LM2675-5.0EVAL National Semiconductor, LM2675-5.0EVAL Datasheet - Page 9

• Manufacturer Part Number: LM2675-5.0EVAL
• Description: EVALUATION BOARD FOR LM2675-5.0
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r

Specifications of LM2675-5.0EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 5V
• Current - Output: 1A
• Voltage - Input: 8 ~ 40V
• Regulator Topology: Buck
• Frequency - Switching: 260kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2675
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2675-5.0EVAL; *LM2675-5.0EVAL/NOPB; LM2675-5.0EVAL/NOPB

Test Circuit and Layout Guidelines
C
C
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 µH Sumida # RCR110D-680L
C
C
C
D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F
L1 - 68 µH Sumida # RCR110D-680L
R1 - 1.5 kΩ, 1%
C
For a 5V output, select R2 to be 4.75 kΩ, 1%
where V
Use a 1% resistor for best stability.
IN
OUT
B
IN
OUT
B
- 0.01 µF, 50V Ceramic
- 0.01 µF, 50V Ceramic
- 22 µF, 50V Tantalum, Sprague “199D Series”
- 22 µF, 50V Tantalum, Sprague “199D Series”
- 47 µF, 25V Tantalum, Sprague “595D Series”
- 47 µF, 25V Tantalum, Sprague “595D Series”
REF
= 1.21V
FIGURE 2. Standard Test Circuits and Layout Guides
FIGURE 3. Standard Test Circuits and Layout Guides
Adjustable Output Voltage Version
Fixed Output Voltage Versions
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