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LM708X0-Q1中文资料德州仪器数据手册PDF规格书

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厂商型号

LM708X0-Q1

功能描述

LM708x0-Q1 80V, 8A/6A/4A, Automotive, High-Efficiency Buck Converters Optimized for High Power Density

文件大小

1.90136 Mbytes

页面数量

51

生产厂商

TI

中文名称

德州仪器

网址

网址

数据手册

下载地址一下载地址二到原厂下载

更新时间

2025-10-17 14:25:00

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LM708X0-Q1规格书详情

1 Features

• AEC-Q100 qualified for automotive applications:

– Device temperature grade 1: –40°C to +125°C

ambient operating temperature

• Functional Safety-Capable

– Documentation available to aid designs

requiring functional safety

• Synchronous DC/DC converter with a versatile

buck controller and robust power MOSFETs

– Wide input voltage range: 4.5V to 80V

– Shutdown mode current: 2.3μA

– No-load IQ regulating 48V to 5V: 8.2μA

– 1% accurate, fixed 3.3V, 5V, 12V, or adjustable

outputs from 0.8V to 55V

– Dual-phase operation enabling output currents

up to 16A

• Optimized for low EMI requirements

– Facilitates CISPR 25 Class 5 compliance

– Pin-selectable ±8% dual-random spread

spectrum reduces peak emissions

– Switching frequency: 200kHz to 2.2MHz

– Pin-configurable AUTO or FPWM operation

• Inherent protection features for robust design

– Internal hiccup-mode overcurrent protection

– Enable, power good, and thermal shutdown

– Internal or external loop compensation

• 6mm × 6mm thermally optimized, RoHS compliant,

QFN-29 package with Pb-free plating

• Create a custom design using the LM708x0-Q1

with WEBENCH® Power Designer

2 Applications

• Automotive electronic systems

• Advanced driver assist systems (ADAS)

• Infotainment and cluster

3 Description

The LM708x0-Q1 is a family of low-IQ, wide-VIN

synchronous buck converters designed for an input

voltage range of 4.5V to 80V and delivering up to 8A

of output current at fixed output voltages of 3.3V, 5V,

12V, or an adjustable output.

The LM708x0-Q1 uses a peak current-mode control

architecture for easy loop compensation, fast transient

response, and excellent load and line regulation. A

pair of LM708x0-Q1 converters can be set up in an

interleaved mode (paralleled outputs) with accurate

current sharing for applications requiring up to 16A of

output current.

The LM708x0-Q1 features a unique Dual Random

Spread Spectrum (DRSS) function that combines

low-frequency triangular and high-frequency cycleby-

cycle random modulations for improved EMI

performance across a wide range of frequency bands.

供应商 型号 品牌 批号 封装 库存 备注 价格
NS
9512
金封圆帽
3300
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NSC
25+
CAN8
2250
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NS(国半)
25+
封装
500000
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NS/国半
22+
TO
12245
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NS
23+
36119
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NS/国半
22+
CAN8
14008
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NSC/国半
专业铁帽
CAN8
67500
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NS
22+
5000
询价
NS
25+
CAN8
4500
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NETERGY
24+
DIP
37500
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