參數(shù)資料
型號(hào)： LM2597HV
廠商： National Semiconductor Corporation
文件頁(yè)數(shù)： 32/34頁(yè)
文件大小： 900K
代理商： LM2597HV
Application Information
(Continued)
TYPICAL SURFACE MOUNT PC BOARD LAYOUT, FIXED OUTPUT (2X size)
DS012440-54
C
IN
C
OUT
D1
L1
C
SS
C
D
R3
— 10 μF, 35V, Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
— 100 μF, 10V Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
— 1A, 40V Surface Mount Schottky Rectifier
— Surface Mount Inductor, Coilcraft DO33
— Soft-start Capacitor (surface mount ceramic chip capacitor)
— Delay Capacitor (surface mount ceramic chip capacitor)
— Error Flag Pullup Resistor (surface mount chip resistor)
TYPICAL SURFACE MOUNT PC BOARD LAYOUT, ADJUSTABLE OUTPUT (2X size)
DS012440-55
C
IN
C
OUT
— 68 μF, 20V Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
D1
— 1A, 40V Surface Mount Schottky Rectifier
L1
— Surface Mount Inductor, Coilcraft DO33
C
SS
— Soft-start Capacitor (surface mount ceramic chip capacitor)
C
D
— Delay Capacitor (surface mount ceramic chip capacitor)
CFF
— Feedforward Capacitor (surface mount ceramic chip capacitor)
R1
— Output Voltage Program Resistor (surface mount chip resistor)
R2
— Output Voltage Program Resistor (surface mount chip resistor)
R3
— Error Flag Pullup Resistor (surface mount chip resistor)
— 10 μF, 35V, Solid Tantalum, AVX, “TPS Series” (surface mount, “D” size)
FIGURE 35. 2X Printed Circuit Board Layout
L
www.national.com
32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2597HVM-12 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2597HVM-12/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2597HVM-12/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter IC
LM2597HVM-3.3 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2597HVM-3.3/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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