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ILC6383CIR33X Fiches technique(PDF) 2 Page - Fairchild Semiconductor |
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ILC6383CIR33X Fiches technique(HTML) 2 Page - Fairchild Semiconductor |
2 / 15 page ILC6383 PRODUCT SPECIFICATION 2 REV. 1.2.6 6/13/02 Pin Assignments Pin Definitions Absolute Maximum Ratings (Note 1) Pin Number Pin Number Pin Description 1LX Inductor input. Inductor L connected between this pin and the battery 2VIN Input Voltage. 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 SEL Select Input. A low logic level signal applied to this pin selects PFM operation mode. If the pin is left open or high logic level is applied, PWM mode is selected. 5 POK (ILC6383CIR-XX) Power Good Output. This open drain output pin will go high when output voltage is within regulation, 0.92*VOUT(NOM) < Vthreshold < 0.98*VOUT(NOM) VFB (ILC6383CIR-ADJ) Feedback Input. 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 Ground of the IC. Connect this pin to the battery and system ground 8VOUT Regulated output voltage. Parameter Symbol Ratings Units Voltage on VOUT pin VOUT -0.3 to 7 V Voltage on LBI, Sync, LBO, POK, VFB, LX and VIN pins - -0.3 to 7 V Peak switch current on LX pin ILX 1A Current on LBO pin ISINK(LBO) 5 mA Continuous total power dissipation at 85˚C PD 315 mW Short circuit current ISC Internally protected (1 sec. duration) A Operating ambient temperature TA -40 to 85 °C Maximum junction temperature TJ(MAX) 150 °C Storage temperature Tstg -40 to 125 °C Lead temperature (soldering 10 sec.) 300 °C Package thermal resistance θJA 206 °C/W MSOP (TOP VIEW) ILC6383CIR-XX SEL LB/SD VIN LX 1 2 3 4 5 6 7 8 VOUT GND LBO POK SEL LB/SD 1 2 3 4 5 6 7 8 GND LBO VFB MSOP (TOP VIEW) ILC6383CIR-ADJ LX VIN VOUT |
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Description similaire - ILC6383CIR33X |
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