Power Circuits / Switching Regulator or Controllers / NCP1579DR2G

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NCP1579DR2G by: onsemi

Synchronous Buck Controller, Low Voltage, SOIC-8 Narrow Body, 2500-REEL

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Part Details for NCP1579DR2G by onsemi

Results Overview of NCP1579DR2G by onsemi

Distributor Offerings: (7 listings)
Number of FFF Equivalents: (0 replacements)
CAD Models: (Available)
Number of Functional Equivalents: (0 options)
Part Data Attributes: (Available)
Reference Designs: (Not Available)

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NCP1579DR2G Information

NCP1579DR2G by onsemi is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Part #	Distributor	Description	Stock	Price	Buy
NCP1579DR2G DISTI # 42Y0728	Newark	Pwm Controller, 275Khz, 13.2V, Soic-8, Input Voltage:-, Output Voltage:-, Output Current:-, Supp... more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape	2241	1 $0.5930 10 $0.5080 25 $0.4730 50 $0.4260 100 $0.3790	$0.3790 / $0.5930	Buy Now
NCP1579DR2G DISTI # 13P5461	Newark	Synchronous Buck Controller, Low Voltage/ Reel \|Onsemi NCP1579DR2G RoHS: Not Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Reel	0	1 $0.3470 3,000 $0.3390 6,000 $0.3130 12,000 $0.2930 18,000 $0.2720 30,000 $0.2600	$0.2600 / $0.3470	Buy Now
NCP1579DR2G DISTI # 488-NCP1579DR2GCT-ND	DigiKey	IC REG CTRLR BUCK 8SOIC Min Qty: 1 Lead time: 15 Weeks Container: Digi-Reel®, Cut Tape (CT), Cut Tape (CT), Digi-Reel®, Tape & Reel (TR)	4551 In Stock	1 $1.2200 1 $1.2600 10 $0.7650 10 $0.7700 25 $0.6436 25 $0.6416 100 $0.5062 100 $0.4958 250 $0.4389 250 $0.4242 500 $0.3977 500 $0.3802 1,000 $0.3433	$0.3433 / $1.2600	Buy Now
NCP1579DR2G	Bristol Electronics		4479			RFQ
NCP1579DR2G	Quest Components		3583	1 $1.0000 401 $0.4000 2,001 $0.3500	$0.3500 / $1.0000	Buy Now
NCP1579DR2G	Rochester Electronics	NCP1579 - Switching Controller, Voltage-mode, 317kHz Switching Freq-Max, PDSO8 RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1	389773	1 $0.2799 25 $0.2743 100 $0.2631 500 $0.2519 1,000 $0.2379	$0.2379 / $0.2799	Buy Now
NCP1579DR2G	Vyrian	Other Function Semiconductors	68599			RFQ

Part Details for NCP1579DR2G

NCP1579DR2G CAD Models

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NCP1579DR2G Part Data Attributes

Parametric Data

Show differences only	NCP1579DR2G onsemi Buy Now Datasheet	Buy Now	Compare Parts: NCP1579DR2G onsemi Synchronous Buck Controller, Low Voltage, SOIC-8 Narrow Body, 2500-REEL Select a part to compare:

Pbfree Code	Yes
Rohs Code	Yes
Part Life Cycle Code	Obsolete
Ihs Manufacturer	ONSEMI
Part Package Code	SOIC-8 Narrow Body
Pin Count	8
Manufacturer Package Code	751-07
Reach Compliance Code	compliant
ECCN Code	EAR99
HTS Code	8542.39.00.01
Samacsys Manufacturer	onsemi
Additional Feature	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 5 V
Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	13.2 V
Input Voltage-Min	4.5 V
Input Voltage-Nom	12 V
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e3
Length	4.9 mm
Moisture Sensitivity Level	1
Number of Functions	1
Number of Terminals	8
Operating Temperature-Max	70 °C
Operating Temperature-Min
Package Body Material	PLASTIC/EPOXY
Package Code	SOP
Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Seated Height-Max	1.75 mm
Surface Mount	YES
Switcher Configuration	PUSH-PULL
Switching Frequency-Max	317 kHz
Temperature Grade	COMMERCIAL
Terminal Finish	MATTE TIN
Terminal Form	GULL WING
Terminal Pitch	1.27 mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Width	3.9 mm

NCP1579DR2G Frequently Asked Questions (FAQ)

A good PCB layout for the NCP1579DR2G should include a solid ground plane, separate analog and digital grounds, and a decoupling capacitor (e.g., 10uF) between VIN and GND. Additionally, keep the input and output capacitors close to the IC and use short, wide traces for the power lines.
Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current rating. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating that exceeds the output voltage. A good starting point is a 10uF input capacitor and a 22uF output capacitor.
The NCP1579DR2G is rated for operation from -40°C to +125°C, but the maximum ambient temperature range depends on the specific application and thermal design. Ensure proper thermal management to prevent overheating, especially in high-power applications.
To ensure stability, follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are properly selected, and the feedback network is correctly configured. If oscillations occur, check the PCB layout, component values, and feedback network for any errors or deviations from the recommended design.
The NCP1579DR2G is capable of delivering up to 2A of output current, but the actual current capability depends on the input voltage, output voltage, and thermal design. Ensure that the device is properly cooled and the output current is within the recommended specifications to prevent overheating and damage.