LM2574N-3.3/NOPB National Semiconductor, LM2574N-3.3/NOPB Datasheet - Page 9
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LM2574N-3.3/NOPB
Manufacturer Part Number
LM2574N-3.3/NOPB
Description
IC REG SW 3.3V 500MA STPDN 8-DIP
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2574MX-ADJNOPB.pdf
(24 pages)
Specifications of LM2574N-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
500mA
Frequency - Switching
52kHz
Voltage - Input
4.75 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Power - Output
750mW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*LM2574N-3.3
*LM2574N-3.3/NOPB
LM2574N-3.3
*LM2574N-3.3/NOPB
LM2574N-3.3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2574N-3.3/NOPB
Manufacturer:
TI
Quantity:
1 500
Block Diagram
DS011394-10
R1 = 1k
3.3V, R2 = 1.7k
5V, R2 = 3.1k
12V, R2 = 8.84k
15V, R2 = 11.3k
For Adj. Version
R1 = Open, R2 = 0
Note: Pin numbers are for the 8-pin DIP package.
FIGURE 1.
9
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