750 mA LDO Linear Voltage Regulator with Delay and Reset

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Overview

The CS8129 is a precision 5V linear regulator capable of sourcing 750mA. The RESETbar threshold voltage has been lowered to 4.2V so that the regulator can be used with 4V microprocessors. The lower RESETbar threshold also permits operation under low battery conditions (5.5V plus a diode). The RESETbar's delay time is externally programmed using a discrete RC network. During power up, or when the output goes out of regulation, RESETbar remains in the low state for the duration of the delay. This function is independent of the input voltage and will function correctly as long as the output voltage remains at or above 1V. Hysteresis is included in the Delay and the RESETbar comparators to improve noise immunity. A latching discharge circuit is used to discharge the delay capacitor when it is triggered by a brief fault condition.

The regulator is protected against a variety of fault conditions: i.e. reverse battery, overvoltage, short circuit and thermal runaway conditions. The regulator is protected against voltage transients ranging from -50V to +40V. Short circuit current is limited to 1.2A (typ).

  • Engine Control Unit
  • Automotive
  • 5V +/- 3% Regulated Output with 750mA Output Current Capability
  • Reduced RESETbar Threshold for use with 4V Microprocessors
    Externally Programmed RESETbar Delay
  • Fault Protection
    Reverse Battery
    60V, -50V Peak Transient Voltage
    Short Circuit Thermal Shutdown
  • Low Dropout Voltage (0.6V @ 0.5A)
  • Body and Chassis
  • Infotainment
  • Powertrain

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Status

CAD Models

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Case Outline

MSL Type

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ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

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Reference Price

CS8129YDW16

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

1

235

TUBE

47

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YDW16G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

3

260

TUBE

47

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YDWR16

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

1

235

REEL

1000

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YDWR16G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

3

260

REEL

1000

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YT5

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Obsolete

CAD Model

Pb

A

H

P

TO-220-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YT5G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TO-220-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YTHA5

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Obsolete

CAD Model

Pb

A

H

P

TO-220-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YTHA5G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TO-220-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YTVA5

Loading...

Obsolete

CAD Model

Pb

A

H

P

TVA5-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

CS8129YTVA5G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TVA5-5

NA

0

TUBE

50

N

Single

Positive

5

0.75

-

60

0.35

2

75

-

-

-

-

Price N/A

More Details

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