TPS768

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Low-Dropout-Spannungsregler, 1 A, 10 V, mit Power-Good- und Aktivierungsfunktion

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Datenblatt

document-pdfAcrobat Fast-Transient-Response 1-A Low-Dropout Voltage Regulators datasheet (Rev. L) (Englisch)

TPS768

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

1

Vin (max) (V)

10

Vin (min) (V)

2.7

Vout (max) (V)

5.5

Vout (min) (V)

1.2

Fixed output options (V)

1.5, 1.8, 2.5, 2.7, 2.8, 3, 3.3, 5

Noise (µVrms)

55

Iq (typ) (mA)

0.08

Thermal resistance θJA (°C/W)

33, 37.9, 113.6

Rating

Catalog

Load capacitance (min) (µF)

10

Regulated outputs (#)

1

Features

Enable, Power good

Accuracy (%)

2

PSRR at 100 KHz (dB)

29

Dropout voltage (Vdo) (typ) (mV)

230

Operating temperature range (°C)

-40 to 125

Output options

Adjustable Output, Fixed Output

Iout (max) (A)

1

Vin (max) (V)

10

Vin (min) (V)

2.7

Vout (max) (V)

5.5

Vout (min) (V)

1.2

Fixed output options (V)

1.5, 1.8, 2.5, 2.7, 2.8, 3, 3.3, 5

Noise (µVrms)

55

Iq (typ) (mA)

0.08

Thermal resistance θJA (°C/W)

33, 37.9, 113.6

Rating

Catalog

Load capacitance (min) (µF)

10

Regulated outputs (#)

1

Features

Enable, Power good

Accuracy (%)

2

PSRR at 100 KHz (dB)

29

Dropout voltage (Vdo) (typ) (mV)

230

Operating temperature range (°C)

-40 to 125

HTSSOP (PWP)

20

41.6 mm² 6.5 x 6.4

SOIC (D)

8

29.4 mm² 4.9 x 6

Input Voltage Range: 2.7 V to 10 V
Low-Dropout Voltage: 230 mV typical at 1 A (TPS76850)
2% Tolerance Over Specified Conditions for Fixed-Output Versions
Open Drain Power Good (See TPS767xx for Power-On Reset With 200-ms Delay Option)
Ultralow 85 µA Typical Quiescent Current
Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable (1.2 V to 5.5 V) Versions
Fast Transient Response
Thermal Shutdown Protection
SOIC-8 (D) and TSSOP-20 (PWP) Package

All trademarks are the property of their respective owners.

Input Voltage Range: 2.7 V to 10 V
Low-Dropout Voltage: 230 mV typical at 1 A (TPS76850)
2% Tolerance Over Specified Conditions for Fixed-Output Versions
Open Drain Power Good (See TPS767xx for Power-On Reset With 200-ms Delay Option)
Ultralow 85 µA Typical Quiescent Current
Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable (1.2 V to 5.5 V) Versions
Fast Transient Response
Thermal Shutdown Protection
SOIC-8 (D) and TSSOP-20 (PWP) Package

All trademarks are the property of their respective owners.

This device is designed to have a fast transient response and be stable with 10 µF capacitors. This combination provides high performance at a reasonable cost.

Since the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, because the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a shutdown mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at T_J = 25°C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

This device is designed to have a fast transient response and be stable with 10 µF capacitors. This combination provides high performance at a reasonable cost.

Since the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, because the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a shutdown mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at T_J = 25°C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

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Alle anzeigen 5

	Typ	Titel		Datum
*	Data sheet	Fast-Transient-Response 1-A Low-Dropout Voltage Regulators datasheet (Rev. L)		30 Jan 2006
	Application note	LDO Noise Demystified (Rev. B)	PDF \| HTML	18 Aug 2020
	Application note	PowerPAD™ Thermally Enhanced Package (Rev. H)		06 Jul 2018
	Application note	LDO PSRR Measurement Simplified (Rev. A)	PDF \| HTML	09 Aug 2017
	User guide	Low Cost Isolated Power Supply for PoE Applications		20 Mai 2003

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TPS768

Low-Dropout-Spannungsregler, 1 A, 10 V, mit Power-Good- und Aktivierungsfunktion

TPS768

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