LM2574HVM-3.3/NOPB National Semiconductor, LM2574HVM-3.3/NOPB Datasheet - Page 9
![IC REG SIMPLE SWITCHER 14-SOIC](/photos/6/60/66091/pkg_m14b_sml.jpg)
LM2574HVM-3.3/NOPB
Manufacturer Part Number
LM2574HVM-3.3/NOPB
Description
IC REG SIMPLE SWITCHER 14-SOIC
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2574MX-ADJNOPB.pdf
(24 pages)
Specifications of LM2574HVM-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 ~ 60 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (7.5mm Width)
Power - Output
750mW
No. Of Outputs
1
Output Voltage
57V
Output Current
500mA
No. Of Pins
14
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Input Voltage Primary Max
60V
Leaded Process Compatible
Yes
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*LM2574HVM-3.3
*LM2574HVM-3.3/NOPB
LM2574HVM-3.3
*LM2574HVM-3.3/NOPB
LM2574HVM-3.3
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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