参数资料
型号: LM2575MX-3.3/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO24
封装: SO-24
文件页数: 36/40页
文件大小: 917K
代理商: LM2575MX-3.3/NOPB
LM1575-5.0, LM2575-5.0, LM2575HV-5.0
Electrical Characteristics (Continued)
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
Typ
LM1575-5.0
LM2575-5.0
Units
(Limits)
LM2575HV-5.0
Limit
Circuit of
5.175/5.225
5.225/5.275
V(Max)
η
Efficiency
V
IN = 12V, ILOAD =1A
77
%
LM1575-12, LM2575-12, LM2575HV-12
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM1575-12
LM2575-12
Units
(Limits)
LM2575HV-12
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.2A
12
V
Circuit of
11.88
11.76
V(Min)
12.12
12.24
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
12
V
LM1575/LM2575
15V
≤ V
IN ≤ 40V
11.64/11.52
11.52/11.40
V(Min)
Circuit of
12.36/12.48
12.48/12.60
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
12
V
LM2575HV
15V
≤ V
IN ≤ 60V
11.64/11.52
11.52/11.40
V(Min)
Circuit of
12.42/12.54
12.54/12.66
V(Max)
η
Efficiency
V
IN = 15V, ILOAD =1A
88
%
LM1575-15, LM2575-15, LM2575HV-15
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM1575-15
LM2575-15
Units
(Limits)
LM2575HV-15
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit
V
OUT
Output Voltage
V
IN = 30V, ILOAD = 0.2A
15
V
Circuit of
14.85
14.70
V(Min)
15.15
15.30
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
15
V
LM1575/LM2575
18V
≤ V
IN ≤ 40V
14.55/14.40
14.40/14.25
V(Min)
Circuit of
15.45/15.60
15.60/15.75
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD ≤ 1A,
15
V
LM2575HV
18V
≤ V
IN ≤ 60V
14.55/14.40
14.40/14.25
V(Min)
Circuit of
15.525/15.675
15.68/15.83
V(Max)
η
Efficiency
V
IN = 18V, ILOAD =1A
88
%
LM1575/LM2575/LM2575HV
www.national.com
5
相关PDF资料
PDF描述
LM3420AM5-16.8/NOPB 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
LH2320-2D4 2-OUTPUT AC-DC UNREG PWR SUPPLY MODULE
LS4001-7ERD5T 1-OUTPUT 100 W AC-DC PWR FACTOR CORR MODULE
LS4001-7ERD5TB1 1-OUTPUT 100 W AC-DC PWR FACTOR CORR MODULE
LS2660-9ERD8TB1 2-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LM2575MX-5.0 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
LM2575MX-5.0 NOPB 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 24-Pin SOIC W T/R 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 24-Pin SOIC T/R
LM2575MX-5.0/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
LM2575MX-ADJ 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
LM2575MX-ADJ/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