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| 型号： | LM2596TVADJG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3A TO220-5 |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 37 V |
| 输入电压： | 4.5 V ~ 40 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 150kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 成形引线 |
| 包装： | 管件 |
| 供应商设备封装： | TO-220-5 |
| 其它名称： | LM2596TVADJG-ND LM2596TVADJGOS |
LM2596
3.0 A, Step-Down Switching
Regulator
The LM2596 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 3.0 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 LM2596 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 LM2596 operates at a switching frequency of 150 kHz thus
1
5
TO ? 220
TV SUFFIX
CASE 314B
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
D 2 PAK surface mount package.
The other features include a guaranteed $ 4% tolerance on output
voltage within specified input voltages and output load conditions, and
Heatsink surface connected to Pin 3
$ 15% on the oscillator frequency. External shutdown is included,
featuring 80 m A (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
1
TO ? 220
T SUFFIX
CASE 314D
1
conditions.
Features
? Adjustable Output Voltage Range 1.23 V ? 37 V
? Guaranteed 3.0 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 80 m A
? Thermal Shutdown and Current Limit Protection
? Internal Loop Compensation
? Moisture Sensitivity Level (MSL) Equals 1
? Pb ? Free Packages are Available
Applications
? 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
5
Pin 1. V in
2. Output
3. Ground
4. Feedback
5. ON/OFF
D 2 PAK
D2T SUFFIX
CASE 936A
5
Heatsink surface (shown as terminal 6 in
case outline drawing) is connected to Pin 3
ORDERING INFORMATION
See detailed ordering and shipping information in the package
DEVICE MARKING INFORMATION
See general marking information in the device marking
? Semiconductor Components Industries, LLC, 2008
November, 2008 ? Rev. 0
1
Publication Order Number:
LM2596/D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2597HVM-12 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2597HVM-12/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2597HVM-12/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| LM2597HVM-3.3 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2597HVM-3.3/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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