LM78L

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Regulador de tensión lineal de 100 mA y 30 V

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document-pdfAcrobat LM78L 100-mA Fixed Output Linear Regulator datasheet (Rev. L) (Inglés) PDF | HTML

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UA78L

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Regulador de tensión lineal de 100 mA y 30 V Pin-to-pin equivalent for cost-sensitive applications

LM78L

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Detalles del producto

Output options

Fixed Output

Iout (max) (A)

0.1

Vin (max) (V)

30

Vin (min) (V)

6.7

Vout (max) (V)

15

Vout (min) (V)

5

Fixed output options (V)

5, 6.2, 9, 12, 15

Noise (µVrms)

40

Iq (typ) (mA)

2

Thermal resistance θJA (°C/W)

108

Rating

Catalog

Load capacitance (min) (µF)

0.01

Regulated outputs (#)

1

Accuracy (%)

4

PSRR at 100 KHz (dB)

40

Dropout voltage (Vdo) (typ) (mV)

1600

Operating temperature range (°C)

-40 to 125

Output options

Fixed Output

Iout (max) (A)

0.1

Vin (max) (V)

30

Vin (min) (V)

6.7

Vout (max) (V)

15

Vout (min) (V)

5

Fixed output options (V)

5, 6.2, 9, 12, 15

Noise (µVrms)

40

Iq (typ) (mA)

2

Thermal resistance θJA (°C/W)

108

Rating

Catalog

Load capacitance (min) (µF)

0.01

Regulated outputs (#)

1

Accuracy (%)

4

PSRR at 100 KHz (dB)

40

Dropout voltage (Vdo) (typ) (mV)

1600

Operating temperature range (°C)

-40 to 125

DSBGA (YPB)

8

3.0625 mm² 1.75 x 1.75

SOIC (D)

8

29.4 mm² 4.9 x 6

TO-92 (LP)

3

19.136 mm² 5.2 x 3.68

For lower cost alternative, see the UA78L
Input voltage up to 30 V
Output voltage tolerances of ±5% over the temperature range
Available output voltages: 5 V, 6.2 V, 8.2 V, 9 V, 12 V, and 15 V
Output current of 100 mA
Output transistor safe area protection
Internal thermal overload protection
Internal short-circuit current limit
No external components
Available in tiny DSBGA package
Available in 3-pin TO-92 and 8-pin SOIC low profile packages

For lower cost alternative, see the UA78L
Input voltage up to 30 V
Output voltage tolerances of ±5% over the temperature range
Available output voltages: 5 V, 6.2 V, 8.2 V, 9 V, 12 V, and 15 V
Output current of 100 mA
Output transistor safe area protection
Internal thermal overload protection
Internal short-circuit current limit
No external components
Available in tiny DSBGA package
Available in 3-pin TO-92 and 8-pin SOIC low profile packages

The LM78L series (LM78Lxx throughout this document) of three terminal positive regulators is available with several fixed output voltages, making them useful in a wide range of applications. Used as a Zener-diode and resistor combination replacement, the LM78Lxx usually provides an effective output impedance improvement of two orders of magnitude and lower quiescent current. These regulators can provide local, on-card regulation, eliminating distribution problems associated with single-point regulation. The available voltages allow the LM78Lxx to be used in logic systems, instrumentation, HiFi, and other solid-state electronic equipment.

The LM78Lxx is available in the plastic TO-92 (LP) package, the SOIC (D) package, and a chip-sized package (8-Bump DSBGA) using TI’s DSBGA package technology. With adequate heat sinking, the regulator can deliver 100-mA output current. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistors is provided to limit internal power dissipation. If internal power dissipation is too high for the heat sinking provided, the thermal shutdown circuit prevents the IC from overheating.

See the AN-1112 DSBGA Wafer Level Chip Scale Package application note for DSBGA considerations. For more information on the TO-92 package, see the TO-92 Packing Options/Ordering Instructions application report.

The LM78L series (LM78Lxx throughout this document) of three terminal positive regulators is available with several fixed output voltages, making them useful in a wide range of applications. Used as a Zener-diode and resistor combination replacement, the LM78Lxx usually provides an effective output impedance improvement of two orders of magnitude and lower quiescent current. These regulators can provide local, on-card regulation, eliminating distribution problems associated with single-point regulation. The available voltages allow the LM78Lxx to be used in logic systems, instrumentation, HiFi, and other solid-state electronic equipment.

The LM78Lxx is available in the plastic TO-92 (LP) package, the SOIC (D) package, and a chip-sized package (8-Bump DSBGA) using TI’s DSBGA package technology. With adequate heat sinking, the regulator can deliver 100-mA output current. Current limiting is included to limit the peak output current to a safe value. Safe area protection for the output transistors is provided to limit internal power dissipation. If internal power dissipation is too high for the heat sinking provided, the thermal shutdown circuit prevents the IC from overheating.

See the AN-1112 DSBGA Wafer Level Chip Scale Package application note for DSBGA considerations. For more information on the TO-92 package, see the TO-92 Packing Options/Ordering Instructions application report.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	LM78L 100-mA Fixed Output Linear Regulator datasheet (Rev. L)	PDF \| HTML	10 jun 2020
	Application note	A Topical Index of TI LDO Application Notes (Rev. F)		27 jun 2019
	Application note	AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A)		06 may 2013
	Application note	AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)		06 may 2013
	More literature	Die D/S LM78L05 MWC 3-Terminal Positive Regulators		28 sep 2012
	Application note	TO-92 Packing Options / Ordering Instructions (Rev. A)		23 jun 2010
	Application note	Packaging Limits Range of Linear Regulators		08 may 2010
	Application note	Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A)		04 jun 2008
	Application note	Understanding the Terms and Definitions of LDO Voltage Regulators		21 oct 1999

Diseño y desarrollo

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