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AC/DC & DC/DC converters (integrated FET)

LM26001

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具有高效睡眠模式的 1.5A 开关稳压器

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LM26001

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产品详情

Iout (max) (A) 1.5 Vin (min) (V) 3 Vin (max) (V) 38 Type Converter Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good Control mode current mode Vout (min) (V) 1.25 Vout (max) (V) 35 Rating Catalog Operating temperature range (°C) -40 to 125
Iout (max) (A) 1.5 Vin (min) (V) 3 Vin (max) (V) 38 Type Converter Switching frequency (min) (kHz) 150 Switching frequency (max) (kHz) 500 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good Control mode current mode Vout (min) (V) 1.25 Vout (max) (V) 35 Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • LM26001-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)
  • High-Efficiency Sleep Mode
  • 40-µA Typical Iq in Sleep Mode
  • 10-µA Typical Iq in Shutdown Mode
  • 3.0-V Minimum Input Voltage
  • 4.0-V to 38-V Continuous Input Range
  • 1.5% Reference Accuracy
  • Cycle-by-Cycle Current Limit
  • Adjustable Frequency (150 kHz to 500 kHz)
  • Synchronizable to an External Clock
  • Power Good Flag
  • Forced PWM Function
  • Adjustable Soft-Start
  • HTSSOP-16 Exposed Pad Package
  • Thermal Shut Down
  • LM26001-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)
  • High-Efficiency Sleep Mode
  • 40-µA Typical Iq in Sleep Mode
  • 10-µA Typical Iq in Shutdown Mode
  • 3.0-V Minimum Input Voltage
  • 4.0-V to 38-V Continuous Input Range
  • 1.5% Reference Accuracy
  • Cycle-by-Cycle Current Limit
  • Adjustable Frequency (150 kHz to 500 kHz)
  • Synchronizable to an External Clock
  • Power Good Flag
  • Forced PWM Function
  • Adjustable Soft-Start
  • HTSSOP-16 Exposed Pad Package
  • Thermal Shut Down

The LM26001 is a switching regulator designed for the high-efficiency requirements of applications with standby modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26001 can deliver up to 1.5 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power Good, adjustable soft-start, enable pin, input undervoltage protection, and an internal bootstrap diode for reduced component count.

For all available packages, see the orderable addendum at the end of the datasheet.

The LM26001 is a switching regulator designed for the high-efficiency requirements of applications with standby modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26001 can deliver up to 1.5 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power Good, adjustable soft-start, enable pin, input undervoltage protection, and an internal bootstrap diode for reduced component count.

For all available packages, see the orderable addendum at the end of the datasheet.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode 数据表 (Rev. I) PDF | HTML 2015年 3月 30日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
EVM 用户指南 AN-1454 LM26001 Evaluation Board (Rev. B) 2013年 4月 24日

设计和开发

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评估板

LM26001EVAL — 具有高效休眠模式的 1.5A 开关稳压器

LM26001 1.5A Switching Regulator with High Efficiency Sleep Mode

用户指南: PDF
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仿真模型

LM26001 PSpice Average Model

SNVM147.ZIP (55 KB) - PSpice Model
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仿真模型

LM26001 PSpice Transient Model

SNVMAG0.ZIP (134 KB) - PSpice Model
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仿真模型

LM26001 Unencrypted PSpice Average Model

SNVM875.ZIP (1 KB) - PSpice Model
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仿真模型

LM26001 Unencrypted PSpice Transient Model

SNVMAG1.ZIP (7 KB) - PSpice Model
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参考设计

PMP9397 — CISPR 25 5 类 3.3W 额定功率的汽车类电源参考设计

PMP9397 参考设计提供了针对汽车应用的传导 EMI 优化 3.3W 电源设计。此设计采用非同步降压稳压器 LM26001 来生成 3.3V/1A 输出。输入电压范围介于 4.5V 到 38V 之间，适用于汽车电池电源。此参考设计附带输入 EMI 滤波器级来抑制输入电源线中的开关噪声，且该电路板经测试符合 CISPR 25 5 类传导发射标准。
测试报告: PDF
原理图: PDF
封装 引脚 下载
HTSSOP (PWP) 16 查看选项
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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