LMR36506-Q1

ACTIVO

Convertidor buck de 3 V a 65 V, 0,6 A optimizado para el tamaño y la eficiencia en cargas ligeras

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Hoja de datos

document-pdfAcrobat LMR36506-Q1 3-V to 65-V, 0.6-A Synchronous Buck Converter Optimized for Size and Light Load Efficiency datasheet (Rev. C) (Inglés) PDF | HTML

LMR36506-Q1

ACTIVO

Hoja de datos

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Detalles del producto

Rating

Automotive

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

65

Vin (min) (V)

3

Vout (max) (V)

28

Vout (min) (V)

1

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Spread Spectrum, Synchronous Rectification, Wettable flanks package

EMI & noise features

Low parasitic Hotrod packaging, Spread Spectrum

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000004

Duty cycle (max) (%)

99

TI functional safety category

Functional Safety-Capable

Rating

Automotive

Topology

Buck

Iout (max) (A)

0.6

Vin (max) (V)

65

Vin (min) (V)

3

Vout (max) (V)

28

Vout (min) (V)

1

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Spread Spectrum, Synchronous Rectification, Wettable flanks package

EMI & noise features

Low parasitic Hotrod packaging, Spread Spectrum

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000004

Duty cycle (max) (%)

99

TI functional safety category

Functional Safety-Capable

VQFN-HR (RPE)

9

4 mm² (2 mm × 2 mm)

AEC-Q100-qualified for automotive applications:
- Device temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
>80% efficiency at 1 mA
- 4 µA I_q (switching) at 24 V_IN to 3.3 V_OUT (fixed output option)
Miniature solution size and low component cost
- 2-mm × 2-mm HotRod™ package with wettable flanks
- Internal compensation
Designed for automotive applications:
- Junction temperature range –40°C to +150°C
- Pseudo-random spread spectrum compatible with CISPR 25 EMI standard
- Wide input voltage range: 3.0 V (falling threshold) to 65 V
- Adjustable, 3.3-V and 5-V fixed output voltage options available
- Synchronizable with MODE/SYNC pin variant
- Adjustable F_SW: 200 kHz to 2.2 MHz with RT pin variant
- Pin compatible with LMR36503-Q1 (65 V, 300 mA)

AEC-Q100-qualified for automotive applications:
- Device temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
>80% efficiency at 1 mA
- 4 µA I_q (switching) at 24 V_IN to 3.3 V_OUT (fixed output option)
Miniature solution size and low component cost
- 2-mm × 2-mm HotRod™ package with wettable flanks
- Internal compensation
Designed for automotive applications:
- Junction temperature range –40°C to +150°C
- Pseudo-random spread spectrum compatible with CISPR 25 EMI standard
- Wide input voltage range: 3.0 V (falling threshold) to 65 V
- Adjustable, 3.3-V and 5-V fixed output voltage options available
- Synchronizable with MODE/SYNC pin variant
- Adjustable F_SW: 200 kHz to 2.2 MHz with RT pin variant
- Pin compatible with LMR36503-Q1 (65 V, 300 mA)

The LMR36506-Q1 is the industry’s smallest 65 V, 0.6 A synchronous step-down DC/DC converter in 2-mm x 2-mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V, 5 V and other adjustable output voltages.

The LMR36506-Q1 uses peak current mode control architecture with internal compensation and maintains stable operation with minimal output capacitance. The wide input operating range of the LMR36506-Q1 helps it remain functional during a deep input voltage sag condition, making it an excellent choice for automotive applications withstanding severe cold crank start impulses. The PGOOD flag in the LMR36506-Q1 provides precise indication of the output voltage status, eliminating the requirement for an external supervisor. A seamless transition from FPWM to PFM, with an ultra-low standby quiescent current allows the LMR36506-Q1 to support much higher system efficiency at low output loads. The MODE/SYNC pin variant helps to synchronize the LMR36506-Q1 to an external clock. With the right resistor selection, the LMR36506-Q1 RT pin variant can also be externally programmed to any desired switching frequency of operation. The rich feature set of the LMR36506-Q1 is designed to simplify implementation for a wide range of automotive end equipments.

The LMR36506-Q1 is the industry’s smallest 65 V, 0.6 A synchronous step-down DC/DC converter in 2-mm x 2-mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V, 5 V and other adjustable output voltages.

The LMR36506-Q1 uses peak current mode control architecture with internal compensation and maintains stable operation with minimal output capacitance. The wide input operating range of the LMR36506-Q1 helps it remain functional during a deep input voltage sag condition, making it an excellent choice for automotive applications withstanding severe cold crank start impulses. The PGOOD flag in the LMR36506-Q1 provides precise indication of the output voltage status, eliminating the requirement for an external supervisor. A seamless transition from FPWM to PFM, with an ultra-low standby quiescent current allows the LMR36506-Q1 to support much higher system efficiency at low output loads. The MODE/SYNC pin variant helps to synchronize the LMR36506-Q1 to an external clock. With the right resistor selection, the LMR36506-Q1 RT pin variant can also be externally programmed to any desired switching frequency of operation. The rich feature set of the LMR36506-Q1 is designed to simplify implementation for a wide range of automotive end equipments.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	LMR36506-Q1 3-V to 65-V, 0.6-A Synchronous Buck Converter Optimized for Size and Light Load Efficiency datasheet (Rev. C)	PDF \| HTML	19/06/2020
	Guía de selección	Buck Converter Quick Reference Guide (Rev. B)		8/04/2021
	Información sobre seguridad funcional	LMR3650x-Q1 Functional Safety, FIT Rate, FMD and Pin FMA	PDF \| HTML	26/10/2020

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LMR36506EVM — Módulo de evaluación del convertidor buck síncrono ultrapequeño de 3 V a 65 V y 0,6 A de grado autom

El módulo de evaluación (EVM) LMR36506MSCEVM es un circuito totalmente ensamblado y probado para evaluar el convertidor reductor sincrónico LMR36506-Q1. El LMR36503-Q1 también se puede evaluar con LMR36506MSCEVM.

Guía del usuario: PDF

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