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参数资料
| 型号： | LM2575N-5.0EP |
| 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, PDIP16 |
| 封装： | DIP-16 |
| 文件页数： | 22/26页 |
| 文件大小： | 1069K |
| 代理商： | LM2575N-5.0EP |
Absolute Maximum Ratings (Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage
LM2575EP
45V
LM2575HVEP
63V
ON /OFF Pin Input Voltage
0.3V
≤ V ≤ +V
IN
Output Voltage to Ground
(Steady State)
1V
Power Dissipation
Internally Limited
Storage Temperature Range
65C to +150C
Maximum Junction Temperature
150C
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
)2 kV
Lead Temperature
(Soldering, 10 sec.)
260C
Operating Ratings
Temperature Range
LM2575EP/LM2575HVEP
40C
≤ T
J
≤ +125C
Supply Voltage
LM2575EP
40V
LM2575HVEP
60V
LM2575-3.3EP, LM2575HV-3.3EP
Electrical Characteristics (Note 16)
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
LM2575-3.3EP
Units
(Limits)
LM2575HV-3.3EP
Limit
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
3.3
V
Circuit of Figure 2
3.234
V(Min)
3.366
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN
≤ 40V, 0.2A ≤ I
LOAD
≤ 1A
3.3
V
LM2575EP
Circuit of Figure 2
3.168/3.135
V(Min)
3.432/3.465
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN
≤ 60V, 0.2A ≤ I
LOAD
≤ 1A
3.3
V
LM2575HVEP
Circuit of Figure 2
3.168/3.135
V(Min)
3.450/3.482
V(Max)
η
Efficiency
V
IN = 12V, ILOAD =1A
75
%
LM2575-5.0EP, LM2575HV-5.0EP
Electrical Characteristics (Note 16)
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
LM2575-5.0EP
Units
(Limits)
LM2575HV-5.0EP
Limit
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
5.0
V
Circuit of Figure 2
4.900
V(Min)
5.100
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
5.0
V
LM2575EP
8V
≤ V
IN
≤ 40V
4.800/4.750
V(Min)
Circuit of Figure 2
5.200/5.250
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
5.0
V
LM2575HVEP
8V
≤ V
IN
≤ 60V
4.800/4.750
V(Min)
Circuit of Figure 2
5.225/5.275
V(Max)
LM2575EP/LM2575HVEP
www.national.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2575NADJ | 制造商:NATIONAL 功能描述:* |
| LM2575N-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 |
| LM2575N-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 |
| LM2575R | 制造商:HTC 制造商全称:HTC Korea TAEJIN Technology Co. 功能描述:1A, 52kHz, Step-Down Switching Regulator |
| LM2575S | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:1A & 3A Miniconverter Switching Regulators |
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