LMR51606

AKTIV

SIMPLE SWITCHER®-Stromwandler mit synchronem Abwärtswandler von 4,5 V auf 65 V, 0,6 A und 25 µA Ruhe

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Datenblatt

document-pdfAcrobat LMR516xxSIMPLE SWITCHERPower Converter, 4-V to 65-V, 0.6-A/1-A Buck Converter in a SOT-23 Package datasheet (Rev. B) (Englisch) PDF | HTML

LMR51606

AKTIV

Jetzt bestellen

Produktdetails

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

65

Vin (min) (V)

4.5

Vout (max) (V)

28

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)

0.000025

TI functional safety category

Functional Safety-Capable

Rating

Catalog

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

65

Vin (min) (V)

4.5

Vout (max) (V)

28

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)

0.000025

TI functional safety category

Functional Safety-Capable

SOT-23 (DBV)

6

8.12 mm² (2.9 mm × 2.8 mm)

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications
- 4-V to 65-V input voltage range
- Input transient protection up to 70-V
- 0.6-A/1-A continuous output current
- 80-ns minimum switching on time
- Fixed 400-kHz and 1.1-MHz switching frequency
- –40°C to 150°C junction temperature range
- 98% maximum duty cycle
- Monotonic start-up with pre-biased output
- Short-circuit protection with hiccup mode
- Precision enable
- ±1.5% 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
Pin-to-pin compatible with the LMR16006, LV2862, LMR50410, TPS560430, LMR54406, and LMR54410
Create a custom design using the LMR516xx with the WEBENCH® Power Designer

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications
- 4-V to 65-V input voltage range
- Input transient protection up to 70-V
- 0.6-A/1-A continuous output current
- 80-ns minimum switching on time
- Fixed 400-kHz and 1.1-MHz switching frequency
- –40°C to 150°C junction temperature range
- 98% maximum duty cycle
- Monotonic start-up with pre-biased output
- Short-circuit protection with hiccup mode
- Precision enable
- ±1.5% 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
Pin-to-pin compatible with the LMR16006, LV2862, LMR50410, TPS560430, LMR54406, and LMR54410
Create a custom design using the LMR516xx with the WEBENCH® Power Designer

The LMR516xx is a wide-V IN, easy-to-use synchronous buck converter capable of driving up to 0.6-A and 1-A load current. With a wide input range of 4 V to 65 V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516xx operates at 400-kHz and 1.1-MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR516xx has a PFM version to realize high efficiency at light load and a FPWM 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 LMR516xx is a wide-V IN, easy-to-use synchronous buck converter capable of driving up to 0.6-A and 1-A load current. With a wide input range of 4 V to 65 V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516xx operates at 400-kHz and 1.1-MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR516xx has a PFM version to realize high efficiency at light load and a FPWM 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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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen
*	Datenblatt	LMR516xxSIMPLE SWITCHERPower Converter, 4-V to 65-V, 0.6-A/1-A Buck Converter in a SOT-23 Package datasheet (Rev. B)	PDF \| HTML	06.12.2023
	Analog Design Journal	How to cut PLC output power dissipation in half using an adaptive supply	PDF \| HTML	10.04.2026
	Informationen zur funktionalen Sicherheit	LMR516xx Functional Safety FIT Rate, FMD and Pin FMA	PDF \| HTML	25.08.2023
	Zertifikat	LMR51606EVM EU Declaration of Conformity (DoC)	PDF \| HTML	26.07.2023

Design und Entwicklung

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Evaluierungsplatine

LMR51606EVM — LMR51606-Evaluierungsmodul

Das LMR51606-Evaluierungsmodul (EVM) ist eine vollständig bestückte und getestete Platine zur Evaluierung des Abwärtswandlers LMR51606. Das EVM verfügt über einen 3,3-V-Ausgang mit einem breiten Eingangsbereich von bis zu 65 V und 0,6 A Laststrom mit einer internen Festfrequenz. Das EVM verfügt (...)

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