TL430 datasheet(2/9 Pages) TI

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TL430

ADJUSTABLE SHUNT REGULATORS

SLVS050D − JUNE 1976 − REVISED JANUARY 2005

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Regulator voltage (see Note 1)

30 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous regulator current

150 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

θJA (see Notes 2 and 3)

140

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating virtual junction temperature, TJ

150

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES:

1. All voltage values are with respect to the anode terminal.

2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable

ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.

3. The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions

MIN

MAX

UNIT

Regulator voltage

Vref

Regulator current

100

Operating free-air temperature range

TL430C

°C

electrical characteristics over recommended operating conditions, TA = 25°C (unless otherwise

noted)

PARAMETER

TEST

TEST CONDITIONS

TL430C

UNIT

PARAMETER

TEST

FIGURE

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI(ref)

Reference input voltage

VZ = VI(ref),

IZ = 10 mA

2.5

2.75

αVI(ref)

Temperature coefficient of reference input

voltage

VZ = VI(ref),

TA = 0°C to 70°C

IZ = 10 mA,

120

ppm/

°C

II(ref)

Reference input current

IZ = 10 mA,

R2 =

∞

R1 = 10 k

Ω,

µA

IZK

Regulator current near lower knee of

regulation range

VZ = VI(ref)

0.5

IZK

Regulator current at maximum

VZ = VI(ref)

IZK

Regulator current at maximum

limit of regulation range

VZ = 5 V to 30 V,

See Note 4

100

Differential regulator resistance

(see Note 5)

VZ = VI(ref),

∆IZ = (52 − 2) mA

1.5

Ω

VZ = 3 V

Noise voltage

f = 0.1 Hz to 10 Hz

VZ = 12 V

200

µV

Noise voltage

f = 0.1 Hz to 10 Hz

VZ = 30 V

650

µV

NOTES:

4. The average power dissipation, VZ • IZ • duty cycle, must not exceed the maximum continuous rating in any 10-ms interval.

5. The regulator resistance for VZ > VI(ref), rz, is given by:

rz + rz 1 )

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