参数资料
型号: LM2574N-ADJ
厂商: ON Semiconductor
文件页数: 14/26页
文件大小: 0K
描述: IC REG BUCK ADJ 0.5A 8DIP
产品变化通告: LTB Notification 03/Jan/2008
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: 4.75 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 52kHz
电流 - 输出: 500mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
供应商设备封装: 8-PDIP
其它名称: LM2574N-ADJOS
LM2574, NCV2574
Table 1. Diode Selection Guide gives an overview about through?hole diodes for
an effective design. Device listed in bold are available from ON Semiconductor
1.0 Amp Diodes
V R
20 V
30 V
40 V
50 V
60 V
Schottky
1N5817
MBR120P
1N5818
MBR130P
1N5819
MBR140P
MBR150
MBR160
Fast Recovery
MUR110
(rated to 100 V)
Table 2. Inductor Selection Guide
Inductor
Value
68 m H
100 m H
150 m H
220 m H
330 m H
470 m H
680 m H
1000 m H
1500 m H
2200 m H
Pulse Engineering
*
*
52625
52626
52627
52628
52629
52631
*
*
Tech 39
55 258 SN
55 308 SN
55 356 SN
55 406 SN
55 454 SN
*
55 504 SN
55 554 SN
*
*
Renco
RL?1284?68
RL?1284?100
RL?1284?150
RL?1284?220
RL?1284?330
RL?1284?470
RL?1284?680
RL?1284?1000
RL?1284?1500
RL?1284?2200
NPI
NP5915
NP5916
NP5917
NP5918/5919
NP5920/5921
NP5922
NP5923
*
*
*
* : Contact Manufacturer
Table 3. Example of Several Inductor Manufacturers Phone/Fax Numbers
Pulse Engineering Inc.
Pulse Engineering Inc. Europe
Renco Electronics Inc.
Tech 39
NPI/APC
Phone
Fax
Phone
Fax
Phone
Fax
Phone
Fax
Phone
Fax
http://onsemi.com
14
+ 1?619?674?8100
+ 1?619?674?8262
+ 353?9324?107
+ 353?9324?459
+ 1?516?645?5828
+ 1?516?586?5562
+ 33?1?4115?1681
+ 33?1?4709?5051
+ 44?634?290?588
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相关代理商/技术参数
参数描述
LM2574N-ADJ NOPB 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin PDIP
LM2574N-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 0.5A ADJ 2574 DIP8
LM2574N-ADJ/NOPB 功能描述:直流/直流开关转换器 0.5A STEP-DOWN VLTG REG 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
LM2574N-ADJG 功能描述:直流/直流开关调节器 500mA Adj. Step Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
LM2574N-ADJG 制造商:ON Semiconductor 功能描述:DC/DC Converter (DC-DC) / Switching Regu