TPS54062 4.7V 至 60V 输入、50mA 同步降压转换器

描述

TPS54062器件是一款60V，50mA同步降压转换器，集成有高侧和低侧MOSFET。电流模式控制提供了简单的外部补偿和组件选择的灵活性。非开关电源电流为89μA。使用使能引脚可将关断电源电流减少至1.7μA。

欠压锁定电压在内部设定为4.5V，但可通过精确使能引脚将其升高。输出电压启动斜坡由内部缓慢启动时间控制。

可调节开关频率范围可实现高效率并优化外部组件尺寸。频率折返和热关断功能可在过载情况下对部件提供保护。

所有商标均为其各自所有者的财产。


Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Regulated Outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Features
Control Mode
Duty Cycle (Max) (%)
Operating Temperature Range (C)
Rating
Package Group

TPS54062	LM25011-Q1	LM25019	LM5009	LM5165	LM5165-Q1	TPS54061	TPS54061-Q1
4.7	6	7.5	9.5	3	3	4.7	4.7
60	42	48	95	65	65	60	60
0.8	2.51	1.25	2.5	1.23	1.23	0.8	0.8
58	40	40	85	65	65	58	58
0.05	2	0.1	0.15	0.15	0.15	0.2	0.2
1	1	1	1	1	1	1	1
100	50	50	50	50	50	50	50
400	2000	1000	600	600	600	1100	1100
0.089	1.2	1.75	0.485	0.01	0.01	0.09	0.09
Enable Frequency Synchronization Light Load Efficiency Synchronous Rectification UVLO Adjustable	Adjustable Current Limit	Synchronous Rectification UVLO Adjustable	Enable	Adjustable Current Limit Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable	Adjustable Current Limit Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable	Enable Frequency Synchronization Light Load Efficiency Synchronous Rectification UVLO Adjustable	Enable Frequency Synchronization Light Load Efficiency Synchronous Rectification UVLO Adjustable
Current Mode	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Current Mode	Current Mode
98	99	90	99	100	100	98	98
-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 150	-40 to 150	-40 to 150	-40 to 150
Catalog	Automotive	Catalog	Catalog	Catalog	Automotive	Catalog	Automotive
SON VSSOP	MSOP-PowerPAD	SO PowerPAD WSON	VSSOP WSON	VSON	VSON	SON	SON

数据手册（1）

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