LM2574-12YN Micrel Inc, LM2574-12YN Datasheet - Page 7
![0.5A Step-Down SMPS Regulator ( )](/photos/7/39/73990/576-8-dip_sml.jpg)
LM2574-12YN
Manufacturer Part Number
LM2574-12YN
Description
0.5A Step-Down SMPS Regulator ( )
Manufacturer
Micrel Inc
Type
Step-Down (Buck)r
Datasheet
1.LM2574-5.0YN.pdf
(8 pages)
Specifications of LM2574-12YN
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
12V
Current - Output
500mA
Frequency - Switching
52kHz
Voltage - Input
4.75 ~ 40 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2574-12YN
Manufacturer:
MicrelInc
Quantity:
2 000
Block Diagrams
July 2005
LM2574
F EED -
BACK
V IN
1
4
Note: Pin numbers are for the TO-220 package
REFERENCE
BAND-GAP
1.23V
3.1k
1.0k
+
-
FIXED GAIN
E R R OR A M P
OSCILLATOR
Fixed Regulator
52 kHz
+
-
REGULATOR
COM PARAT OR
INTERNAL
RESET
SHUTDOWN
THERMAL
ON/OFF
DRIVER
CURRENT
LIMIT
1/2 AMP
SW ITCH
5
2
3
ON/OFF
OUTPUT
GND
7
F EED -
BACK
V IN
1
4
REFERENCE
BAND-GAP
1.23V
+
-
FIXED GAIN
E R R OR A M P
OSCILLATOR
52 kHz
Adjustable Regulator
+
-
REGULATOR
COM PARAT OR
INTERNAL
RESET
SHUTDOWN
THERMAL
ON/OFF
DRIVER
CURRENT
LIMIT
1/2 AMP
SW ITCH
M9999-072805
Micrel, Inc.
5
2
3
ON/OFF
OUTPUT
GND