LM2672N-5.0 National Semiconductor, LM2672N-5.0 Datasheet - Page 9

• Manufacturer Part Number: LM2672N-5.0
• Description: SWITCHING REG 1A 5.0V, 2672, DIP8
• Manufacturer: National Semiconductor

Specifications of LM2672N-5.0

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 5V
• Output Current: 1A
• Voltage Regulator Case Style: DIP
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Supply Voltage Range: 6.5V To 40V
• Output Voltage Min: 1.23V
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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 Versions
Fixed Output Voltage Versions
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