Product Information

L4979D

Name: L4979D
Brand: STMicroelectronics
SKU: L4979D_STMicroelectronics
Availability: OutOfStock
Rating: 5 (11 reviews)

L4979D electronic component of STMicroelectronics

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Datasheet

LDO Voltage Regulators Lo DROP Vltg REG

Manufacturer: STMicroelectronics

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges

Price (USD)

N/A

Obsolete

More Buying Options & Price Grid(s)

Availability	Price	Quantity
0 - WHS 1 MOQ : 100 Multiples : 100 L4979D STMicroelectronics	100 : USD 0.7305 900 : USD 0.6696	N/A Obsolete

0 - WHS 2 MOQ : 2000 Multiples : 2000 L4979D STMicroelectronics	2000 : USD 0.7165	N/A Obsolete

0 - WHS 3 MOQ : 1 Multiples : 1 L4979D STMicroelectronics	1 : USD 3.4435 10 : USD 1.2838 25 : USD 1.1702 100 : USD 0.9859 250 : USD 0.9228 500 : USD 0.8264 1000 : USD 0.7053 2000 : USD 0.6918 4000 : USD 0.6669	N/A Obsolete

0 - WHS 4 MOQ : 100 Multiples : 100 L4979D STMicroelectronics	100 : USD 0.8179 500 : USD 0.7714	N/A Obsolete

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Additional Infomation About Product

L4979D, L4979MD Automotive low dropout voltage regulator Datasheet - production data very low output current mode and enabled regulator. The devices drop to 6 A with not enabled regulators. On chip trimming results in high output voltage accuracy (+/-2%). Accuracy is kept over wide temperature range, line and load variation. * 3*&)7 * 3*&)7 The maximum input voltage is 40 V. The max SO-20 SO-8 output current is internally limited. Internal temperature protection disables the voltage regulator output. Features AEC-Q100 qualified Operating DC supply voltage range 5.6 V to 31 V Low quiescent current (6 A typ. 25 C with enable low) High precision output voltage (+/-2%) Low dropout voltage less than 0.5 V Reset circuit sensing the output voltage down to 1 V Table 1. Device summary Programmable reset pulse delay with external Order codes capacitor Package Watchdog Tube Tape and reel Programmable watchdog timer with external SO-8 L4979D L4979D013TR capacitor SO-20 L4979MD L4979MD013TR Thermal shutdown and short circuit protection Automotive temperature range (T = -40 C to j 150 C) Enable input for enabling/disabling the voltage regulator output Description L4979D and L4979MD are low dropout linear regulators with microprocessor control functions such as low voltage reset, watchdog, on/off control. Typical quiescent current is 100 A in September 2018 DS3717 Rev 11 1/22 This is information on a product in full production. www.st.comContents L4979D, L4979MD Contents 1 Block diagram and pin descriptions 5 2 Electrical specifications 7 2.1 Absolute maximum ratings . 7 2.2 Electrical characteristics . 8 3 Application information . 11 3.1 Voltage regulator 11 3.2 Reset .11 3.3 Watchdog . 12 4 Package and PCB thermal data . 13 4.1 SO-8 thermal data 13 4.2 SO-20 thermal data . 15 5 Package information 18 5.1 ECOPACK . 18 5.2 SO-8 package information 18 5.3 SO-20 package information . 20 6 Revision history . 21 2/22 DS3717 Rev 11

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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Manufacturer STMicroelectronics STMicroelectronics
Product Category LDO Voltage Regulators LDO Voltage Regulators
RoHS - XON y y
Mounting Style smd/smt smd/smt
Package / Case SO - 8 SO - 8
Output Voltage 5 V 5 V
Output Current 300 mA 300 mA
Number of Outputs 1 output 1 output
Polarity positive positive
Quiescent Current 3 mA 3 mA
Input Voltage MIN + 6 V + 6 V
Input Voltage MAX 31 V 31 V
Output Type fixed fixed
Minimum Operating Temperature - 40 C - 40 C
Maximum Operating Temperature + 150 C + 150 C
Qualification aec - q100 aec - q100
Series l4979d l4979d
Packaging Tube Tube
Brand Stmicroelectronics Stmicroelectronics
Dropout Voltage - Max 400 mV @ 150 MA 400 mV @ 150 MA
Voltage Regulation Accuracy 2 % 2 %
Line Regulation 25 mv 25 mv
Load Regulation 25 mv 25 mv
Factory Pack Quantity : 100 100
Height 1.65 mm (Max) 1.65 mm (Max)
Length 5 mm (Max) 5 mm (Max)
Width 4 mm (Max) 4 mm (Max)
Cnhts 8542319000 8542319000
Hts Code 8542390001 8542390001
Ib - Input Bias Current 1.5 mA 1.5 mA
Mxhts 85423999 85423999
Product Type ldo voltage regulators ldo voltage regulators
Subcategory Pmic-Power Management Ics Pmic-Power Management Ics
Taric 8542399000 8542399000