전자부품 데이터시트 검색엔진 |
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NCP1522 데이터시트(PDF) 3 Page - ON Semiconductor |
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NCP1522 데이터시트(HTML) 3 Page - ON Semiconductor |
3 / 17 page NCP1522 http://onsemi.com 3 PIN FUNCTION DESCRIPTION Pin No. Symbol Function Description 1 VIN Analog Input Power Supply Input for Analog VCC. 2 GND Analog/Power Ground Ground connection for the NFET Power Stage and the Analog Sections of the IC. 3 EN Digital Input Enable for Switching Regulator. This pin is active high. Do not float this pin. 4 FB Analog Input Feedback voltage from the output of the power supply. This is the input to the error amplifier. 5 LX Analog Output Connection from Power MOSFETs to the Inductor. For one option, an output discharge circuit sinks current from this pin. MAXIMUM RATINGS Rating Symbol Value Unit Minimum Voltage All Pins Vmin −0.3 V Maximum Voltage All Pins (Note 1) Vmax 7.0 V Maximum Voltage Enable, FB, LX Vmax VIN + 0.3 V Thermal Resistance, Junction −to−Air RqJA 200 _C/W Operating Ambient Temperature Range TA −40 to 85 _C Storage Temperature Range Tstg −55 to 150 _C Junction Operating Temperature Tj −40 to 125 _C Latch−up Current Maximum Rating (TA = 85°C) (Note 2) Lu +/−100 mA ESD Withstand Voltage (Note 3) Human Body Model Machine Model Vesd 2.0 200 kV V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. According to JEDEC standard JESD22−A108B. 2. Latchup current maximum rating per JEDEC standard: JESD78. 3. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) per JEDEC standard: JESD22−A114. Machine Model (MM) per JEDEC standard: JESD22−A115. |
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