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LM70840

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

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.15869 Mbytes 页数:56 Pages

TI

德州仪器

LM70840

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

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.07451 Mbytes 页数:55 Pages

TI

德州仪器

LM70840

高密度、4.5V 至 80V 输入、4A、低 EMI 同步直流/直流降压转换器

The LM708x0 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.\n\nThe LM708x0 uses a peak current-mode control architecture for ea • Functional Safety-Capable \n• Synchronous DC/DC converter with a versatile buck controller and robust power MOSFETs \n• Shutdown mode current: 2.3µA\n• 1% accurate, fixed 3.3V, 5V, 12V, or adjustable outputs from 0.8V to 55V\n• Designed for low EMI requirements \n• Pin-selectable ±8% dual-;

TI

德州仪器

LM70840-Q1

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

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.07451 Mbytes 页数:55 Pages

TI

德州仪器

LM70840-Q1

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

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.15869 Mbytes 页数:56 Pages

TI

德州仪器

LM70840-Q1

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

1 Features • AEC-Q100 qualified for automotive applications: – Device temperature grade 1: –40°C to +125°C ambient operating temperature • Synchronous DC/DC converter with a versatile buck controller and robust power MOSFETs – Wide input voltage range: 4.5 V to 80 V – 1 accurate, fixed 3.3

文件:833.26 Kbytes 页数:12 Pages

TI

德州仪器

LM70840-Q1

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

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 cont

文件:1.90136 Mbytes 页数:51 Pages

TI

德州仪器

LM70840QRRXRQ1

丝印:70840Q1;Package:VQFN;LM708x0-Q1 80V, 8A/6A/4A, Automotive, High-Efficiency Buck Converters Optimized for High Power Density

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 cont

文件:1.90136 Mbytes 页数:51 Pages

TI

德州仪器

LM70840RRXR

丝印:70840;Package:VQFN;LM708x0 80V, 8A/6A/4A, High-Efficiency Buck Converters Designed for High Power Density

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.15869 Mbytes 页数:56 Pages

TI

德州仪器

LM70840RRXR

丝印:70840;Package:VQFN(RRX);LM708x0 80V, 8A/6A/4A, High-Efficiency Buck Converters Designed for High Power Density

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • 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

文件:2.07451 Mbytes 页数:55 Pages

TI

德州仪器

技术参数

  • Operating temperature range (°C):

    -40 to 150

  • TI functional safety category:

    Functional Safety-Capable

  • Topology:

    Buck

  • Type:

    Converter

  • Iout (max) (A):

    4

  • Vin (min) (V):

    4.5

  • Vin (max) (V):

    80

  • Switching frequency (min) (kHz):

    200

  • Switching frequency (max) (kHz):

    2200

  • Features:

    Adjustable switching frequency

  • EMI features:

    Spread Spectrum

  • Control mode:

    current mode

  • Vout (min) (V):

    0.8

  • Vout (max) (V):

    55

  • Iq (typ) (µA):

    6.5

  • Duty cycle (max) (%):

    99

供应商型号品牌批号封装库存备注价格
TI/德州仪器
25+
原厂封装
10280
原厂授权代理,专注军工、汽车、医疗、工业、新能源!
询价
TI/德州仪器
25+
原厂封装
10280
询价
TI/德州仪器
25+
原厂封装
9999
询价
TI/德州仪器
25+
原厂封装
10280
询价
TI(德州仪器)
25+
封装
500000
源自原厂成本,高价回收工厂呆滞
询价
TI
25+
29-VQFN(6x6)
18746
样件支持,可原厂排单订货!
询价
TI
25+
29-VQFN(6x6)
18798
正规渠道,免费送样。支持账期,BOM一站式配齐
询价
TI/德州仪器
26+
原厂封装
10280
询价
NS
24+
CAN
3680
郑重承诺只做原装进口现货
询价
A
24+
b
54
询价
更多LM70840供应商 更新时间2026-4-10 16:08:00