Datasheet > LM2597HV-5MDC

LM2597HV-5MDC

更新时间： 2024-01-06 03:59:02

品牌	Logo	应用领域
美国国家半导体 - NSC		开关
页数	文件大小	规格书
41页	1020K
描述
IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or Controller

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技术参数
数据手册

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LM2597HV-5MDC 技术参数

生命周期：	Obsolete	零件包装代码：	DIE
包装说明：	DIE,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.55	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
最大输入电压：	60 V	最小输入电压：	4.5 V
标称输入电压：	12 V	JESD-30 代码：	X-XUUC-N
功能数量：	1	最大输出电流：	1.4 A
封装主体材料：	UNSPECIFIED	封装代码：	DIE
封装形状：	UNSPECIFIED	封装形式：	UNCASED CHIP
认证状态：	Not Qualified	表面贴装：	YES
切换器配置：	BUCK	最大切换频率：	173 kHz
端子形式：	NO LEAD	端子位置：	UPPER

LM2597HV-5MDC 数据手册

All Output Voltage Versions

Electrical Characteristics ^(Continued)

Note 5: All limits guaranteed at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits are 100%

production tested. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to

calculate Average Outgoing Quality Level (AOQL).

Note 6: External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the

LM2597/LM2597HV is used as shown in the Figure 12 test circuit, system performance will be as shown in system parameters section of Electrical Characteristics.

Note 7: The switching frequency is reduced when the second stage current limit is activated. The amount of reduction is determined by the severity of current

overload.

Note 8: No diode, inductor or capacitor connected to output pin.

Note 9: Feedback pin removed from output and connected to 0V to force the output transistor switch ON.

Note 10: Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor

switch OFF.

Note 11: V = 40V for the LM2597 and 60V for the LM2597HV.

Note 12: Junction to ambient thermal resistance with approximately 1 square inch of printed circuit board copper surrounding the leads. Additional copper area will

™

lower thermal resistance further. See application hints in this data sheet and the thermal model in Switchers Made Simple

software.

Typical Performance Characteristics

Normalized

Efficiency

Line Regulation

Output Voltage

DS012440-4

DS012440-3

DS012440-2

Switch Saturation

Voltage

Dropout Voltage

Switch Current Limit

DS012440-7

DS012440-6

DS012440-5

www.national.com

1...3 4 567 8 9...41

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与LM2597HV-5MDC相关器件

型号	品牌	描述	获取价格	数据表
LM2597HV-5MWC	NSC	IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator	获取价格
LM2597HVM-12	NSC	SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator, with Features	获取价格
LM2597HVM-12	TI	LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator,	获取价格
LM2597HVM-12/NOPB	TI	LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator	获取价格
LM2597HVM-3.3	TI	LM2597/LM2597HV SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down	获取价格
LM2597HVM-3.3	NSC	SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator, with Features	获取价格

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