TS431BCX-RFG datasheet(3/13 Pages) TSC

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TS431

Taiwan Semiconductor

Document Number: DS_P0000235

Version: H15

ORDERING INFORMATION

PART NO.

PACKAGE

PACKING

TS431ACT B0G

TO-92

1,000pcs / Bulk

TS431BCT B0G

TO-92

1,000pcs / Bulk

TS431ACT A3G

TO-92

2,000pcs / Ammo

TS431BCT A3G

TO-92

2,000pcs / Ammo

TS431ACX RFG

SOT-23

3,000pcs / 7” Reel

TS431BCX RFG

SOT-23

3,000pcs / 7” Reel

TS431ACS RLG

SOP-8

2,500pcs / 13” Reel

TS431BCS RLG

SOP-8

2,500pcs / 13” Reel

TS431CS RLG

SOP-8

2,500pcs / 13” Reel

Note:

Compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC.

Halogen-free according to IEC 61249-2-21 definition.

BLOCK DIAGRAM

* The deviation parameters ∆VREF and ∆IREF are defined as difference between the maximum value and minimum value

obtained over the full operating ambient temperature range that applied.

* The average temperature coefficient of the

reference input voltage, αVREF is defined as:

Where: T2-T1 = full temperature change.

αVREF can be positive or negative depending on whether the slope is positive or negative.

Example: Maximum VREF=2.496V at 30°C, minimum VREF =2.492V at 0°C, VREF =2.495V at 25°C, ΔT=70°C

αVREF | = [4mV / 2495mV] * 10

6 / 70°C ≈ 23ppm/°C

Because minimum VREF occurs at the lower temperature, the coefficient is positive.

* The dynamic impedance ZKA is defined as:

| ZKA | = ΔVKA / ΔIKA

* When the device operating with two external resistors, R1 and R2, (refer to Figure 2) the total dynamic impedance of

the circuit is given by:

| ZKA | = Δv / Δi | ≈ ZKA | * ( 1 + R1 / R2)

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