LM2673S-3.3 National Semiconductor, LM2673S-3.3 Datasheet - Page 7

• Manufacturer Part Number: LM2673S-3.3
• Description: IC, BUCK, REG, 3A, 7TO263
• Manufacturer: National Semiconductor

Specifications of LM2673S-3.3

• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 3A
• Voltage Regulator Case Style: TO-263
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 3A Load Pulse
Load Transient Response for Continuous Mode
L = 33 μH, C
Horizontal Time Base: 100 μs/div
Switching Frequency
V
OUT
IN
= 20V, V
= 200 μF, C
OUT
OUT
= 5V
ESR = 26 mΩ
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A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 3A Load Pulse
Load Transient Response for Discontinuous Mode
L = 10 μH, C
Horizontal Time Base: 200 μs/div
Feedback Pin Bias Current
V
OUT
IN
= 20V, V
= 400 μF, C
OUT
= 5V,
OUT
ESR = 13 mΩ
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