LM25574EVAL National Semiconductor, LM25574EVAL Datasheet - Page 18

BOARD EVALUATION FOR LM25574

LM25574EVAL

Manufacturer Part Number
LM25574EVAL
Description
BOARD EVALUATION FOR LM25574
Manufacturer
National Semiconductor
Series
PowerWise®, SIMPLE SWITCHER®r
Datasheets

Specifications of LM25574EVAL

Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
5V
Current - Output
500mA
Voltage - Input
7 ~ 42V
Regulator Topology
Buck
Frequency - Switching
300kHz
Board Type
Fully Populated
Utilized Ic / Part
LM25574
Lead Free Status / RoHS Status
Not applicable / Not applicable
Power - Output
-
Other names
*LM25574EVAL
www.national.com
C
C
C
C
C
C
C
C
C
D
R
R
R
R
R
R
U
L
ITEM
1
2
3
4
5
6
7
8
9
1
1
1
2
3
4
5
6
1
C3225X7R2A105M
OPEN
C0805A471K1GAC
C2012X7R2A103K
C2012X7R2A223K
OPEN
C2012X7R2A223K
C2012X7R1C474M
C3225X7R1C226M
CMSH2-60M
DR74-101
OPEN
OPEN
CRCW08052102F
CRCW08052492F
CRCW08055111F
CRCW08051651F
LM25574
PART NUMBER
TABLE 1. 5V, 0.5A Demo Board Bill of Materials
CAPACITOR, CER, TDK
NOT USED
CAPACITOR, CER, KEMET
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
NOT USED
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
CAPACITOR, CER, TDK
DIODE, 60V, CENTRAL
INDUCTOR, COOPER
NOT USED
NOT USED
RESISTOR
RESISTOR
RESISTOR
RESISTOR
REGULATOR, NATIONAL SEMICONDUCTOR
18
DESCRIPTION
0.022µ, 100V
0.022µ, 100V
0.01µ, 100V
470p, 100V
0.47µ, 16V
1µ, 100V
22µ, 16V
VALUE
24.9kΩ
5.11kΩ
1.65kΩ
100µH
21kΩ

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