位置:首页 > IC中文资料 > LM25575

LM25575价格

参考价格:¥48.5772

型号:LM25575BLDT/NOPB 品牌:TEXAS 备注:这里有LM25575多少钱,2026年最近7天走势,今日出价,今日竞价,LM25575批发/采购报价,LM25575行情走势销售排行榜,LM25575报价。
型号 功能描述 生产厂家 企业 LOGO 操作
LM25575

LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

LM25575

LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

LM25575

6V 至 42V、1.5A 降压直流/直流开关稳压器

LM25575 是一款易于使用的降压稳压器,借助该器件,设计工程师可使用最少组件设计和优化可靠的电源。LM25575 的工作输入电压范围为 6V 至 42V,并且集成有一个 330mΩ N 沟道 MOSFET,可提供 1.5A 的连续输出电流。该稳压器采用仿真的电流模式架构,兼具固有的线路稳定度、出色的负载瞬态响应以及简化的环路补偿特性,不存在电流模式稳压器中常会出现的低占空比限制。工作频率可在 50kHz 至 1MHz 范围内进行调节,从而实现尺寸和效率优化。为降低 EMI,LM(2)557x 系列的多款 IC 可通过频率同步引脚实现自同步或同步到外部时钟。LM25575 具备逐周期电流限制 • 集成 42V、330mΩ N 沟道 MOSFET\n• 6V 至 42V 的超宽输入电压范围\n• 低至 1.225V 的可调节输出电压\n• 1.5% 反馈基准精度\n• 可使用单个电阻器在 50kHz 至 1MHz 之间调节工作频率\n• 主从频率同步\n• 可调节软启动\n• 仿真的电流模式控制架构\n• 宽带宽误差放大器\n• 内置保护\n• HTSSOP-16EP(外露焊盘)\n• 使用 LM25575 并借助 WEBENCH® 电源设计器创建定制设计;

TI

德州仪器

LM25575

SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:989.27 Kbytes Page:29 Pages

TI

德州仪器

LM25575

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

LM25575

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.19 Kbytes Page:30 Pages

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

丝印代码:L25575MH;LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

LM25575 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Reference Accuracy • Operating Frequency Adjustable Between 50 kHz and 1 MHz With Single Resistor • Master or Slave Freq

TI

德州仪器

LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

42V、1.5A 降压开关稳压器

LM25575-Q1 是一款易于使用的降压开关稳压器,可使设计工程师使用最少的组件设计并优化可靠的电源。LM25575-Q1 的工作输入电压范围为 6V 至 42V,具有一个集成的 330mΩ N 沟道 MOSFET,可提供 1.5A 的连续输出电流。该稳压器采用仿真的电流模式架构,兼具固有的线路稳定度、出色的负载瞬态响应以及简化的环路补偿特性,不存在电流模式稳压器中常会出现的低占空比限制。工作频率可在 50kHz 至 1MHz 范围内进行调节,从而实现尺寸和效率优化。为降低 EMI,LM(2)557x 系列的多款 IC 可通过频率同步引脚实现自同步或同步到外部时钟。LM25575-Q1 的逐 • Qualified for Automotive 应用 \n• 器件温度等级 1:环境工作温度范围为 –40°C 至 +125°C\n \n• 集成 42V、330mΩ N 沟道 MOSFET\n• 6V 至 42V 的超宽输入电压范围\n• 低至 1.225V 的可调节输出电压\n• 1.5% 反馈基准精度\n• 可使用单个电阻器在 50kHz 至 1MHz 之间调节工作频率\n• 主或从模式的频率同步\n• 可调节软启动\n• 仿真的电流模式控制架构\n• 宽带宽误差放大器\n• 内置保护\n• HTSSOP-16EP(外露焊盘)\n• 使用 LM25575-Q1 并借助 WE;

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

丝印代码:L25575QMH;LM25575-Q1 42-V, 1.5-A Step-Down Switching Regulator

1 Features 1• Qualified for Automotive Applications – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature • Integrated 42-V, 330-mΩ N-Channel MOSFET • Ultra-Wide Input Voltage Range From 6 V to 42 V • Adjustable Output Voltage as Low as 1.225 V • 1.5% Feedback Refe

TI

德州仪器

SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:989.27 Kbytes Page:29 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

包装:盒 描述:BOARD EVALUATION FOR LM25575 开发板,套件,编程器 评估板 - DC/DC 与 AC/DC(离线)SMPS

TI

德州仪器

封装/外壳:16-PowerTSSOP(0.173",4.40mm 宽) 功能:降压 包装:卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带 描述:IC REG BUCK ADJ 1.5A 16HTSSOP 集成电路(IC) DC DC 开关稳压器

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.19 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.19 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:989.27 Kbytes Page:29 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.19 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.36 Kbytes Page:30 Pages

TI

德州仪器

SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator

文件:1.08742 Mbytes Page:32 Pages

TI

德州仪器

LM25575/LM25575-Q1 SIMPLE SWITCHER짰 42V, 1.5A Step-Down Switching Regulator

文件:999.19 Kbytes Page:30 Pages

TI

德州仪器

LM25575产品属性

  • 类型

    描述

  • Vin (Max) (V):

    42

  • Vout (Min) (V):

    1.23

  • Vout (Max) (V):

    40

  • Iout (Max) (A):

    1.5

  • Iq (Typ) (uA):

    1000

  • Switching frequency (Min) (kHz):

    50

  • Switching frequency (Max) (kHz):

    1000

  • Features:

    Frequency Synchronization

  • Operating temperature range (C):

    -40 to 125

  • Rating:

    Catalog

  • Regulated outputs (#):

    1

更新时间:2026-5-18 18:27:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
2450+
SMD
9485
只做原厂原装正品终端客户免费申请样品
TI(德州仪器)
23+
原厂封装
32078
10年以上分销商,原装进口件,服务型企业
ti
23+
HTSSOP16
10000
全新、原装
NS/国半
2025+
TSSOP16
3500
原装进口价格优 请找坤融电子!
TI/德州仪器
26+
原厂封装
102800
原厂授权一级代理,专注军工、汽车、医疗、工业、新能源、电力!
TI(德州仪器)
26+
HTSSOP-16-EP
10548
原厂订货渠道,支持账期,一站式服务!
NS
19+
HTSSOP16
8000
TI/德州仪器
23+
HTSSOP16
18204
原装正品代理渠道价格优势
TI/德州仪器
26+
TSSOP
86500
一级代理专营品牌!原装正品,现货为客户做到零风险!!
TI
24+
N/A
10000
只做原装,实单最低价支持

LM25575数据表相关新闻

  • LM25180QNGURQ1

    LM25180QNGURQ1

    2023-3-16
  • LM2574MX-5.0/NOPB 开关稳压器

    LM2574MX-5.0/NOPB 开关稳压器 0.5A STEP-DOWN VLTG REG

    2023-2-24
  • LM25183QNGURQ1

    原装正品现货

    2022-5-9
  • LM2574MX-ADJ/NOPB

    热门搜索: 3 A 5 V 开关稳压器 , SOT-23-5 SMD/SMT 开关稳压器 , 140 V 开关稳压器 , + 125 C 开关稳压器 , 36 V 1 Output SMD/SMT 开关稳压器 , 1 Output 3.3 V 开关稳压器

    2020-9-2
  • LM25576MHX/NOPB百分百原装正品现货

    焕盛达-专注原装 真芯服务;当天下单,当天发货;

    2020-7-28
  • LM2524-调整脉宽调制器

    LM3524D家庭是一个行业的改进版本标准的LM3524。它改善了规范的和额外的的能引脚对引脚兼容现有的3524家庭。新特性减少了需要额外的外部电路通常需要在原来的版本。LM3524D具有± 1%高精度5V参考。目前的输出驱动晶体管的承载能力已被提高到200毫安,同时减少VCESAT和增加VCE的60V的击穿。共模电压范围误差放大器已提高至5.5V,以消除需要一个电阻分压器从5V参考。LM3524D电路的偏置线已被隔离关机引脚。这可以防止振荡器的脉冲幅度从关机的干扰频率。另外 在高频率(.300 kHz)的最大值。每股占空比 产量已提高到44%比35%以下。 其他3524s占空比。 此外,LM

    2012-11-29