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ILC6382 Scheda tecnica(PDF) 2 Page - Impala Linear Corporation |
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ILC6382 Scheda tecnica(HTML) 2 Page - Impala Linear Corporation |
2 / 19 page 1-Cell to 3-Cell Boost with True Load Disconnect, 3.3V, 5V, or Adjustable Output Impala Linear Corporation 2 (408) 574-3939 www.impalalinear.com Oct 1999 ILC6382 1.5 Pin Number Pin Name Pin Description 1 Lx Inductor input. Inductor L connected between this pin and the battery 2 VIN Connect directly to battery 3 LBI/SD Low battery detect input and shutdown. Low battery detect threshold is set with this pin using a potential divider. If this pin is pulled to logic low then the device will shutdown. 4 SYNC A logic level signal referenced to VIN, at a frequency between 150kHz and 500kHz on this pin will override the internal 300kHz oscillator. If the SYNC function is unused then pin 4 should be connected to ground 5 POK (ILC6382CIR-XX) This open drain output pin will go high when output voltage is within regulation, 0.92*VOUT (NOM) < VOUT < 0.98*VOUT (NOM) VFB (ILC6382CIR-ADJ) This pin sets the adjustable output voltage via an external resistor divider network. The formula for choosing the resistors is shown in the “Applications Information“ section. 6 LBO This open drain output will go low if the battery voltage is below the low battery threshold set at pin 3 7 GND Connect this pin to the battery and system ground 8 VOUT This is the regulated output voltage Ordering Information* (TA = -40°C to + 85°C) ILC6382CIR-33 3.3V output, MSOP-8 package ILC6382CIR-50 5V output, MSOP-8 package ILC6382CIR-ADJ Adjustable output, MSOP-8 package MSOP (TOP VIEW) ILC6382CIR-XX SYNC LB/SD V IN L X 1 2 3 4 5 6 7 8 V OUT GND LBO POK SYNC LB/SD V IN L X 1 2 3 4 5 6 7 8 V OUT GND LBO V FB MSOP (TOP VIEW) ILC6382CIR-ADJ Pin-Package Configurations Pin Functions ILC6382 |
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