LM2575S-3.3 National Semiconductor, LM2575S-3.3 Datasheet - Page 5

• 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

SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
V
V
η
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
V
Symbol
Symbol
OUT
OUT
OUT
OUT
OUT
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM1575-3.3, LM2575-3.3, LM2575HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
Range .
LM1575-5.0, LM2575-5.0, LM2575HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
Range.
Maximum Supply Voltage
ON /OFF Pin Input Voltage
Output Voltage to Ground
Power Dissipation
Storage Temperature Range
Maximum Junction Temperature
LM1575/LM2575
LM2575HV
(Steady State)
Output Voltage
Output Voltage
LM1575/LM2575
Output Voltage
Output Voltage
LM1575/LM2575
Output Voltage
LM2575HV
Efficiency
Parameter
Parameter
V
Circuit of Figure 2
0.2A
8V
Circuit of Figure 2
V
Circuit of Figure 2
4.75V
Circuit of Figure 2
4.75V
Circuit of Figure 2
V
IN
IN
IN
≤
= 12V, I
= 12V, I
= 12V, I
≤
V
≤
≤
−0.3V
IN
Internally Limited
−65°C to +150°C
I
LOAD
V
V
≤
Conditions
IN
IN
LOAD
40V
LOAD
LOAD
J
J
(Note 1)
≤
≤
≤
≤
= 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, 0.2A
60V, 0.2A
1A,
V
Conditions
= 0.2A
= 0.2A
= 1A
≤
150°C
+V
45V
63V
−1V
IN
≤
≤
I
I
LOAD
LOAD
5
Operating Ratings
≤
≤
Minimum ESD Rating
Lead Temperature
Temperature Range
Supply Voltage
Typ
1A
1A
5.0
5.0
(C = 100 pF, R = 1.5 kΩ)
(Soldering, 10 sec.)
LM1575
LM2575/LM2575HV
LM1575/LM2575
LM2575HV
Typ
3.3
3.3
3.3
75
LM1575-5.0
4.850/4.800
5.150/5.200
(Note 2)
4.950
5.050
Limit
LM1575-3.3
3.200/3.168
3.400/3.432
3.200/3.168
3.416/3.450
(Note 2)
3.267
3.333
Limit
LM2575HV-5.0
LM2575-5.0
4.800/4.750
5.200/5.250
(Note 3)
LM2575HV-3.3
4.900
5.100
Limit
−55°C
−40°C
LM2575-3.3
3.168/3.135
3.432/3.465
3.168/3.135
3.450/3.482
(Note 3)
3.234
3.366
Limit
≤
≤
T
T
J
J
www.national.com
≤
≤
+150°C
+125°C
(Limits)
V(Max)
V(Max)
260°C
V(Min)
V(Min)
(Limits)
Units
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
2 kV
Units
40V
60V
V
V
%
V
V
V