LM2679S-5.0 National Semiconductor, LM2679S-5.0 Datasheet - Page 7

• Manufacturer Part Number: LM2679S-5.0
• Description: SWITCHING REG 5A 5.0V, SMD, 2679
• Manufacturer: National Semiconductor

Specifications of LM2679S-5.0

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 5V
• Output Current: 5A
• 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

Typical Performance Characteristics
A: V
B: Inductor Current, 2 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
A: Output Voltage, 100 mV//div, AC-Coupled.
B: Load Current: 500 mA to 5A Load Pulse
SW
Load Transient Response for Continuous Mode
Pin Voltage, 10 V/div.
L = 10 µH, C
L = 10 µH, C
Continuous Mode Switching Waveforms
Horizontal Time Base: 100 µs/div
V
Horizontal Time Base: 1 µs/div
IN
= 20V, V
Switching Frequency
V
OUT
OUT
IN
= 20V, V
= 400 µF, C
= 400 µF, C
OUT
= 5V, I
OUT
OUT
OUT
= 5V
LOAD
ESR = 13 mΩ
ESR = 13 mΩ
= 5A
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(Continued)
A: V
B: Inductor Current, 1 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 200 mA to 3A Load Pulse
SW
Load Transient Response for Discontinuous Mode
Pin Voltage, 10 V/div.
L = 10 µH, C
L = 10 µH, C
Discontinuous Mode Switching Waveforms
V
IN
Horizontal Time Base: 200 µs/div
Horizontal Time Base: 1 µs//iv
= 20V, V
Feedback Pin Bias Current
V
OUT
OUT
IN
= 20V, V
OUT
= 400 µF, C
= 400 µF, C
= 5V, I
OUT
LOAD
OUT
= 5V,
OUT
ESR = 13 mΩ
ESR = 13 mΩ
= 500 mA
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