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LTC3779EFE#PBF

DC/DC Cntrlr Single-OUT Step Down/Step Up 275kHz Automotive 31-Pin TSSOP EP Tube

Manufacturer: Analog Devices, Inc
Mfr.Part #: LTC3779EFE#PBF
Datasheet: LTC3779EFE#PBF Datasheet (PDF)
Package/Case: TSSOP38
Product Type: Power Management ICs
RoHS:
Lifecycle: Active

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LTC3779EFE#PBF General Description

The LTC3779 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant frequency current mode architecture allows a phaselockable frequency of up to 600kHz, while an input/output constant current loop provides support for battery charging.

With a wide 4.5V to 150V input and output range and seamless transfers between operating regions, the LTC3779 is ideal for automotive, telecom and batterypowered systems.

The LTC3779 features a precision 1.2V reference and power good output indicator. The MODE pin can select between pulse-skipping mode or forced continuous mode of operation. Pulse-skipping mode offers high efficiency at light load while forced continuous mode operates at a constant frequency for noise sensitive applications. The PLLIN pin allows the IC to be synchronized to an external clock. The SS pin ramps the output voltage during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions.

Key Features

4-Switch Current Mode Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
Wide VIN Range: 4.5V to 150V
Wide Output Voltage Range: 1.2V ≤ VOUT ≤ 150V
Synchronous Rectification: Up to 99% Efficiency
Input or Output Average Current Limit
On-Board LDO or External NMOS LDO for DRVCC
36V EXTVCC LDO Powers Drivers
Programmable 6V to 10V DRVCC Optimizes Efficiency
No Top FET Refresh Noise in Boost or Buck Mode
VOUT Disconnected from VIN During Shutdown
Phase-Lockable Fixed Frequency (50kHz to 600kHz)
No Reverse Current During Start-Up
Power Good Output Voltage Monitor
150V Rated RUN Pin with Accurate Turn-On Threshold
Programmable Input Overvoltage Lockout
Thermally Enhanced FE38 TSSOP Package Modified for High Voltage Operation

Application

Industrial, Automotive, Medical, Military, Avionics

Specifications

model	LTC3779EFE#PBF	package	38-Lead TSSOP w/ EP
packingQty	Tube,50	packingOption	Tube
packageType	05-08-1865	rohs	roHSY
lifeCycle	production	tempRange	-40 to 125C
Manufacturer	Analog Devices Inc.	Product Category	Switching Controllers
RoHS	Details	Topology	Buck-Boost
Number of Outputs	1 Output	Switching Frequency	50 kHz to 600 kHz
Duty Cycle - Max	90 %	Input Voltage	4.5 V to 150 V
Output Voltage	1.2 V to 150 V	Output Current	10 A
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 125 C
Mounting Style	SMD/SMT	Package / Case	TSSOP-38
Brand	Analog Devices	Isolation	Isolated
Operating Supply Current	3.6 mA	Product	Switching Controllers
Product Type	Switching Controllers	Series	LTC3779
Shutdown	No Shutdown	Factory Pack Quantity	50
Subcategory	PMIC - Power Management ICs

Shipping

Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

DHL
Fedex
UPS
EMS
Registered Air Mail

Payment

We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

Wire Transfer
Paypal
Credit Card
Western Union
Money Gram

Guarantees

Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

ESD
Tape and Reel
Cut Tape
Tube or Tray

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LTC3779EFE#PBF Datasheet PDF

Preliminary Specification LTC3779EFE#PBF PDF Download

LTC3779EFE#PBF PDF Preview

Buying Guide

What is the lifespan of LTC3779EFE#PBF?
The lifespan of LTC3779EFE#PBF depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.
Where can I find the full specification of LTC3779EFE#PBF?
You can find it with PDF Datasheet for LTC3779EFE#PBF on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.
How to check the quality of LTC3779EFE#PBF?
Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.
Can I purchase samples for testing?
Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.
Where can I check the delivery after the order is completed?
Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.
Where to view my order of LTC3779EFE#PBF or my history order record?
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