Low-Voltage, High-Accuracy, Quad Window

Voltage Detectors in Thin QFN

6

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Pin Description

PIN

NAME

FUNCTION

1

1

UVIN3

Undervoltage Threshold Input 3. When the voltage on UVIN3 falls below its threshold, UVOUT3

asserts low.

2

2

OVIN3

Overvoltage Threshold Input 3. When the voltage on OVIN3 rises above its threshold, OVOUT3

asserts low.

3

3

UVIN4

Undervoltage Threshold Input 4. When the voltage on UVIN4 falls below its threshold, UVOUT4

asserts low.

4

4

OVIN4

Overvoltage Threshold Input 4. When the voltage on OVIN4 rises above its threshold, OVOUT4

asserts low.

5

6

GND

Ground

6,

20

7,

24

Unmonitored Power to the Device

78

UVOUT3

Active-Low Undervoltage Output 3. When the voltage at UVIN3 falls below its threshold, UVOUT3

asserts low and stays asserted until the voltage at UVIN3 exceeds its threshold. The open-drain

89

OVOUT3

Active-Low Overvoltage Output 3. When the voltage at OVIN3 rises above its threshold, OVOUT3

asserts low and stays asserted until the voltage at OVIN3 falls below its threshold. The open-drain

910

UVOUT4

Active-Low Undervoltage Output 4. When the voltage at UVIN4 falls below its threshold, UVOUT4

asserts low and stays asserted until the voltage at UVIN4 exceeds its threshold. The open-drain

10

11

OVOUT4

Active-Low Overvoltage Output 4. When the voltage at OVIN4 rises above its threshold, OVOUT4

asserts low and stays asserted until the voltage at OVIN4 falls below its threshold. The open-drain

11

14

MARGIN

Active-Low Margin Enable Input. Pull MARGIN low to deassert all outputs (go into high state)

regardless of the voltage at any monitored input.

12

15

OVOUT2

Active-Low Overvoltage Output 2. When the voltage at OVIN2 rises above its threshold, OVOUT2

asserts low and stays asserted until the voltage at OVIN2 falls below its threshold. The open-drain