Datasheet Linear Technology LTC3890-3 — 数据表

制造商	Linear Technology
系列	LTC3890-3

60V低IQ，双路，两相，同步降压型DC / DC控制器

数据表

预览并下载

PDF, 1.3 Mb, 语言: en, 文件上传: Sep 24, 2017, 页数: 40
60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

从文件中提取

价格

打包

	LTC3890EGN-3#PBF	LTC3890EGN-3#TRPBF	LTC3890HGN-3#PBF	LTC3890HGN-3#TRPBF	LTC3890IGN-3#PBF	LTC3890IGN-3#TRPBF	LTC3890MPGN-3#PBF	LTC3890MPGN-3#TRPBF
N	1	2	3	4	5	6	7	8
Package	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图	SSOP-28 包装外形图
Package Code	GN	GN	GN	GN	GN	GN	GN	GN
Package Index	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)	05-08-1641 (GN28)
Pin Count	28	28	28	28	28	28	28	28

参数化

Parameters / Models	LTC3890EGN-3#PBF	LTC3890EGN-3#TRPBF	LTC3890HGN-3#PBF	LTC3890HGN-3#TRPBF	LTC3890IGN-3#PBF	LTC3890IGN-3#TRPBF	LTC3890MPGN-3#PBF	LTC3890MPGN-3#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC2299A-A	DC2299A-A	DC2299A-A	DC2299A-A	DC2299A-A	DC2299A-A	DC2299A-A	DC2299A-A
Design Tools	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model	LTspice File,LTpowerCAD Model
Export Control	no	no	no	no	no	no	no	no
Features	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good	DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good
Frequency, kHz	900	900	900	900	900	900	900	900
Frequency Adjust Range	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz	50kHz - 900kHz
Frequency Sync Range	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz	75kHz - 850kHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	14	14	14	14	14	14	14	14
Isupply, mA	0.050	0.050	0.050	0.050	0.050	0.050	0.050	0.050
Max Phases	2	2	2	2	2	2	2	2
Monolithic	no	no	no	no	no	no	no	no
Number of Outputs	2	2	2	2	2	2	2	2
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 125	-40 to 125	-40 to 85	-40 to 85	-55 to 125	-55 to 125
Output Current, A	15	15	15	15	15	15	15	15
Output Current 2, A	15	15	15	15	15	15	15	15
Polyphase	yes	yes	yes	yes	yes	yes	yes	yes
Sense Resistor	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR
Switch Current, A	15	15	15	15	15	15	15	15
Switch Current 2, A	15	15	15	15	15	15	15	15
Synchronous	yes	yes	yes	yes	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 1	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 2	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	60	60	60	60	60	60	60	60
Vin Min, V	4	4	4	4	4	4	4	4
Vout Max, V	24	24	24	24	24	24	24	24
Vout Maximum	24V	24V	24V	24V	24V	24V	24V	24V
Vout Min, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vout Min 2, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vref Accuracy Over Temp, %	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5

生态计划

	LTC3890EGN-3#PBF	LTC3890EGN-3#TRPBF	LTC3890HGN-3#PBF	LTC3890HGN-3#TRPBF	LTC3890IGN-3#PBF	LTC3890IGN-3#TRPBF	LTC3890MPGN-3#PBF	LTC3890MPGN-3#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

模型线

系列: LTC3890-3 (8)

LTC3890EGN-3#PBF LTC3890EGN-3#TRPBF LTC3890HGN-3#PBF LTC3890HGN-3#TRPBF LTC3890IGN-3#PBF LTC3890IGN-3#TRPBF LTC3890MPGN-3#PBF LTC3890MPGN-3#TRPBF

制造商分类

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | High Input Voltage Buck | External Power Switch Buck Controllers
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators