lm2679sx-3.3 National Semiconductor Corporation, lm2679sx-3.3 Datasheet - Page 8

• Manufacturer Part Number: lm2679sx-3.3
• Description: Simple Switcher 5a Step-down Voltage Regulator With Adjustable Current Limit
• Manufacturer: National Semiconductor Corporation

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A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 5A Load Pulse
Block Diagram
* Active Inductor Patent Number 5,514,947
† Active Capacitor Patent Number 5,382,918
Load Transient Response for Continuous Mode
L = 10 μH, C
Horizontal Time Base: 100 μs/div
V
OUT
IN
= 20V, V
= 400 μF, C
OUT
OUT
= 5V
ESR = 13 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
V
OUT
IN
= 20V, V
= 400 μF, C
OUT
= 5V,
OUT
ESR = 13 mΩ
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