Low Voltage Precision Adjustable Shunt Regulator

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Overview

The TLV431 series of parts are precision low voltage shunt regulators that are programmable over a wide voltage range of 1.24V to 16V. The TLV431A series features a guaranteed reference accuracy of 1.0% at 25 °C and 2.0% over the entire industrial temperature range of -40 °C to 85 °C. For TLV431B series, the accuracy is 0.5% and 1.0%, respectively. For the TLV431C series, the accuracy is 0.2% and 0.5%, respectively. These devices exhibit a sharp low current turn-on characteristic with a low dynamic impedance of 0.20 W over an operating current range of 0.1mA to 20mA. This combination of features makes this series an excellent replacement for zener diodes in numerous applications circuits that require a precise refrence voltage. When combined with an optocoupler, the TLV431 can be used as an error amplifier for controlling the feedback loop in isolated low output voltage (3.0V to 3.3V) switching power supplies. These devices are available in economical TO-92 and micro size TSOP-5 and SOT23-3 packages.

  • Low Output Voltage (3.0 V to 3.3 V) Switching Power Supply Error Amplifier
  • Adjustable Voltage or Current Linear and Switching Power Supplies
  • Voltage Monitoring
  • Current Source and Sink Circuits
  • Analog and Digital Circuits Requiring Precision References
  • Low Voltage Zener Diode Replacements
  • Power Supplies
  • Smart Phone Charger / Adapters
  • Voltage Reference Tolerance +/-1.0%
  • Sharp Low Current Turn-On Characteristic
  • Low Dynamic Output Impedance of 0.20 W from 100 mA to 20 mA
  • Programmable Output Voltage Range of 1.24 V to 16 V
  • Micro Miniature TSOP-5 and TO-92 Packages
  • Pb-Free Package is Available
  • A = 1.0% tolerance Vref
  • B = 0.5% tolerance Vref
  • C = 0.2% tolerance Vref

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Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

V(BR) Typ (V)

Tolerance (%)

IQ Typ (mA)

IR Min (mA)

VF Max (V)

TA Min (°C)

TA Max (°C)

Pricing ($/Unit)

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TLV431ASN1T1G

Active

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

$0.1353

More Details

TLV431BSN1T1G

Active

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

$0.1231

More Details

TLV431ALPRAG

Active

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

$0.3528

More Details

SCV431BSN1T1G

Active

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

125

$0.216

More Details

TLV431ASNT1G

Active

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

$0.1349

More Details

SCV431ASN1T1G

Active

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

1.25

1

-

-

16

-40

125

$0.22

More Details

TLV431BSNT1G

Active

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

$0.1273

More Details

TLV431CSN1T1G

Active

Pb

A

H

P

SOT-23-3

1

260

REEL

3000

N

Adjustable

1.25

0.2

0.055

0.015

16

-40

85

$0.126

More Details

NCV431ASNT1G

Active

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Adjustable

2.5

1

0.5

1

36

-40

125

$0.2347

More Details

NCV431BSNT1G

Active

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

Y

Adjustable

2.5

0.4

0.5

1

36

-40

125

$0.2347

More Details

TLV431BLPRPG

Last Shipments

Pb

A

H

P

TO-92

NA

0

FNFLD

2000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431ALPREG

Last Shipments

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431BLPRMG

Last Shipments

Pb

A

H

P

TO-92

NA

0

FNFLD

2000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431ALPRMG

Last Shipments

Pb

A

H

P

TO-92

NA

0

FNFLD

2000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431BLPREG

Last Shipments

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431BLPRAG

Lifetime

Pb

A

H

P

TO-92

NA

0

REEL

2000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

$0.3583

More Details

TLV431ALPG

Lifetime

Pb

A

H

P

TO-92

NA

0

BLKBG

2000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

$0.358

More Details

TLV431ALPRPG

Obsolete

Pb

A

H

P

TO-92

NA

0

FNFLD

2000

N

Adjustable

1.25

1

0.055

0.015

16

-40

85

Price N/A

More Details

TLV431BLPG

Obsolete

Pb

A

H

P

TO-92

NA

0

BLKBG

2000

N

Adjustable

1.25

0.5

0.055

0.015

16

-40

85

Price N/A

More Details

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