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LM2575EP 数据表(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM2575EP
功能描述  SIMPLE SWITCHER 1A Step-Down Voltage Regulator
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM2575EP 数据表(HTML) 6 Page - National Semiconductor (TI)

Back Button LM2575EP Datasheet HTML 2Page - National Semiconductor (TI) LM2575EP Datasheet HTML 3Page - National Semiconductor (TI) LM2575EP Datasheet HTML 4Page - National Semiconductor (TI) LM2575EP Datasheet HTML 5Page - National Semiconductor (TI) LM2575EP Datasheet HTML 6Page - National Semiconductor (TI) LM2575EP Datasheet HTML 7Page - National Semiconductor (TI) LM2575EP Datasheet HTML 8Page - National Semiconductor (TI) LM2575EP Datasheet HTML 9Page - National Semiconductor (TI) LM2575EP Datasheet HTML 10Page - National Semiconductor (TI) Next Button
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LM2575-5.0EP, LM2575HV-5.0EP
Electrical Characteristics (Note 16) (Continued)
Specifications with standard type face are for T
J = 25˚C, 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
(Note 5)
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 = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM2575-12EP
Units
(Limits)
LM2575HV-12EP
Limit
(Note 5)
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 2
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 = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM2575-15EP
Units
(Limits)
LM2575HV-15EP
Limit
(Note 5)
SYSTEM PARAMETERS (Note 6) Test Circuit Figure 2
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
%
www.national.com
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