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LM2678S-ADJ 数据表(PDF) 6 Page - Texas Instruments

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部件名 LM2678S-ADJ
功能描述  LM2678 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM2678S-ADJ 数据表(HTML) 6 Page - Texas Instruments

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LM2678
SNVS029I – MARCH 2000 – REVISED APRIL 2013
www.ti.com
Typical Performance Characteristics (continued)
Standby Quiescent Current
ON/OFF Threshold Voltage
Figure 10.
Figure 11.
ON/OFF Pin Current (Sourcing)
Switching Frequency
Figure 12.
Figure 13.
Continuous Mode Switching Waveforms
VIN = 20V, VOUT = 5V, ILOAD = 5A
Feedback Pin Bias Current
L = 10
μH, COUT = 400 μF, COUTESR = 13 mΩ
A. VSW Pin Voltage, 10 V/div.
B. Inductor Current, 2 A/div
C. Output Ripple Voltage, 20 mV/div AC-Coupled
Figure 14.
Figure 15. Horizontal Time Base: 1
μs/div
6
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