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

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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

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

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

This pin is connected to the voltage to be monitored with the use of an external resistor divider. When

SENSE2

3

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

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