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LM3410XMY 데이터시트(PDF) 3 Page - Texas Instruments |
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LM3410XMY 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 49 page LM3410, LM3410Q www.ti.com SNVS541G – OCTOBER 2007 – REVISED MAY 2013 Table 3. Pin Descriptions - 8-Pin MSOP-PowerPad Pin Name Function 1 - No Connect 2 PGND Power ground pin. Place PGND and output capacitor GND close together. 3 VIN Supply voltage for power stage, and input supply voltage. Dimming and shutdown control input. Logic high enables operation. Duty Cycle from 0 to 100%. Do not allow this pin 4 DIM to float or be greater than VIN + 0.3V. 5 FB Feedback pin. Connect FB to external resistor divider to set output voltage. 6 AGND Signal ground pin. Place the bottom resistor of the feedback network as close as possible to this pin and pin 5 7 SW Output switch. Connect to the inductor, output diode. 8 - No Connect Signal and Power ground. Connect to pin 2 and pin 6 on top layer. Place 4-6 vias from DAP to bottom layer GND DAP GND plane. These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) VIN -0.5V to 7V SW Voltage -0.5V to 26.5V FB Voltage -0.5V to 3.0V DIM Voltage -0.5V to 7.0V ESD Susceptibility (3) Human Body Model 2kV Junction Temperature (4) 150°C Storage Temp. Range -65°C to 150°C Soldering Information Infrared/Convection Reflow (15sec) 220°C (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (3) The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. Test method is per JESD22-A114. (4) Thermal shutdown will occur if the junction temperature exceeds the maximum junction temperature of the device. Operating Ratings (1) VIN 2.7V to 5.5V VDIM (2) 0V to VIN VSW 3V to 24V Junction Temperature Range -40°C to 125°C Power Dissipation (Internal) SOT-23 400 mW (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions, see the Electrical Characteristics. (2) Do not allow this pin to float or be greater than VIN +0.3V. Copyright © 2007–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM3410 LM3410Q |
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