150 mA 低噪声,低漏线性稳压器

Obsolete

概览

NCP3985 是一款 150 mA LDO 线性稳压器,为工程人员提供了非常稳定准确的电压,具有超低噪音和极高电源抑制比 (PSRR),适合敏感应用。为了优化电池供电便携式应用的性能,NCP3985 采用先进的 BiCMOS 工艺,融合了双极元件的低噪音和出众的动态性能,兼具 CMOS 在满负载条件下的极低接地电流耗量。NCP3985 使用小型低值电容器实现稳定性,采用 TSOP-5 封装。

  • Cellular Telephones
  • Noise Sensitive Applications (Video, Audio)
  • Analog Power Supplies
  • PDAs / Palmtops / Organizers / GPS
  • Battery Supplied Devices

  • Output Voltage Options:
    1.8 V, 2.8 V, 3.0 V
    Contact Factory for Other Voltage Options
  • Output Current Limit 200 mA
  • Low Noise (typ 20 µVrms)
  • High PSRR (typ 70 dB)
  • Stable with Ceramic Output Capacitors as low as 1 µF
  • Low Sleep Mode Current (max 1 µA)
  • Active Discharge Circuit
  • Current Limit Protection
  • Thermal Shutdown Protection
  • Direct Replacement for LP3985
  • These are Pb-Free Devices

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产品

状态

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

NCP3985SN18T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

1.8

0.15

2.5

5.5

0.7

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN25T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

2.5

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN275T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

2.75

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN28T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

2.8

0.15

2.5

5.5

0.105

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN30T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

3

0.15

2.5

5.5

0.1

0.07

70

20

Yes

No

-

Price N/A

More Details

NCP3985SN33T1G

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Single

Positive

3.3

0.15

2.5

5.5

0.1

0.07

70

20

Yes

No

-

Price N/A

More Details

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