LM2575S-3.3/NOPB National Semiconductor, LM2575S-3.3/NOPB Datasheet - Page 6
LM2575S-3.3/NOPB
Manufacturer Part Number
LM2575S-3.3/NOPB
Description
IC REG SIMPLE SWITCHER TO-263-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2575S-5.0NOPB.pdf
(28 pages)
Specifications of LM2575S-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
1A
Frequency - Switching
52kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
3.3V
Output Current
1A
No. Of Pins
5
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2575S-3.3/NOPB
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
www.national.com
V
η
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
V
V
η
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
V
V
η
Symbol
Symbol
Symbol
OUT
OUT
OUT
OUT
OUT
OUT
OUT
LM1575-12, LM2575-12, LM2575HV-12
Electrical Characteristics
Specifications with standard type face are for T
Range .
LM1575-15, LM2575-15, LM2575HV-15
Electrical Characteristics
Specifications with standard type face are for T
Range .
Output Voltage
LM2575HV
Efficiency
Output Voltage
Output Voltage
LM1575/LM2575
Output Voltage
LM2575HV
Efficiency
Output Voltage
Output Voltage
LM1575/LM2575
Output Voltage
LM2575HV
Efficiency
Parameter
Parameter
Parameter
0.2A
8V
Circuit of Figure 2
V
V
Circuit of Figure 2
0.2A
18V
Circuit of Figure 2
0.2A
18V
Circuit of Figure 2
V
V
Circuit of Figure 2
0.2A
15V
Circuit of Figure 2
0.2A
15V
Circuit of Figure 2
V
IN
IN
IN
IN
IN
≤
= 12V, I
= 30V, I
= 18V, I
= 25V, I
= 15V, I
≤
≤
≤
V
≤
≤
≤
≤
≤
≤
IN
V
V
I
I
I
V
V
LOAD
I
I
LOAD
LOAD
IN
IN
LOAD
LOAD
≤
IN
IN
Conditions
Conditions
≤
≤
Conditions
60V
LOAD
≤
≤
J
J
LOAD
LOAD
LOAD
LOAD
≤
40V
60V
= 25°C, and those with boldface type apply over full Operating Temperature
= 25°C, and those with boldface type apply over full Operating Temperature
≤
≤
40V
60V
≤
≤
1A,
1A,
1A,
1A,
1A,
= 1A
= 0.2A
= 1A
= 0.2A
= 1A
6
Typ
Typ
5.0
77
15
15
15
88
Typ
12
12
12
88
15.525/15.675
LM1575-5.0
4.850/4.800
5.175/5.225
14.55/14.40
15.45/15.60
14.55/14.40
LM1575-15
11.64/11.52
12.36/12.48
11.64/11.52
12.42/12.54
LM1575-12
(Note 2)
(Note 2)
(Note 2)
Limit
14.85
15.15
Limit
11.88
12.12
Limit
LM2575HV-5.0
LM2575HV-12
LM2575HV-15
11.52/11.40
12.48/12.60
11.52/11.40
12.54/12.66
LM2575-5.0
4.800/4.750
5.225/5.275
LM2575-12
14.40/14.25
15.60/15.75
14.40/14.25
15.68/15.83
LM2575-15
(Note 3)
(Note 3)
(Note 3)
Limit
11.76
12.24
Limit
14.70
15.30
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
V
V