LP2986

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具有可调节或固定电压配置的 200mA、16V 低压降稳压器

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数据表

document-pdfAcrobat LP2986 Micropower, 200-mA Ultra-Low-Dropout Fixed or Adjustable Voltage Regulator 数据表 (Rev. I) (英语) PDF | HTML

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LP2986

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数据表

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Output options

Fixed Output

Iout (max) (A)

0.2

Vin (max) (V)

Vin (min) (V)

2.1

Vout (max) (V)

Vout (min) (V)

1.23

Fixed output options (V)

3, 3.3, 5

Rating

Catalog

Noise (µVrms)

160

PSRR at 100 KHz (dB)

Iq (typ) (mA)

0.1

Thermal resistance θJA (°C/W)

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

Features

Enable, Power good

Accuracy (%)

Dropout voltage (Vdo) (typ) (mV)

180

Operating temperature range (°C)

-40 to 125

Output options

Fixed Output

Iout (max) (A)

0.2

Vin (max) (V)

Vin (min) (V)

2.1

Vout (max) (V)

Vout (min) (V)

1.23

Fixed output options (V)

3, 3.3, 5

Rating

Catalog

Noise (µVrms)

160

PSRR at 100 KHz (dB)

Iq (typ) (mA)

0.1

Thermal resistance θJA (°C/W)

Load capacitance (min) (µF)

2.2

Regulated outputs (#)

Features

Enable, Power good

Accuracy (%)

Dropout voltage (Vdo) (typ) (mV)

180

Operating temperature range (°C)

-40 to 125

SOIC (D)

29.4 mm² 4.9 x 6

VSSOP (DGK)

14.7 mm² 3 x 4.9

WSON (NGN)

16 mm² 4 x 4

Wide Supply Voltage Range (16 V Maximum)
Ultra-Low-Dropout Voltage
0.5% Output Voltage Accuracy (A Grade)
Ensured 200-mA Output Current
< 1-μA Quiescent Current when Shutdown
Low GROUND Pin Current at All Loads
High Peak Current Capability (400 mA Typical)
Overtemperature/Overcurrent Protection
−40°C to +125°C Junction Temperature Range

Wide Supply Voltage Range (16 V Maximum)
Ultra-Low-Dropout Voltage
0.5% Output Voltage Accuracy (A Grade)
Ensured 200-mA Output Current
< 1-μA Quiescent Current when Shutdown
Low GROUND Pin Current at All Loads
High Peak Current Capability (400 mA Typical)
Overtemperature/Overcurrent Protection
−40°C to +125°C Junction Temperature Range

The LP2986 is a 200-mA high-precision LDO regulator with a wide input voltage supply. The device has two output voltage modes: a fixed-precision output mode and an adjustable output voltage via an external resistive divider.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2986 delivers superior performance:

Dropout Voltage: Typically 180 mV at 200-mA load, and 1 mV at 1-mA load.
GROUND Pin Current: Typically 1 mA at 200-mA load, and 200 μA at 10-mA load.
Sleep Mode: The LP2986 draws less than 1 μA quiescent current when SHUTDOWN pin is pulled low.
ERROR Flag: The built-in ERROR flag goes low when the output drops approximately 5% below nominal.
Precision Output: The standard product versions available can be pin-strapped (using the internal resistive divider) to provide output voltages of 5 V, 3.3 V, or 3 V with ensured accuracy of 0.5% (A grade) and 1% (standard grade) at room temperature.

For all available packages, see the orderable addendum at the end of the data sheet.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2986 delivers superior performance:

Dropout Voltage: Typically 180 mV at 200-mA load, and 1 mV at 1-mA load.
GROUND Pin Current: Typically 1 mA at 200-mA load, and 200 μA at 10-mA load.
Sleep Mode: The LP2986 draws less than 1 μA quiescent current when SHUTDOWN pin is pulled low.
ERROR Flag: The built-in ERROR flag goes low when the output drops approximately 5% below nominal.
Precision Output: The standard product versions available can be pin-strapped (using the internal resistive divider) to provide output voltages of 5 V, 3.3 V, or 3 V with ensured accuracy of 0.5% (A grade) and 1% (standard grade) at room temperature.

For all available packages, see the orderable addendum at the end of the data sheet.

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