LM2576 Series
Electrical Characteristics LM2576 -12, LM2576HV-12
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
LM2576-12
LM2576HV-12
Typ
SYSTEM PARAMETERS
(Note 3)
Test Circuit
Figure 2
V
OUT
Output Voltage
V
IN
=25V, I
LOAD
=0.5A
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A,
15V
≤
V
IN
≤
40V
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A,
15V
≤
V
IN
≤
60V
Circuit of
Figure 2
V
IN
=15V, I
LOAD
=3A
12
11.76
12.24
11.52/11.40
12.48/12.60
11.52/11.40
12.54/12.66
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
Limit(Note
2)
Units
(Limits)
V
OUT
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
12
V
OUT
12
η
88
Electrical Characteristics LM2576 -15, LM2576HV-15
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
LM2576-15
LM2576HV-15
Typ
SYSTEM PARAMETERS
(Note 3)
Test Circuit
Figure 2
V
OUT
Output Voltage
V
IN
=25, I
LOAD
=0.5A
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A,
18≤ V
IN
≤
40V
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A,
18
≤
V
IN
≤
60V
Circuit of
Figure 2
V
IN
=18V, I
LOAD
=3A
15
14.70
15.30
14.40/14.25
15.60/15.75
14.40/14.25
15.68/15.83
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
Limit
(Note 2)
Units
(Limits)
V
OUT
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
15
V
OUT
15
η
88
Electrical Characteristics LM2576-ADJ, LM2576HV-ADJ
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
LM2576-ADJ
LM2576HV-ADJ
Typ
SYSTEM PARAMETERS
(Note 3)
Test Circuit
Figure 2
V
OUT
Feedback Voltage
V
IN
=12V, I
LOAD
=0.5A,
V
OUT
=5V
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A , 8V
≤
V
IN
≤
40V V
OUT
=5V
Circuit of
Figure 2
0.5A
≤
I
LOAD
≤
3A, 8V
≤
V
IN
≤
60V, V
OUT
=5V
Circuit of
Figure 2
V
IN
=12V, I
LOAD
=3A, V
OUT
=5V
1.230
1.217
1.243
1.193/1.180
1.267/1.280
1.193/1.180
1.273/1.286
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
Limit(Note
2)
Units
(Limits)
V
OUT
Feedback Voltage
LM2576
Feedback Voltage
LM2576HV
Efficiency
1.230
V
OUT
1.230
η
77
TIGER ELECTRONICS CO.,LTD
4
TGS [ Tiger Electronic Co.,Ltd ]
