LM2675-5.0EVAL National Semiconductor, LM2675-5.0EVAL Datasheet - Page 8

• Manufacturer Part Number: LM2675-5.0EVAL
• Description: EVALUATION BOARD FOR LM2675-5.0
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r

Specifications of LM2675-5.0EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 5V
• Current - Output: 1A
• Voltage - Input: 8 ~ 40V
• Regulator Topology: Buck
• Frequency - Switching: 260kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2675
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2675-5.0EVAL; *LM2675-5.0EVAL/NOPB; LM2675-5.0EVAL/NOPB

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Typical Performance Characteristics
A: V
B: Inductor Current, 0.5 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 1A Load Pulse
SW
Load Transient Response for Continuous Mode
Pin Voltage, 10 V/div.
L = 47 µH, C
L = 47 µH, C
Continuous Mode Switching Waveforms
V
V
Horizontal Time Base: 50 µs/div
Horizontal Time Base: 1 µs/div
IN
IN
= 20V, V
= 20V, V
OUT
OUT
= 68 µF, C
= 68 µF, C
OUT
OUT
= 5V, I
= 5V, I
OUT
OUT
LOAD
LOAD
ESR = 50 mΩ
ESR = 50 mΩ
= 1A
= 1A
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(Circuit of Figure 2)
A: V
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
A: Output Voltage, 100 mV/div, AC-Coupled.
B: Load Current: 100 mA to 400 mA Load Pulse
SW
Load Transient Response for Discontinuous Mode
L = 15 µH, C
Pin Voltage, 10 V/div.
L = 47 µH, C
Discontinuous Mode Switching Waveforms
V
IN
Horizontal Time Base: 200 µs/div
Horizontal Time Base: 1 µs/div
= 20V, V
OUT
V
OUT
IN
= 68 µF (2x), C
= 20V, V
OUT
= 68 µF, C
= 5V, I
OUT
LOAD
OUT
= 5V,
OUT
ESR = 50 mΩ
= 300 mA
ESR = 25 mΩ
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