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Home Products Integrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching Controllers~~R7521GN~~

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See specifications for product details.

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R7521GN - Richtek USA Inc.

Manufacturer Part Number: R7521GN

Manufacturer: Richtek

Allelco Part Number: 32D-R7521GN

ECAD Model

Parts Description: IC REGULATOR DIP

Detailed Description

Package: 16-DIP (0.300", 7.62mm)

Data sheet: R7521 Datasheet.pdf

RoHs Status: ROHS3 Compliant

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In stock: 17300

Specifications

R7521GN Tech Specifications
Richtek USA Inc. - R7521GN technical specifications, attributes, parameters and parts with similar specifications to Richtek USA Inc. - R7521GN

Product Attribute	Attribute Value
Manufacturer	Richtek
Voltage - Supply (Vcc/Vdd)	4V ~ 6V
Topology	Half-Bridge, Push-Pull
Synchronous Rectifier	No
Supplier Device Package	16-DIP
Series	-
Serial Interfaces	-
Package / Case	16-DIP (0.300", 7.62mm)
Package	Tube
Output Type	PWM
Output Phases	-

Product Attribute	Attribute Value
Output Configuration	Positive
Operating Temperature	-40°C ~ 85°C (TA)
Number of Outputs	4
Mounting Type	Through Hole
Function	-
Frequency - Switching	60kHz
Duty Cycle (Max)	46%
Control Features	Enable, Power Good
Clock Sync	No
Base Product Number	R7521

Parts with Similar Specifications

The three parts on the right have similar specifications to Richtek USA Inc. R7521GN

Product Attribute
Part Number	R7521GN	MAX1771CSA-T	ADP1853ACPZ-R7	MAX797ESE+
Manufacturer	Richtek USA Inc.	Analog Devices Inc./Maxim Integrated	Analog Devices Inc.	Analog Devices Inc./Maxim Integrated
Base Product Number	R7521	MAX1771	ADP1853	MAX797
Voltage - Supply (Vcc/Vdd)	4V ~ 6V	3V ~ 16.5V	2.75V ~ 20V	5V ~ 30V
Mounting Type	Through Hole	Surface Mount	Surface Mount	Surface Mount
Frequency - Switching	60kHz	300kHz	200kHz ~ 1.5MHz	150kHz, 300kHz
Package	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tube
Control Features	Enable, Power Good	Enable	Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking	Enable, Pulse Skipping, Soft Start
Synchronous Rectifier	No	No	Yes	Yes
Output Type	PWM	Transistor Driver	Transistor Driver	Transistor Driver
Operating Temperature	-40°C ~ 85°C (TA)	0°C ~ 70°C (TA)	-40°C ~ 125°C (TJ)	-40°C ~ 85°C (TA)
Topology	Half-Bridge, Push-Pull	Boost, Buck-Boost	Buck	Buck, Boost, Flyback
Function	-	Step-Up, Step-Up/Step-Down	Step-Down	Step-Up, Step-Up/Step-Down
Duty Cycle (Max)	46%	92%	90%	96%
Package / Case	16-DIP (0.300", 7.62mm)	8-SOIC (0.154", 3.90mm Width)	20-WFQFN Exposed Pad, CSP	16-SOIC (0.154', 3.90mm Width)
Clock Sync	No	No	Yes	Yes
Serial Interfaces	-	-	-	-
Number of Outputs	4	1	1	1
Supplier Device Package	16-DIP	8-SOIC	20-LFCSP (4x4)	16-SOIC
Output Configuration	Positive	Positive	Positive	Positive
Series	-	-	-	-
Output Phases	-	1	1	1

R7521GN Datasheet PDF

Download R7521GN pdf datasheets and Richtek USA Inc. documentation for R7521GN - Richtek USA Inc..

Datasheets: R7521 Datasheet.pdf
Environmental Information: RoHS Declaration.pdf
PCN Obsolescence/ EOL: Mult Devices EOL 01/Jun/2018.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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Certifications & Memberships

R7521GN

Richtek USA Inc.
32D-R7521GN

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