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LM2576R-ADJ 데이터시트(PDF) 6 Page - HTC Korea TAEJIN Technology Co. |
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LM2576R-ADJ 데이터시트(HTML) 6 Page - HTC Korea TAEJIN Technology Co. |
6 / 11 page 3A, 52kHz, Step-Down Switching Regulator LM2576 Dec 2011 – Rev. 1.3 - 6 - HTC ELECTRICAL CHARACTERISTICS / SYSTEM PARAMETERS ([Note 1] Test Circuit Figure 15) (Unless otherwise specified, Vin = 12V for the 3.3V, 5.0V, and Adjustable version, Vin = 25V for the 12V version. ILoad = 500 mA. For typical values TJ = 25°C, for min/max values TJ is the operating junction temperature range that applies [Note 2], unless otherwise noted.) Characteristics Symbol Min TYP Max Unit LM2576-3.3V ([Note 1] Test Circuit Figure 2) Output Voltage (Vin = 12V, ILOAD=0.5A, TJ=25℃) Vout 3.234 3.3 3.366 V Output Voltage (6.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A Vout V TJ=25℃ 3.168 3.3 3.432 TJ= -40℃ ~ +125℃ 3.135 - 3.465 Efficiency (Vin=12V, ILOAD=3.0A) η - 75 - % LM2576-5.0V ([Note 1] Test Circuit Figure 2) Output Voltage (Vin = 12V, ILOAD=0.5A, TJ=25℃) Vout 4.9 5.0 5.1 V Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A Vout V TJ=25℃ 4.8 5.0 5.2 TJ= -40℃ ~ +125℃ 4.75 - 5.25 Efficiency (Vin=12V, ILOAD=3.0A) η - 77 - % LM2576-12V ([Note 1] Test Circuit Figure 2) Output Voltage (Vin = 25V, ILOAD=0.5A, TJ=25℃) Vout 11.76 12 12.24 V Output Voltage (15V≤Vin≤40V, 0.5A≤ILOAD≤3.0A Vout V TJ=25℃ 11.52 12 12.48 TJ= -40℃ ~ +125℃ 11.4 - 12.6 Efficiency (Vin=25V, ILOAD=3.0A) η - 88 - % LM2576-ADJ ([Note 1] Test Circuit Figure 2) Feedback Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃) Vout 1.217 1.23 1.243 V Feedback Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, Vout=5.0V) Vout V TJ=25℃ 1.193 1.23 1.267 TJ= -40℃ ~ +125℃ 1.18 - 1.28 Efficiency (Vin=12V, ILOAD=3.0A, Vout=5.0V) η - 77 - % 1. External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2576 is used as shown in the Figure 15 test circuit, system performance will be as shown in system parameters section. 2. Tested junction temperature range for the LM2576: Tlow = –40°C Thigh = +125°C |
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