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LM61460AFSQRJRRQ1

Low EMI Synchronous Step-Down Converter

Manufacturer: Texas Instruments, Inc
Mfr.Part #: LM61460AFSQRJRRQ1
Datasheet: LM61460AFSQRJRRQ1 Datasheet (PDF)
Package/Case: VQFN14
Product Type: Power Management ICs
RoHS:
Lifecycle: Active

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LM61460AFSQRJRRQ1 General Description

The LM61460-Q1 is an automotive-focused, high-performance, DC-DC synchronous step-down converter. With integrated high-side and low-side MOSFETs, up to 6 A of output current is delivered over a wide input range of 3.0 V to 36 V; tolerant of 42 V, easing input surge protection design. The LM61460-Q1 implements soft recovery from dropout eliminating overshoot on the output.

The LM61460-Q1 is specifically designed for minimal EMI. The device incorporates pseudo-random spread spectrum, adjustable SW node rise time, low-EMI VQFN-HR package featuring low switch node ringing, and optimized pinout for ease of use. The switching frequency can be set or synchronized between 200 kHz and 2.2 MHz to avoid noise sensitive frequency bands. In addition the frequency can be selected for improved efficiency at low operating frequency or smaller solution size at high operating frequency.

Auto-mode enables frequency foldback when operating at light loads, allowing an unloaded current consumption of only 7 µA (typical) and high light load efficiency. Seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range.

Key Features

AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +150°C, T_J
Functional Safety-Capable
- Documentation available to aid functional safety system design
Optimized for ultra low EMI requirements
- Hotrod™ package and parallel input path minimize switch node ringing
- Spread spectrum reduces peak emissions
- Adjustable SW node rise time
Designed for automotive applications
- Supports 42-V automotive load dump
- ±1% total output regulation accuracy
- V_OUT adjustable from 1 V to 95% of V_IN
- 0.4-V dropout with 4-A load (typical)
High efficiency power conversion at all loads
- 7-µA no load current at 13.5 V_IN, 3.3 V_OUT
- 83% PFM efficiency at 1-mA, 13.5 V_IN, 5 V_OUT
- External bias option for improved efficiency
Suitable for scalable power supplies
- Pin compatible with:
  - LM61440-Q1 (36 V, 4 A, adjustable f_SW)
  - LM62440-Q1 (36 V, 4 A, fixed f_SW)
  - LMQ61460-Q1 (36 V, 6 A, internal caps)

Specifications

Vin (min) (V)	3	Vin (max) (V)	36
Vout (min) (V)	1	Vout (max) (V)	34
Iout (max) (A)	6	Iq (typ) (mA)	0.008
Switching frequency (min) (kHz)	200	Switching frequency (max) (kHz)	2200
EMI features	Low parasitic Hotrod packaging, Spread Spectrum	Features	Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package
Operating temperature range (°C)	-40 to 150	Rating	Automotive
TI functional safety category	Functional Safety-Capable	Regulated outputs (#)	1
Control mode	current mode	Duty cycle (max) (%)	98
Type	Converter	feature-type	Synchronous Step Down
feature-isolation		feature-process-technology
feature-output-type	Adjustable	feature-switching-frequency-khz	200 to 2200
feature-number-of-outputs	1	feature-output-voltage-v	1 to 34.2
feature-maximum-output-current-a	6	feature-maximum-output-power-w
feature-minimum-input-voltage-v	3	feature-maximum-input-voltage-v	36
feature-typical-switch-current-a		feature-efficiency-
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	14	feature-supplier-package	VQFN-HR
feature-standard-package-name		feature-cecc-qualified
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	Yes
feature-aec-qualified-number	AEC-Q100	feature-eccn-code	EAR99
feature-svhc

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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Buying Guide

What is the lifespan of LM61460AFSQRJRRQ1?
The lifespan of LM61460AFSQRJRRQ1 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 LM61460AFSQRJRRQ1?
You can find it with PDF Datasheet for LM61460AFSQRJRRQ1 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 LM61460AFSQRJRRQ1?
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 LM61460AFSQRJRRQ1 or my history order record?
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