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TPS3779 Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS3779 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 17 page VCC SENSE1 SENSE2 Hysteresis Logic and Control 1.22 V OUT1 OUT2 GND SENSE1 GND SENSE2 VCC OUT1 OUT2 1 2 3 6 5 4 TPS3779 TPS3780 SBVS216B – SEPTEMBER 2012 – REVISED MAY 2013 www.ti.com PIN CONFIGURATION DRY PACKAGE 1.45-mm × 1-mm USON (TOP VIEW) PIN DESCRIPTIONS PIN DESCRIPTION NAME NO. GND 2 Ground OUT2 is the output for SENSE2. OUT2 is asserted (driven low) when the voltage at SENSE2 falls below VIT–. OUT2 is deasserted (goes high) after SENSE2 rises higher than VIT+. OUT2 is a push-pull OUT2 4 output for the TPS3779 and an open-drain output for the TPS3780. The open-drain device (TPS3780) can be pulled up to 6.5 V independent of VCC; a pull-up resistor is required for this device. OUT1 is the output for SENSE1. OUT1 is asserted (driven low) when the voltage at SENSE1 falls below VIT–. OUT1 is deasserted (goes high) after SENSE1 rises higher than VIT+. OUT1 is a push-pull OUT1 5 output for the TPS3779 and an open-drain output for the TPS3780. The open-drain device (TPS3780) can be pulled up to 6.5 V independent of VCC; a pull-up resistor is required for this device. This pin is connected to the voltage to be monitored with the use of an external resistor divider. When SENSE1 1 the voltage at this terminal drops below the threshold voltage (VIT–), OUT1 is asserted. This pin is connected to the voltage to be monitored with the use of an external resistor divider. When SENSE2 3 the voltage at this terminal drops below the threshold voltage (VIT–), OUT2 is asserted. Supply voltage input. Connect a 1.5-V to 6.5-V supply to VCC in order to power the device. It is good VCC 6 analog design practice to place a 0.1-µF ceramic capacitor close to this pin. FUNCTIONAL BLOCK DIAGRAM Figure 1. Block Diagram 4 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: TPS3779 TPS3780 |
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