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参数资料
| 型号： | LM2575M-12EP |
| 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： | SOP-24 |
| 文件页数： | 23/26页 |
| 文件大小： | 1069K |
| 代理商： | LM2575M-12EP |
LM2575-5.0EP, LM2575HV-5.0EP
Electrical Characteristics (Note 16) (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
LM2575-5.0EP
Units
(Limits)
LM2575HV-5.0EP
Limit
η
Efficiency
V
IN = 12V, ILOAD =1A
77
%
LM2575-12EP, LM2575HV-12EP
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
LM2575-12EP
Units
(Limits)
LM2575HV-12EP
Limit
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.2A
12
V
Circuit of Figure 2
11.76
V(Min)
12.24
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
12
V
LM2575EP
15V
≤ V
IN
≤ 40V
11.52/11.40
V(Min)
Circuit of Figure 2
12.48/12.60
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
12
V
LM2575HVEP
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 =1A
88
%
LM2575-15EP, LM2575HV-15EP
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
LM2575-15EP
Units
(Limits)
LM2575HV-15EP
Limit
V
OUT
Output Voltage
V
IN = 30V, ILOAD = 0.2A
15
V
Circuit of Figure 2
14.70
V(Min)
15.30
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
15
V
LM2575EP
18V
≤ V
IN
≤ 40V
14.40/14.25
V(Min)
Circuit of Figure 2
15.60/15.75
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
15
V
LM2575HVEP
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 =1A
88
%
LM2575EP/LM2575HVEP
www.national.com
6
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