Linear Regulators (LDO) | NCP4681

Linear Voltage Regulator, LDO, Ultra Low Iq, 150 mA

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The NCP4681 and NCP4684 are CMOS Linear voltage regulators with 150 mA output current capability and ultra low supply currents (1 uA typ.) The devices are easy to use and include output current protection and a fully integrated soft-start circuit to minimize inrush current and to ensure no output voltage overshoot. The NCP4681 includes an ENABLE function to reduce supply current by using a Standby mode, while the NCP4684 excludes the ENABLE pin to avoid the associated pull down current, thereby offering the lowest possible current consumption for battery powered applications in ACTIVE mode. The devices are available in the ultra small 0.8x0.8mm XDFN as well as the SC-70 and SOT23-5 packages.

  • Battery powered boards
  • Keyboards, touchscreens, LCD screens
  • Cellphones, Digital Cameras, GPS,
  • Ultra Low Supply current : 1 uA typical
  • Input voltage range 1.4 V to 5.25 V
  • Enable pin to place device in STANDBY mode (NCP4581)
  • Output voltage range: 0.8 V to 3.6 V in 100 mV increments
  • Tiny 0.8 mm x 0.8 mm x 0.4 mm xDFN package
  • Soft start

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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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

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Reference Price

NCP4681DMX29TCG

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Obsolete

CAD Model

Pb

A

H

P

XDFN-4

711AB

1

260

REEL

10000

N

Single

Positive

2.9

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DMX33TCG

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Obsolete

CAD Model

Pb

A

H

P

XDFN-4

711AB

1

260

REEL

10000

N

Single

Positive

3.3

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DMX35TCG

Loading...

Obsolete

CAD Model

Pb

A

H

P

XDFN-4

711AB

1

260

REEL

10000

N

Single

Positive

3.5

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DSQ15T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

419A-02

1

260

REEL

3000

N

Single

Positive

1.5

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DSQ25T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

419A-02

1

260

REEL

3000

N

Single

Positive

2.5

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DSQ28T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

419A-02

1

260

REEL

3000

N

Single

Positive

2.8

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681DSQ33T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SC-88A / SC-70-5

419A-02

1

260

REEL

3000

N

Single

Positive

3.3

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

NCP4681HMX35TCG

Loading...

Obsolete

CAD Model

Pb

A

H

P

XDFN-4

711AB

1

260

REEL

10000

N

Single

Positive

3.5

0.15

1.4

6

0.28

0.001

25

100

Yes

No

-

Price N/A

More Details

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