LM2673SD-5.0/NOPB National Semiconductor, LM2673SD-5.0/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM2673SD-5.0/NOPB
• Description: IC REG SIMPLE SWITCHER 14-LLP
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2673SD-5.0/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 3A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-LLP
• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 3A
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Input Voltage Primary Max: 40V
• Rohs Compliant: Yes
• For Use With: LM2673-5.0EVAL - EVALUATION BOARD FOR LM2673-5.0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2673SD-5.0; LM2673SD-5.0TR

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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