LM2574-12, LM2574HV-12
Electrical Characteristics
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
SYSTEM PARAMETERS
(Note 3) Test Circuit
Figure 2
V
OUT
Output Voltage
V
IN
= 25V, I
LOAD
= 100 mA
LM2574-12
LM2574HV-12
Limit
(Note 2)
12
11.76
12.24
V
OUT
Output Voltage
LM2574
V
OUT
Output Voltage
LM2574HV
η
Efficiency
V
IN
= 15V, I
LOAD
= 0.5A
88
15V
≤
V
IN
≤
60V, 0.1A
≤
I
LOAD
≤
0.5A
12
11.52/11.40
12.54/12.66
V(Min)
V(Max)
%
15V
≤
V
IN
≤
40V, 0.1A
≤
I
LOAD
≤
0.5A
12
11.52/11.40
12.48/12.60
V
V(Min)
V(Max)
V
V(Min)
V(Max)
Units
(Limits)
LM2574-15, LM2574HV-15
Electrical Characteristics
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
SYSTEM PARAMETERS
(Note 3) Test Circuit
Figure 2
V
OUT
Output Voltage
V
IN
= 30V, I
LOAD
= 100 mA
LM2574-15
LM2574HV-15
Limit
(Note 2)
15
14.70
15.30
V
OUT
Output Voltage
LM2574
V
OUT
Output Voltage
LM2574HV
η
Efficiency
V
IN
= 18V, I
LOAD
= 0.5A
88
18V
≤
V
IN
≤
60V, 0.1A
≤
I
LOAD
≤
0.5A
15
14.40/14.25
15.68/15.83
V(Min)
V(Max)
%
18V
≤
V
IN
≤
40V, 0.1A
≤
I
LOAD
≤
0.5A
15
14.40/14.25
15.60/15.75
V
V(Min)
V(Max)
V
V(Min)
V(Max)
Units
(Limits)
LM2574-ADJ, LM2574HV-ADJ
Electrical Characteristics
Specifications with standard type face are for T
J
= 25˚C, and those with
boldface type
apply over
full Operating Tempera-
ture Range.
Unless otherwise specified, V
IN
= 12V, I
LOAD
= 100 mA.
Symbol
Parameter
Conditions
Typ
SYSTEM PARAMETERS
(Note 3) Test Circuit
Figure 2
V
FB
Feedback Voltage
V
IN
= 12V, I
LOAD
= 100 mA
LM2574-ADJ
LM2574HV-ADJ
Limit
(Note 2)
1.230
1.217
1.243
V
V(Min)
V(Max)
Units
(Limits)
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