LM2576H National Semiconductor, LM2576H Datasheet - Page 4

• Manufacturer Part Number: LM2576H
• Description: SIMPLE SWITCHER 3A Step-Down Voltage Regulator
• Manufacturer: National Semiconductor

www.national.com
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
LM2576-12, LM2576HV-12
Electrical Characteristics
LM2576-15, LM2576HV-15
Electrical Characteristics
LM2576-ADJ, LM2576HV-ADJ
Electrical Characteristics
Symbol
Specifications with standard type face are for T
Range.
Specifications with standard type face are for T
Range.
Specifications with standard type face are for T
Range.
OUT
OUT
OUT
OUT
OUT
OUT
OUT
Symbol
Symbol
Feedback Voltage
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Parameter
Parameter
Parameter
V
V
Circuit of Figure 2
IN
OUT
V
Circuit of Figure 2
0.5A
15V
Circuit of Figure 2
0.5A
15V
Circuit of Figure 2
V
V
Circuit of Figure 2
0.5A
18V
Circuit of Figure 2
0.5A
18V
Circuit of Figure 2
V
IN
IN
IN
IN
= 12V, I
= 25V, I
= 15V, I
= 25V, I
= 18V, I
= 5V,
J
J
J
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Temperature
V
V
V
V
I
I
I
I
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
IN
LOAD
Conditions
Conditions
LOAD
LOAD
LOAD
LOAD
Conditions
40V
60V
40V
60V
3A,
3A,
3A,
3A,
= 0.5A
= 0.5A
= 3A
= 0.5A
= 3A
4
Typ
Typ
12
12
12
88
15
15
15
88
1.230
LM2576HV-12
LM2576HV-15
Typ
LM2576-12
LM2576-15
LM2576HV-ADJ
LM2576-ADJ
11.52/11.40
12.48/12.60
11.52/11.40
12.54/12.66
14.40/14.25
15.60/15.75
14.40/14.25
15.68/15.83
(Note 2)
(Note 2)
11.76
12.24
14.70
15.30
Limit
Limit
(Note 2)
1.217
1.243
Limit
(Limits)
(Limits)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
(Limits)
Units
Units
V(Max)
V(Min)
Units
%
%
V
V
V
V
V
V
V