LM2595

更新时间： 2024-09-15 11:56:11

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器开关
页数	文件大小	规格书
25页	566K
描述
1.0 A, Step-Down Switching Regulator

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LM2595 数据手册

LM2595

1.0 A, Step-Down Switching

Regulator

The LM2595 regulator is monolithic integrated circuit ideally suited

for easy and convenient design of a step−down switching regulator

(buck converter). It is capable of driving a 1.0 A load with excellent

line and load regulation. This device is available in adjustable output

version and it is internally compensated to minimize the number of

external components to simplify the power supply design.

http://onsemi.com

Since LM2595 converter is a switch−mode power supply, its

efficiency is significantly higher in comparison with popular

three−terminal linear regulators, especially with higher input voltages.

The LM2595 operates at a switching frequency of 150 kHz thus

allowing smaller sized filter components than what would be needed

with lower frequency switching regulators. Available in a standard

5−lead TO−220 package with several different lead bend options, and

TO−220

TV SUFFIX

CASE 314B

Heatsink surface connected to Pin 3

D PAK surface mount package.

The other features include a guaranteed $4% tolerance on output

voltage within specified input voltages and output load conditions, and

$15% on the oscillator frequency. External shutdown is included,

featuring 50 mA (typical) standby current. Self protection features

include switch cycle−by−cycle current limit for the output switch, as

well as thermal shutdown for complete protection under fault

conditions.

TO−220

T SUFFIX

CASE 314D

1. Output

2. V

Features

• Adjustable Output Voltage Range 1.23 V − 37 V

• Guaranteed 1.0 A Output Load Current

• Wide Input Voltage Range up to 40 V

• 150 kHz Fixed Frequency Internal Oscillator

• TTL Shutdown Capability

• Low Power Standby Mode, typ 50 mA

• Thermal Shutdown and Current Limit Protection

• Internal Loop Compensation

• Moisture Sensitivity Level (MSL) Equals 1

• Pb−Free Packages are Available

3. Ground

4. Feedback

5. ON/OFF

D PAK

D2T SUFFIX

CASE 936A

Heatsink surface (shown as terminal 6 in

case outline drawing) is connected to Pin 3

Applications

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 23 of this data sheet.

• Simple High−Efficiency Step−Down (Buck) Regulator

• Efficient Pre−Regulator for Linear Regulators

• On−Card Switching Regulators

• Positive to Negative Converter (Buck−Boost)

• Negative Step−Up Converters

• Power Supply for Battery Chargers

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 23 of this data sheet.

Publication Order Number:

February, 2009 − Rev. 2

LM2595/D

12 3 4 5 6 7...25

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与LM2595相关器件

型号	品牌	获取价格	描述	数据表
LM2595(HV)	UMW	获取价格	DC-DC芯片
LM2595_13	TI	获取价格	SIMPLE SWITCHERÂ® Power Converter 150 kHz 1A
LM2595_17	TI	获取价格	SIMPLE SWITCHER Power Converter 150-kHz 1-A Step-Down Voltage Regulator
LM2595-3.3MDC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or
LM2595-3.3MWC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2595-5.0MDC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, DIE, Switching Regulator or
LM2595-5.0MWC	NSC	获取价格	IC 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC, WAFER, Switching Regulator
LM2595DSADJG	ONSEMI	获取价格	1.0 A, Step-Down Switching Regulator
LM2595DSADJR4G	ONSEMI	获取价格	1.0 A, Step-Down Switching Regulator
LM2595J-12-QML	NSC	获取价格	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

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