TC52_15 datasheet(3/12 Pages) MICROCHIP

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DS20001430E-page 3

TC52

2.0

PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 2-1.

3.0

DETAILED DESCRIPTION

In normal steady-state operation and for either

channel, when VIN >VDET-, the output is high, see

Figure 3-1. (In the case of the TC52N, this is an open-

drain condition.) If and when the input falls below

VDET-, the output pulls down (Logic 0) to VSS.

Generally, VOUT can pull down to within 0.5V of VSS at

rated output current and input voltages. (Also see

Section 1.0, Electrical Characteristics).

The output, VOUT, stays valid until the input voltage falls

below the minimum operating voltage, VINMIN, of 0.7V.

Below this minimum operating voltage, the output is

undefined. During power-up or anytime VIN has fallen

below VINMIN, VOUT will remain undefined until VIN rises

above VINMIN, at which time the output becomes valid.

VOUT is maintained in its active low state while

VINMIN <VIN <VDET+. (VDET+= VDET-+ VHYST). If and

when the input rises above VDET+, the output will

assume its inactive state (open-drain for TC52N).

FIGURE 3-1:

Timing Diagram.

TABLE 2-1:

PIN FUNCTION TABLE

Pin No.

(5-Pin SOT-23)

Symbol

Description

1VOUT1

Detector #1 output

2VIN

Supply voltage input, detect voltage 1

GND

Ground terminal

4VIN2

Detect voltage 2

5VOUT2

Detector #2 output

VINx

Detect Voltage VDET–

Minimum Operating

Voltage

Ground Level

VOUTx

Output Voltage

Ground Level

VDET+

VHYST

Release Voltage

or RESET Voltage

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