LM2576T-12/NOPB National Semiconductor, LM2576T-12/NOPB Datasheet - Page 4
![IC REG SIMPLE SWITCHER TO-220-5](/photos/7/60/76069/pkg_t05a_drawing__14_sml.jpg)
LM2576T-12/NOPB
Manufacturer Part Number
LM2576T-12/NOPB
Description
IC REG SIMPLE SWITCHER TO-220-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2576T-12/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
12V
Current - Output
3A
Frequency - Switching
52kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-5 (Straight Leads)
Current, Input Bias
50 nA
Current, Output
3 A
Current, Supply
5 mA
Frequency, Oscillator
52 kHz
Package Type
TO-220
Regulator Type
Buck (Step-Down)
Resistance, Thermal, Junction To Case
2 °C/W
Temperature, Operating, Range
-40 to +125 °C
Voltage, Input
40 V
Voltage, Output
12 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Other names
*LM2576T-12
*LM2576T-12/NOPB
LM2576T-12
*LM2576T-12/NOPB
LM2576T-12
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2576T-12/NOPB
Manufacturer:
TSC
Quantity:
493
Part Number:
LM2576T-12/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
η
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
η
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
V
V
η
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
perature Range.
LM2576-12, LM2576HV-12
Electrical Characteristics
Specifications with standard type face are for T
Range.
OUT
OUT
OUT
LM2576-15, LM2576HV-15
Electrical Characteristics
Specifications with standard type face are for T
Range.
OUT
OUT
OUT
Symbol
Symbol
Symbol
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Output Voltage
Output Voltage
LM2576
Output Voltage
LM2576HV
Efficiency
Parameter
Parameter
Parameter
V
V
Circuit of Figure 2
0.5A ≤ I
15V ≤ V
Circuit of Figure 2
0.5A ≤ I
15V ≤ V
Circuit of Figure 2
V
V
Circuit of Figure 2
0.5A ≤ I
18V ≤ V
Circuit of Figure 2
0.5A ≤ I
18V ≤ V
Circuit of Figure 2
V
IN
IN
IN
IN
IN
(Continued)
= 12V, I
= 25V, I
= 15V, I
= 25V, I
= 18V, I
J
J
J
= 25˚C, and those with Figure 2 boldface type apply over full Operating Tem-
= 25˚C, and those with boldface type apply over full Operating Temperature
= 25˚C, and those with boldface type apply over full Operating Temperature
LOAD
LOAD
LOAD
LOAD
IN
IN
IN
IN
≤ 40V
≤ 60V
≤ 40V
≤ 60V
Conditions
Conditions
Conditions
LOAD
LOAD
LOAD
LOAD
LOAD
≤ 3A,
≤ 3A,
≤ 3A,
≤ 3A,
= 3A
= 0.5A
= 3A
= 0.5A
= 3A
4
Typ
Typ
Typ
77
12
12
12
88
15
15
15
88
LM2576HV-5.0
LM2576HV-12
LM2576HV-15
LM2576-5.0
LM2576-12
LM2576-15
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
Limit
Limit
Limit
(Limits)
(Limits)
(Limits)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Max)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
V(Min)
Units
Units
Units
%
%
%
V
V
V
V
V
V