REG102

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Regulador de voltaje de baja caída de 250 mA, 10 V, con habilitación

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document-pdfAcrobat DMOS 250mA Low-Dropout Regulator datasheet (Rev. F) (Inglés)

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REG102

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Detalles del producto

Rating

Catalog

Vin (max) (V)

10

Vin (min) (V)

2.2

Iout (max) (A)

0.25

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

5.5

Vout (min) (V)

2.5

Fixed output options (V)

2.5, 2.8, 2.85, 3, 3.3, 5, 5.5

Noise (µVrms)

28

PSRR at 100 KHz (dB)

46

Iq (typ) (mA)

0.4

Features

Enable

Thermal resistance θJA (°C/W)

150

Load capacitance (min) (µF)

0

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

150

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Vin (max) (V)

10

Vin (min) (V)

2.2

Iout (max) (A)

0.25

Output options

Adjustable Output, Fixed Output

Vout (max) (V)

5.5

Vout (min) (V)

2.5

Fixed output options (V)

2.5, 2.8, 2.85, 3, 3.3, 5, 5.5

Noise (µVrms)

28

PSRR at 100 KHz (dB)

46

Iq (typ) (mA)

0.4

Features

Enable

Thermal resistance θJA (°C/W)

150

Load capacitance (min) (µF)

0

Regulated outputs (#)

1

Accuracy (%)

2

Dropout voltage (Vdo) (typ) (mV)

150

Operating temperature range (°C)

-40 to 85

SOIC (D)

8

29.4 mm² 4.9 x 6

SOT-223 (DCQ)

6

45.89 mm² 6.5 x 7.06

SOT-23 (DBV)

5

8.12 mm² 2.9 x 2.8

NEW DMOS TOPOLOGY:
   Ultra Low Dropout Voltage:
     150mV typ at 250mA
     Output capacitor not Required for Stability
FAST TRANSIENT RESPONSE
VERY LOW NOISE: 28 µVrms
HIGH ACCURACY: ±1.5% max
HIGH EFFICIENCY:
I_GND = 600 µA at I_OUT = 250mA
Not Enabled: I_GND = 0.01 µA
2.5V, 2.8V, 2.85V, 3.0V, 3.3V, 5.0V AND ADJUSTABLE OUTPUT VERSIONS
OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST
FOLDBACK CURRENT LIMIT
THERMAL PROTECTION
SMALL SURFACE-MOUNT PACKAGES:
SOT23-5, SOT223-5, and SO-8
APPLICATIONS
- PORTABLE COMMUNICATION DEVICES
- BATTERY-POWERED EQUIPMENT
- PERSONAL DIGITAL ASSISTANTS
- MODEMS
- BAR-CODE SCANNERS
- BACKUP POWER SUPPLIES

All trademarks are the property of their respective owners.

NEW DMOS TOPOLOGY:
   Ultra Low Dropout Voltage:
     150mV typ at 250mA
     Output capacitor not Required for Stability
FAST TRANSIENT RESPONSE
VERY LOW NOISE: 28 µVrms
HIGH ACCURACY: ±1.5% max
HIGH EFFICIENCY:
I_GND = 600 µA at I_OUT = 250mA
Not Enabled: I_GND = 0.01 µA
2.5V, 2.8V, 2.85V, 3.0V, 3.3V, 5.0V AND ADJUSTABLE OUTPUT VERSIONS
OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST
FOLDBACK CURRENT LIMIT
THERMAL PROTECTION
SMALL SURFACE-MOUNT PACKAGES:
SOT23-5, SOT223-5, and SO-8
APPLICATIONS
- PORTABLE COMMUNICATION DEVICES
- BATTERY-POWERED EQUIPMENT
- PERSONAL DIGITAL ASSISTANTS
- MODEMS
- BAR-CODE SCANNERS
- BACKUP POWER SUPPLIES

All trademarks are the property of their respective owners.

The REG102 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 150mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low-dropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1µF.

Typical ground pin current is only 600µA (at I_OUT = 250mA) and drops to 10nA when not enabled. Unlike regulators with PNP pass devices, quiescent current remains relatively constant over load variations and under dropout conditions.

The REG102 has very low output noise (typically 28µVrms for V_OUT = 3.3V with C_NR = 0.01µF), making it ideal for use in portable communications equipment. On-chip trimming results in high output voltage accuracy. Accuracy is maintained over temperature, line, and load variations. Key parameters are tested over the specified temperature range (–40°C to +85°C).

The REG102 is well protected—internal circuitry provides a current limit that protects the load from damage; furthermore, thermal protection circuitry keeps the chip from being damaged by excessive temperature. The REG102 is available in the SOT23-5, SOT223-5, and SO-8 packages.

The REG102 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 150mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low-dropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1µF.

Typical ground pin current is only 600µA (at I_OUT = 250mA) and drops to 10nA when not enabled. Unlike regulators with PNP pass devices, quiescent current remains relatively constant over load variations and under dropout conditions.

The REG102 has very low output noise (typically 28µVrms for V_OUT = 3.3V with C_NR = 0.01µF), making it ideal for use in portable communications equipment. On-chip trimming results in high output voltage accuracy. Accuracy is maintained over temperature, line, and load variations. Key parameters are tested over the specified temperature range (–40°C to +85°C).

The REG102 is well protected—internal circuitry provides a current limit that protects the load from damage; furthermore, thermal protection circuitry keeps the chip from being damaged by excessive temperature. The REG102 is available in the SOT23-5, SOT223-5, and SO-8 packages.

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	Tipo	Título		Fecha
*	Data sheet	DMOS 250mA Low-Dropout Regulator datasheet (Rev. F)		08 sep 2005

REG102

Regulador de voltaje de baja caída de 250 mA, 10 V, con habilitación

Se encuentra disponible una versión más nueva de este producto

Reemplazo con funcionalidad mejorada del dispositivo comparado

REG102

Detalles del producto

Documentación técnica

Pedidos y calidad

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI