Datasheet Linear Technology LTC3548A — 数据表

制造商	Linear Technology
系列	LTC3548A

双路同步400mA / 800mA，2.25MHz降压DC / DC稳压器

数据表

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PDF, 255 Kb, 语言: en, 文件上传: Sep 22, 2017, 页数: 20
Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator

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价格

打包

	LTC3548AEDD#PBF	LTC3548AEDD#TRPBF	LTC3548AEMSE#PBF	LTC3548AEMSE#TRPBF	LTC3548AIDD#PBF	LTC3548AIDD#TRPBF	LTC3548AIMSE#PBF	LTC3548AIMSE#TRPBF
N	1	2	3	4	5	6	7	8
Package	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图	3x3 DFN-10 包装外形图	3x3 DFN-10 包装外形图	MS-10E 包装外形图	MS-10E 包装外形图
Package Code	DD	DD	MSE	MSE	DD	DD	MSE	MSE
Package Index	05-08-1699	05-08-1699	05-08-1664	05-08-1664	05-08-1699	05-08-1699	05-08-1664	05-08-1664
Pin Count	10	10	10	10	10	10	10	10

参数化

Parameters / Models	LTC3548AEDD#PBF	LTC3548AEDD#TRPBF	LTC3548AEMSE#PBF	LTC3548AEMSE#TRPBF	LTC3548AIDD#PBF	LTC3548AIDD#TRPBF	LTC3548AIMSE#PBF	LTC3548AIMSE#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
Design Tools	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model	LTspice Model
Export Control	no	no	no	no	no	no	no	no
Features	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle	Burst Mode, External Synchronization, 100% Duty Cycle
Frequency, kHz	2250	2250	2250	2250	2250	2250	2250	2250
Frequency Sync Range	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz	1.8MHz - 2.7MHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1
Isupply, mA	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.04
Max Phases	1	1	1	1	1	1	1	1
Monolithic	yes	yes	yes	yes	yes	yes	yes	yes
Number of Outputs	2	2	2	2	2	2	2	2
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	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Output Current 2, A	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4
Polyphase	no	no	no	no	no	no	no	no
Switch Current, A	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2
Switch Current 2, A	0.7	0.7	0.7	0.7	0.7	0.7	0.7	0.7
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	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vin Min, V	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Vout Max, V	5	5	5	5	5	5	5	5
Vout Maximum	Vin	Vin	Vin	Vin	Vin	Vin	Vin	Vin
Vout Min, V	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Vout Min 2, V	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Vref Accuracy Over Temp, %	2	2	2	2	2	2	2	2

生态计划

	LTC3548AEDD#PBF	LTC3548AEDD#TRPBF	LTC3548AEMSE#PBF	LTC3548AEMSE#TRPBF	LTC3548AIDD#PBF	LTC3548AIDD#TRPBF	LTC3548AIMSE#PBF	LTC3548AIMSE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

模型线

系列: LTC3548A (8)

LTC3548AEDD#PBF LTC3548AEDD#TRPBF LTC3548AEMSE#PBF LTC3548AEMSE#TRPBF LTC3548AIDD#PBF LTC3548AIDD#TRPBF LTC3548AIMSE#PBF LTC3548AIMSE#TRPBF

制造商分类

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck