LDO Regulator, 50 mA, High PSRR, Low Noise, with Fast Turn On

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Overview

The NCP508 is a 50 mA low noise, low dropout (LDO) linear voltage regulator, designed to exhibit fast turn-on time, low noise and high ripple rejection. The device is robust, incorporating current limiting and temperature protection circuitry. The NCP508 has been designed for use with low cost ceramic capacitors and is housed in an SC-88A or a tiny 1.5x1.5 mm WDFN package. Standard voltage versions are 1.5, 1.8, 2.5, 2.8, 3.0, and 3.3. Other voltages may be available, along with Automotive qualified versions of the device: contact your local sales representative.

  • RF Subsystems in Handsets
  • Noise sensitive circuits; VCOs, PLL
  • Bluetooth headsets
  • Meters, Instrumentation
  • Very Low Noise at 39 uVrms without a Bypass Capacitor
  • Fast enable response (20 usec)
  • High Ripple Rejection of 70 dB at 1 kHz
  • Can use decoupling capacitors with ESR ranging from milliohms to 3 ohms.

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5

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

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

PowerGood

Application

Reference Price

NCP508SQ30T1G

Loading...

Active

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

1

260

REEL

3000

Y

Single

Positive

3

0.05

1.8

13

0.155

0.3

70

39

Yes

No

-

$0.1527

More Details

NCP508MT25TBG

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Active

CAD Model

Pb

A

H

P

WDFN-6

1

260

REEL

3000

N

Single

Positive

2.5

0.05

1.8

13

0.155

0.3

70

39

Yes

No

-

$0.1501

More Details

NCP508SQ15T1G

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Active

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

1

260

REEL

3000

N

Single

Positive

1.5

0.05

1.8

13

0.155

0.3

70

39

Yes

No

-

$0.1393

More Details

NCP508SQ33T1G

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Active

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

1

260

REEL

3000

N

Single

Positive

3.3

0.05

1.8

13

0.155

0.3

70

39

Yes

No

-

$0.1527

More Details

NCP508SQ18T1G

Loading...

Active

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

1

260

REEL

3000

N

Single

Positive

1.8

0.05

1.8

13

0.155

0.3

70

39

Yes

No

-

$0.1527

More Details

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