LM25574BLDT National Semiconductor, LM25574BLDT Datasheet - Page 3

• Manufacturer Part Number: LM25574BLDT
• Description: WEBENCH BUILD IT BOARD LM25574
• Manufacturer: National Semiconductor
• Series: WEBENCH®, PowerWise®, SIMPLE SWITCHER®r

Specifications of LM25574BLDT

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.23 ~ 40V
• Current - Output: 500mA
• Voltage - Input: 6 ~ 42V
• Regulator Topology: Buck
• Board Type: Partially Populated - Main IC Only
• Utilized Ic / Part: LM25574
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

C3 (CRAMP)
C5 (Ccomp)
R4 (Rcomp)
C6 (Cboot)
C7 (Cbyp)
SCH REF
C2 (Cout)
R1 (Rfb1)
R2 (Rfb2)
C4 (Css)
C1 (Cin)
R3 (Rt)
D1
U1
L1
C2012X7R1C474M
C2012X7R2A103K
C2012X7R2A223K
PART NUMBER
COMPENSATION CAP
OUTPUT CAPACITOR
Feedback RESISTOR
Feedback RESISTOR
INPUT CAPACITOR
RAMP CAPACITOR
SCHOTTKY DIODE
TIMING RESISTOR
CAPACITOR, TDK
CAPACITOR, TDK
CAPACITOR, TDK
COMPENSATION
DESCRIPTION
REGULATOR,
INDUCTOR
RESISTOR
NATIONAL
3
0.47µ, 16V
VALUE
0.022µ
0.01µ
WORK SHEET REF
[12]
[13]
[15]
[11]
[10]
[14]
[8]
[7]
[9]
[6]
[4]
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