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参数资料
| 型号： | LM2576HVT-5.0/LB03 |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封装： | GREEN, TO-220, 5 PIN |
| 文件页数： | 19/24页 |
| 文件大小： | 750K |
| 代理商： | LM2576HVT-5.0/LB03 |
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics (Continued)
Specifications with standard type face are for T
J = 25C, and those with Figure 2 boldface type apply over full Operating Tem-
perature Range.
Symbol
Parameter
Conditions
LM2576-5.0
Units
(Limits)
LM2576HV-5.0
Typ
Limit
η
Efficiency
V
IN = 12V, ILOAD =3A
77
%
LM2576-12, LM2576HV-12
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
LM2576-12
Units
(Limits)
LM2576HV-12
Typ
Limit
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.5A
12
V
Circuit of Figure 2
11.76
V(Min)
12.24
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
12
V
LM2576
15V
≤ V
IN
≤ 40V
11.52/11.40
V(Min)
Circuit of Figure 2
12.48/12.60
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
12
V
LM2576HV
15V
≤ V
IN
≤ 60V
11.52/11.40
V(Min)
Circuit of Figure 2
12.54/12.66
V(Max)
η
Efficiency
V
IN = 15V, ILOAD =3A
88
%
LM2576-15, LM2576HV-15
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
LM2576-15
Units
(Limits)
LM2576HV-15
Typ
Limit
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.5A
15
V
Circuit of Figure 2
14.70
V(Min)
15.30
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
15
V
LM2576
18V
≤ V
IN
≤ 40V
14.40/14.25
V(Min)
Circuit of Figure 2
15.60/15.75
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
15
V
LM2576HV
18V
≤ V
IN
≤ 60V
14.40/14.25
V(Min)
Circuit of Figure 2
15.68/15.83
V(Max)
η
Efficiency
V
IN = 18V, ILOAD =3A
88
%
LM2576/LM2576HV
www.national.com
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相关代理商/技术参数 |
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|---|---|
| LM2576HVT-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 |
| LM2576HVT-ADJ/LB02 | 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 |
| LM2576HVT-ADJ/LB03 | 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 |
| LM2576HVT-ADJ/LF02 | 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 |
| LM2576HVT-ADJ/LF03 | 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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