LM2575S-3.3 National Semiconductor, LM2575S-3.3 Datasheet - Page 6

• Manufacturer Part Number: LM2575S-3.3
• Description: IC REG SIMPLE SWITCHER TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2575S-3.3

• 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)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: *LM2575S-3.3

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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