LM2576T-3.3/NOPB National Semiconductor, LM2576T-3.3/NOPB Datasheet - Page 8
![IC REG SIMPLE SWITCHER TO-220-5](/photos/7/60/76069/pkg_t05a_drawing__14_sml.jpg)
LM2576T-3.3/NOPB
Manufacturer Part Number
LM2576T-3.3/NOPB
Description
IC REG SIMPLE SWITCHER TO-220-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2576T-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
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
3.3 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-3.3
*LM2576T-3.3/NOPB
LM2576T-3.3FS
LM2576T-3.3FS
LM2576T-3.3NS
*LM2576T-3.3/NOPB
LM2576T-3.3FS
LM2576T-3.3FS
LM2576T-3.3NS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2576T-3.3/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
www.national.com
Typical Performance Characteristics
Minimum Operating Voltage
Quiescent Current
vs Duty Cycle
Efficiency
01147635
01147637
01147636
(Circuit of Figure 2) (Continued)
8
Minimum Operating Voltage
Quiescent Current
Feedback Voltage
vs Duty Cycle
vs Duty Cycle
01147636
01147638
01147637