LMR36506-Q1

Name: LMR36506-Q1
Brand: TI
SKU: LMR36506-Q1
Price: 1.829 USD

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Für geringen Platzbedarf und hohe Teillast-Effizienz optimierter Abwärtswandler, 3 V bis 65 V, 0,6 A

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Datenblatt

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) (Englisch) PDF | HTML

LMR36506-Q1

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Datenblatt

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Produktdetails

Rating

Automotive

Operating temperature range (°C)

-40 to 150

TI functional safety category

Functional Safety-Capable

Topology

Buck

Type

Converter

Iout (max) (A)

0.6

Vin (min) (V)

3

Vin (max) (V)

65

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

2200

Features

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

EMI features

Low parasitic Hotrod packaging, Spread Spectrum

Control mode

current mode

Vout (min) (V)

1

Vout (max) (V)

28

Iq (typ) (µA)

4

Duty cycle (max) (%)

99

Rating

Automotive

Operating temperature range (°C)

-40 to 150

TI functional safety category

Functional Safety-Capable

Topology

Buck

Type

Converter

Iout (max) (A)

0.6

Vin (min) (V)

3

Vin (max) (V)

65

Switching frequency (min) (kHz)

200

Switching frequency (max) (kHz)

2200

Features

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

EMI features

Low parasitic Hotrod packaging, Spread Spectrum

Control mode

current mode

Vout (min) (V)

1

Vout (max) (V)

28

Iq (typ) (µA)

4

Duty cycle (max) (%)

99

VQFN-HR (RPE)

9

4 mm² 2 x 2

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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Technische Dokumentation

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Alle anzeigen 4

	Typ	Titel		Datum
*	Data sheet	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 Jun 2020
	Selection guide	Buck Converter Quick Reference Guide (Rev. B)		08 Apr 2021
	Functional safety information	LMR3650x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA	PDF \| HTML	26 Okt 2020
	EVM User's guide	LMR36506MSCEVM User’s Guide (Rev. A)		19 Mai 2020

Design und Entwicklung

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Evaluierungsplatine

LMR36506EVM — Evaluierungsmodul für extrem kleinen asynchronen 0,6 A-Abwärtswandler, 3 bis 65 V, für die Automobil

The LMR36506MSCEVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36506-Q1 synchronous step-down converter. The LMR36503-Q1 can also be evaluated with LMR36506MSCEVM.

Benutzerhandbuch: PDF