LM2574M-3.3 National Semiconductor, LM2574M-3.3 Datasheet - Page 4

• Manufacturer Part Number: LM2574M-3.3
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2574M-3.3

• Input Voltage: 40V
• Output Voltage: 3.3V
• No. Of Pins: 14
• Mounting Type: Surface Mount
• Output Current Max: 0.5A
• Peak Reflow Compatible (260 C): No
• Supply Voltage Max: 40V
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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
Symbol
Symbol
Symbol
LM2574-12, LM2574HV-12
Electrical Characteristics
Specifications with standard type face are for T
ture Range.
LM2574-15, LM2574HV-15
Electrical Characteristics
Specifications with standard type face are for T
ture Range.
LM2574-ADJ, LM2574HV-ADJ
Electrical Characteristics
Specifications with standard type face are for T
ture Range. Unless otherwise specified, V
OUT
OUT
OUT
OUT
OUT
OUT
FB
Output Voltage
Output Voltage
LM2574
Output Voltage
LM2574HV
Efficiency
Output Voltage
Output Voltage
LM2574
Output Voltage
LM2574HV
Efficiency
Feedback Voltage
Parameter
Parameter
Parameter
V
15V
15V
V
V
18V
18V
V
V
IN
IN
IN
IN
IN
= 25V, I
= 15V, I
= 30V, I
= 18V, I
= 12V, I
V
V
V
V
IN
IN
IN
IN
IN
= 12V, I
LOAD
LOAD
LOAD
LOAD
LOAD
40V, 0.1A
60V, 0.1A
40V, 0.1A
60V, 0.1A
J
J
J
= 25˚C, and those with boldface type apply over full Operating Tempera-
= 25˚C, and those with boldface type apply over full Operating Tempera-
= 25˚C, and those with boldface type apply over full Operating Tempera-
Conditions
Conditions
Conditions
= 100 mA
= 0.5A
= 100 mA
= 0.5A
= 100 mA
LOAD
= 100 mA.
I
I
I
I
LOAD
LOAD
LOAD
LOAD
4
0.5A
0.5A
0.5A
0.5A
1.230
Typ
Typ
Typ
12
12
12
88
15
15
15
88
LM2574HV-ADJ
LM2574HV-12
LM2574HV-15
LM2574-ADJ
LM2574-12
LM2574-15
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)
(Note 2)
11.76
12.24
14.70
15.30
1.217
1.243
Limit
Limit
Limit
(Limits)
(Limits)
(Limits)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
Units
Units
Units
%
%
V
V
V
V
V