LM2673T-ADJ/NOPB National Semiconductor, LM2673T-ADJ/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM2673T-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER TO-220-7
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2673T-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 37 V
• Current - Output: 3A
• Frequency - Switching: 260kHz
• Voltage - Input: 8 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-7 (Bent and Staggered Leads)
• Current, Input Bias: 85 nA
• Current, Output: 3 A
• Current, Supply: 4.2 mA
• Frequency, Oscillator: 260 kHz
• Package Type: TO-220
• Regulator Type: Buck, Switching
• Resistance, Thermal, Junction To Case: 2 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Input: 8 to 40 V
• Voltage, Output: 1.2 to 37 V
• For Use With: LM2673-5.0EVAL - EVALUATION BOARD FOR LM2673-5.0
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2673T-ADJ; *LM2673T-ADJ/NOPB; LM2673T-ADJ

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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