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LMR51406

Name: LMR51406
Brand: TI
SKU: LMR51406
Price: 0.32 USD

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SYNCHRONER SIMPLE SWITCHER®-Abwärtswandler, 4 V bis 42 V, 0,6 A, mit 26,5 uA IQ

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Datenblatt

document-pdfAcrobat LMR514xx SIMPLE SWITCHER Power Converter, 4V to 42V, 0.6A / 1A Buck Converter in a SOT-23 Package datasheet (Englisch) PDF | HTML

LMR51406

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Datenblatt

Jetzt bestellen

Produktdetails

Rating

Catalog

Operating temperature range (°C)

-40 to 150

TI functional safety category

Functional Safety-Capable

Type

Converter (Integrated Switch)

Iout (max) (A)

0.6

Vin (min) (V)

4

Vin (max) (V)

42

Switching frequency (min) (kHz)

400

Switching frequency (max) (kHz)

1100

Features

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

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

28

Iq (typ) (µA)

25

Rating

Catalog

Operating temperature range (°C)

-40 to 150

TI functional safety category

Functional Safety-Capable

Type

Converter (Integrated Switch)

Iout (max) (A)

0.6

Vin (min) (V)

4

Vin (max) (V)

42

Switching frequency (min) (kHz)

400

Switching frequency (max) (kHz)

1100

Features

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

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

28

Iq (typ) (µA)

25

SOT-23 (DBV)

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
- 4V to 42V input voltage range
- Input transient protection up to 50V
- 0.6A / 1A continuous output current
- 80ns minimum switching on time
- Fixed 400kHz and 1.1MHz switching frequency
- –40°C to 150°C junction temperature range
- 98% maximum duty cycle
- Monotonic start-up with prebiased 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 LMR51610, LMR16006, LV2862, LMR50410, TPS560430 and LMR54410
Create a custom design using the LMR514xx with the WEBENCH Power Designer

Functional Safety-Capable
- Documentation available to aid functional safety system design
Configured for rugged industrial applications
- 4V to 42V input voltage range
- Input transient protection up to 50V
- 0.6A / 1A continuous output current
- 80ns minimum switching on time
- Fixed 400kHz and 1.1MHz switching frequency
- –40°C to 150°C junction temperature range
- 98% maximum duty cycle
- Monotonic start-up with prebiased 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 LMR51610, LMR16006, LV2862, LMR50410, TPS560430 and LMR54410
Create a custom design using the LMR514xx with the WEBENCH Power Designer

The LMR514xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 0.6A and 1A load current. With a wide input range of 4V to 42V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR514xx operates at 400kHz and 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR514xx 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 LMR514xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 0.6A and 1A load current. With a wide input range of 4V to 42V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR514xx operates at 400kHz and 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR514xx 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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Alle anzeigen 3

	Typ	Titel		Datum
*	Data sheet	LMR514xx SIMPLE SWITCHER Power Converter, 4V to 42V, 0.6A / 1A Buck Converter in a SOT-23 Package datasheet	PDF \| HTML	06 Mai 2024
	White paper	Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A)	PDF \| HTML	30 Apr 2024
	Functional safety information	LMR514xx Functional Safety FIT Rate, FMD and Pin FMA		29 Apr 2024

Design und Entwicklung

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Das LMR51610-Evaluierungsmodul (EVM) ist eine vollständig bestückte und getestete Platine zur Evaluierung des Abwärtswandlers LMR51610. Das EVM hat einen Ausgang von 3,3 V, einen großen Eingangsbereich von bis zu 65 V, einen Ladestrom von 1 A, eine interne Festfrequenz und kann AC-Signale für (...)

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LMR51406

SYNCHRONER SIMPLE SWITCHER®-Abwärtswandler, 4 V bis 42 V, 0,6 A, mit 26,5 uA IQ

LMR51406

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