LM2576S-ADJ/NOPB National Semiconductor, LM2576S-ADJ/NOPB Datasheet - Page 3
LM2576S-ADJ/NOPB
Manufacturer Part Number
LM2576S-ADJ/NOPB
Description
IC REG SIMPLE SWITCHER TO-263-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2576T-5.0NOPB.pdf
(24 pages)
Specifications of LM2576S-ADJ/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.23 ~ 37 V
Current - Output
3A
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)
Dc To Dc Converter Type
Inverting/Step Down
Pin Count
5 +Tab
Input Voltage
40V
Output Voltage
1.23 to 37V
Switching Freq
47 TO 58KHz
Output Current
3A
Efficiency
77%
Package Type
TO-263
Output Type
Adjustable
Switching Regulator
Yes
Mounting
Surface Mount
Input Voltage (min)
4V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Primary Input Voltage
40V
No. Of Outputs
1
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
-
Lead Free Status / Rohs Status
Compliant
Other names
*LM2576S-ADJ
*LM2576S-ADJ/NOPB
LM2576S-ADJ
*LM2576S-ADJ/NOPB
LM2576S-ADJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2576S-ADJ/NOPB
Manufacturer:
TI
Quantity:
25
Part Number:
LM2576S-ADJ/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
η
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM2576-3.3, LM2576HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
Range.
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
perature Range.
OUT
OUT
OUT
OUT
OUT
OUT
Symbol
Maximum Supply Voltage
ON /OFF Pin Input Voltage
Output Voltage to Ground
Power Dissipation
Storage Temperature Range
Maximum Junction Temperature
Symbol
LM2576
LM2576HV
(Steady State)
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Parameter
Parameter
V
Circuit of Figure 2
6V ≤ V
Circuit of Figure 2
6V ≤ V
Circuit of Figure 2
V
IN
IN
−0.3V ≤ V ≤ +V
Internally Limited
−65˚C to +150˚C
V
Circuit of Figure 2
0.5A ≤ I
8V ≤ V
Circuit of Figure 2
0.5A ≤ I
8V ≤ V
Circuit of Figure 2
= 12V, I
= 12V, I
IN
IN
IN
= 12V, I
(Note 1)
J
J
≤ 40V, 0.5A ≤ I
≤ 60V, 0.5A ≤ I
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with Figure 2 boldface type apply over full Operating Tem-
IN
IN
LOAD
LOAD
LOAD
LOAD
≤ 40V
≤ 60V
150˚C
Conditions
LOAD
Conditions
−1V
45V
63V
≤ 3A,
≤ 3A,
= 0.5A
= 3A
IN
= 0.5A
LOAD
LOAD
3
Operating Ratings
Minimum ESD Rating
Lead Temperature
Temperature Range
Supply Voltage
≤ 3A
≤ 3A
(C = 100 pF, R = 1.5 kΩ)
(Soldering, 10 Seconds)
LM2576/LM2576HV
LM2576
LM2576HV
Typ
5.0
5.0
5.0
LM2576HV-5.0
Typ
3.3
3.3
3.3
75
LM2576-5.0
LM2576HV-3.3
LM2576-3.3
4.800/4.750
5.200/5.250
4.800/4.750
5.225/5.275
(Note 2)
3.168/3.135
3.432/3.465
3.168/3.135
3.450/3.482
4.900
5.100
Limit
(Note 2)
Limit
3.234
3.366
−40˚C ≤ T
J
www.national.com
≤ +125˚C
(Limits)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
(Limits)
Units
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
Units
260˚C
V
V
V
2 kV
%
V
V
V
40V
60V