LMR51635

Name: LMR51635
Brand: TI
SKU: LMR51635
Price: 0.805 USD

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SIMPLE SWITCHER®-Synchron-Abwärtswandler mit 4,3 V bis 60 V Eingangsspannung, 3,5 A, und niedrigem R

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Datenblatt

document-pdfAcrobat LMR516x5 4.3V to 60V, 2.5A / 3.5A, Synchronous, Buck Converter With Low IQ datasheet (Rev. B) (Englisch) PDF | HTML

LMR51635

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Datenblatt

Jetzt bestellen

Produktdetails

Rating

Catalog

Topology

Buck

Iout (max) (A)

3.5

Vin (max) (V)

60

Vin (min) (V)

4.3

Vout (max) (V)

30

Vout (min) (V)

0.8

Features

Enable, Forced PWM, Over Current Protection, Pre-Bias Start-Up, Synchronous Rectification

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000026

TI functional safety category

Functional Safety-Capable

Rating

Catalog

Topology

Buck

Iout (max) (A)

3.5

Vin (max) (V)

60

Vin (min) (V)

4.3

Vout (max) (V)

30

Vout (min) (V)

0.8

Features

Enable, Forced PWM, Over Current Protection, Pre-Bias Start-Up, Synchronous Rectification

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000026

TI functional safety category

Functional Safety-Capable

SOT-23-THN (DDC)

6

8.12 mm² 2.9 x 2.8

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications:
- 4.3V to 60V input voltage range
- 2.5A or 3.5A continuous output current
- Low operating quiescent current of 29µA
- 70ns minimum switching on time
- 400kHz amd 1.1MHz switching frequency
- Frequency spread spectrum (PFM variant)
- –40°C to 150°C junction temperature range
- 96% maximum duty cycle
- Monotonic start-up with prebiased output
- Short-circuit protection with hiccup mode
- Precision enable
- ±1% tolerance voltage reference
Small design size and ease of use:
- Integrated synchronous rectification
- Internal compensation for ease of use
- SOT-23 package
Various options in pin-to-pin compatible package
- PFM and forced PWM (FPWM) options
Create a custom design using the LMR516x5 with the WEBENCH Power Designer

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications:
- 4.3V to 60V input voltage range
- 2.5A or 3.5A continuous output current
- Low operating quiescent current of 29µA
- 70ns minimum switching on time
- 400kHz amd 1.1MHz switching frequency
- Frequency spread spectrum (PFM variant)
- –40°C to 150°C junction temperature range
- 96% maximum duty cycle
- Monotonic start-up with prebiased output
- Short-circuit protection with hiccup mode
- Precision enable
- ±1% tolerance voltage reference
Small design size and ease of use:
- Integrated synchronous rectification
- Internal compensation for ease of use
- SOT-23 package
Various options in pin-to-pin compatible package
- PFM and forced PWM (FPWM) options
Create a custom design using the LMR516x5 with the WEBENCH Power Designer

The LMR516x5 is a wide-VIN, easy-to-use, synchronous buck converter capable of driving up to 2.5A or 3.5A load current. With a wide input range of 4.3V to 60V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516x5 operates at 400kHz or 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The device has a pulse frequency modulation (PFM version) to realize high efficiency at light load and a forced pulse width modulation (PFM version) to achieve constant frequency and small output voltage ripple over the full load range, soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.

The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.

The LMR516x5 is a wide-VIN, easy-to-use, synchronous buck converter capable of driving up to 2.5A or 3.5A load current. With a wide input range of 4.3V to 60V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516x5 operates at 400kHz or 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The device has a pulse frequency modulation (PFM version) to realize high efficiency at light load and a forced pulse width modulation (PFM version) to achieve constant frequency and small output voltage ripple over the full load range, soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.

The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.

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	Typ	Titel		Datum
*	Data sheet	LMR516x5 4.3V to 60V, 2.5A / 3.5A, Synchronous, Buck Converter With Low IQ datasheet (Rev. B)	PDF \| HTML	23 Jan 2025
	Functional safety information	LMR51625 and LMR51635 Functional Safety FIT Rate, FMD and Pin FMA	PDF \| HTML	15 Okt 2024

Design und Entwicklung

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Evaluierungsplatine

LMR51635EVM — LMR51635 – Evaluierungsmodul

Das Evaluierungsmodul (EVM) LMR51635EVM von Texas Instruments unterstützt Entwickler bei der Evaluierung des Betriebs und der Leistung des Wide-Input-Synchron-Abwärtsreglers LMR51635. Der LMR51635 ist ein einfach zu bedienender synchroner Abwärtswandler mit breiter V_IN. Mit dem weiten (...)

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