LM2576/LM2576HV
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics
(Continued)
Specifications with standard type face are for T
J
= 25˚C, and those with
boldface type
apply over full Operating Tem-
perature Range.
Symbol
Parameter
Conditions
Typ
SYSTEM PARAMETERS
Test Circuit
η
Efficiency
V
IN
= 12V, I
LOAD
= 3A
77
%
LM2576-5.0
LM2576HV-5.0
Limit
Units
(Limits)
LM2576-12, LM2576HV-12
Electrical Characteristics
Specifications with standard type face are for T
J
= 25˚C, and those with
boldface type
apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
Typ
SYSTEM PARAMETERS
Test Circuit
V
OUT
Output Voltage
V
IN
= 25V, I
LOAD
= 0.5A
Circuit of
V
OUT
Output Voltage
LM2576
V
OUT
Output Voltage
LM2576HV
η
Efficiency
0.5A
≤
I
LOAD
≤
3A,
15V
≤
V
IN
≤
40V
Circuit of
0.5A
≤
I
LOAD
≤
3A,
15V
≤
V
IN
≤
60V
Circuit of
V
IN
= 15V, I
LOAD
= 3A
88
12
11.52/11.40
12.54/12.66
12
11.52/11.40
12.48/12.60
12
11.76
12.24
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
LM2576-12
LM2576HV-12
Limit
Units
(Limits)
LM2576-15, LM2576HV-15
Electrical Characteristics
Specifications with standard type face are for T
J
= 25˚C, and those with
boldface type
apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
Typ
SYSTEM PARAMETERS
Test Circuit
V
OUT
Output Voltage
V
IN
= 25V, I
LOAD
= 0.5A
Circuit of
V
OUT
Output Voltage
LM2576
V
OUT
Output Voltage
LM2576HV
η
Efficiency
0.5A
≤
I
LOAD
≤
3A,
18V
≤
V
IN
≤
40V
Circuit of
0.5A
≤
I
LOAD
≤
3A,
18V
≤
V
IN
≤
60V
Circuit of
V
IN
= 18V, I
LOAD
= 3A
88
15
14.40/14.25
15.68/15.83
15
14.40/14.25
15.60/15.75
15
14.70
15.30
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
LM2576-15
LM2576HV-15
Limit
Units
(Limits)
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