38	38	38	38
Vin Min, V	4	4	4	4	4	4	4	4
Vout Max, V	34.2	34.2	34.2	34.2	34.2	34.2	34.2	34.2
Vout Maximum	.9Vin	.9Vin	.9Vin	.9Vin	.9Vin	.9Vin	.9Vin	.9Vin
Vout Min, V	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Vref Accuracy Over Temp, %	1	1	1	1	1	1	1	1

生态计划

	LTC3879EMSE#PBF	LTC3879EMSE#TRPBF	LTC3879EUD#PBF	LTC3879EUD#TRPBF	LTC3879IMSE#PBF	LTC3879IMSE#TRPBF	LTC3879IUD#PBF	LTC3879IUD#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

模型线

系列: LTC3879 (8)

LTC3879EMSE#PBF LTC3879EMSE#TRPBF LTC3879EUD#PBF LTC3879EUD#TRPBF LTC3879IMSE#PBF LTC3879IMSE#TRPBF LTC3879IUD#PBF LTC3879IUD#TRPBF

制造商分类

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