SN105125

Name: SN105125
Brand: TI
SKU: SN105125
Price: 0.31 USD

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Regulador de tensión de baja caída ajustable de 150 mA, con buena potencia

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Hoja de datos

document-pdfAcrobat 150-mA Low Dropout Regulator with POK datasheet (Inglés)

SN105125

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Detalles del producto

Output options

Fixed Output

Iout (max) (A)

0.15

Vin (max) (V)

5.2

Vin (min) (V)

3

Vout (max) (V)

1.2

Vout (min) (V)

1.2

Fixed output options (V)

1.2

Rating

Catalog

Iq (typ) (mA)

0.15

Thermal resistance θJA (°C/W)

235

Regulated outputs (#)

1

Features

Power good

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

1000

Operating temperature range (°C)

0 to 70

Output options

Fixed Output

Iout (max) (A)

0.15

Vin (max) (V)

5.2

Vin (min) (V)

3

Vout (max) (V)

1.2

Vout (min) (V)

1.2

Fixed output options (V)

1.2

Rating

Catalog

Iq (typ) (mA)

0.15

Thermal resistance θJA (°C/W)

235

Regulated outputs (#)

1

Features

Power good

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

1000

Operating temperature range (°C)

0 to 70

SOT-23 (DBV)

5

8.12 mm² 2.9 x 2.8

Low Dropout Voltage Regulator, 1.2-V
150-mA Load Current Capability
Power Okay (POK) Function
Load Independent, Low Ground Current,150-uA
Current Limiting
Thermal Shutdown
Low Sleep State Current (Off Mode)
Fast Transient Response
Low Variation Due to Load and Line Regulation
Output Stable With Low ESR Capacitors
TTL Logic Controlled Enable Input
applications
- Processor Powerup Sequencing
- Palmtop Computers, Laptops, and Notebooks

Low Dropout Voltage Regulator, 1.2-V
150-mA Load Current Capability
Power Okay (POK) Function
Load Independent, Low Ground Current,150-uA
Current Limiting
Thermal Shutdown
Low Sleep State Current (Off Mode)
Fast Transient Response
Low Variation Due to Load and Line Regulation
Output Stable With Low ESR Capacitors
TTL Logic Controlled Enable Input
applications
- Processor Powerup Sequencing
- Palmtop Computers, Laptops, and Notebooks

The SN105125 is a low dropout voltage regulator with an output tolerance of ±2% over the operating range. The device is optimized for low noise applications and has a low quiescent current (enable <0.8 V). The device has a low dropout voltage at full load (150 mA). The power okay function monitors the output voltage and indicates when an error occurs in the system (active low). In the event of an output fault such as overcurrent, thermal shutdown, or dropout, the power okay output is pulled low (open drain).

The SN105125 has a fast transient response recovery capability in the event of load transition from heavy load to light load. The device also minimizes overshoot during this condition. During power down, the output capacitor and load are de-energized through the internal active shutdown clamp, which is turned on when the device is disabled.

The SN105125 requires a small output capacitor for stability with low ESR. An input capacitor is not required unless the bulk ac capacitor is placed away from the device or the power supply is a battery. In this situation, a 1-uF capacitor is recommended for the application. Low ESR ceramic capacitors may be used with the device to reduce board space in power applications, a key concern in hand-held wireless devices.

The SN105125 is a low dropout voltage regulator with an output tolerance of ±2% over the operating range. The device is optimized for low noise applications and has a low quiescent current (enable <0.8 V). The device has a low dropout voltage at full load (150 mA). The power okay function monitors the output voltage and indicates when an error occurs in the system (active low). In the event of an output fault such as overcurrent, thermal shutdown, or dropout, the power okay output is pulled low (open drain).

The SN105125 has a fast transient response recovery capability in the event of load transition from heavy load to light load. The device also minimizes overshoot during this condition. During power down, the output capacitor and load are de-energized through the internal active shutdown clamp, which is turned on when the device is disabled.

The SN105125 requires a small output capacitor for stability with low ESR. An input capacitor is not required unless the bulk ac capacitor is placed away from the device or the power supply is a battery. In this situation, a 1-uF capacitor is recommended for the application. Low ESR ceramic capacitors may be used with the device to reduce board space in power applications, a key concern in hand-held wireless devices.

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