LDO Regulator, 500 mA, Ultra-Low Iq, High PSRR, Ultra-Low Noise

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Noise sensitive RF applications such as Power Amplifiers in satellite radios, infotainment equipment, and precision instrumentation require very clean power supplies. The NCP705 is a 500 mA LDO that provides the engineer with a very stable, accurate voltage with ultra low noise and very high Power Supply Rejection Ratio (PSRR) suitable for RF applications. The device doesn't require any additional noise bypass capacitor to achieve ultra-low noise performance. In order to optimize performance for battery operated portable applications, the NCP705 employs dynamic Iq management for ultra-low quiescent current consumption at light-load conditions and great dynamic performance.

  • Upgrade to TLV755
  • Operating Input Voltage Range
  • Available in Fixed Voltage Options
  • Ultra-Low Quiescent Current
  • Ultra-Low Noise
  • Very Low Dropout
  • ±2% Accuracy Over Load/Line/Temperature
  • High PSRR
  • Internal Soft-Start
  • Thermal Shutdown and Current Limit Protections
  • Stable with a 1 uF Ceramic Output Capacitor
  • Active Output Discharge for Fast Turn-Off
  • These are Pb-Free Devices
  • Adjustable operation from 0.8V

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ECAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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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)

Enable

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Pricing ($/Unit)

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NCP705MT28TCG

Active

Pb

A

H

P

WDFN-6

1

260

REEL

3000

Y

Single

Positive

2.8

0.5

2.5

5.5

0.23

0.013

71

12

Yes

No

-

$0.3225

More Details

NCP705MT30TCG

Active

Pb

A

H

P

WDFN-6

1

260

REEL

3000

Y

Single

Positive

3

0.5

2.5

5.5

0.23

0.013

71

12

Yes

No

-

$0.3225

More Details

NCP705MTADJTCG

Active

Pb

A

H

P

WDFN-6

1

260

REEL

3000

Y

Single

Positive

Adj

0.5

2.5

5.5

-

0.013

71

-

Yes

No

-

$0.3225

More Details

NCP705MT33TCG

Active

Pb

A

H

P

WDFN-6

1

260

REEL

3000

Y

Single

Positive

3.3

0.5

2.5

5.5

0.23

0.013

71

12

Yes

No

-

$0.2862

More Details

NCP705MT18TCG

Active

Pb

A

H

P

WDFN-6

1

260

REEL

3000

Y

Single

Positive

1.8

0.5

2.5

5.5

0.23

0.013

71

12

Yes

No

-

$0.3225

More Details

NCP705EMT33TCG

Lifetime

Pb

A

H

P

WDFN-6

1

260

REEL

3000

N

Single

Positive

Adj

0.5

2.5

5.5

0.23

0.013

71

12

Yes

No

-

$0.3238

More Details

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