- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 降压稳压器
- 功能描述：6-42V 宽输入电压、1A 恒定导通时间非同步降压稳压器
- 点击这里打开及下载LM25010的技术文档资料
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The LM25010 features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.
- LM25010-Q1 Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
- Device Temperature Grade 0: –40°C to 150°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C5
- Wide 6-V to 42-V Input Voltage Range
- Valley Current Limiting at 1.25 A
- Programmable Switching Frequency Up To 1 MHz
- Integrated N-Channel Buck Switch
- Integrated High Voltage Bias Regulator
- No Loop Compensation Required
- Ultra-Fast Transient Response
- Nearly Constant Operating Frequency With Line and Load Variations
- Adjustable Output Voltage
- 2.5 V, ±2% Feedback Reference
- Programmable Soft Start
- Thermal Shutdown
- Vin (Min) (V)
- 6
- Vin (Max) (V)
- 42
- Vout (Min) (V)
- 2.5
- Vout (Max) (V)
- 37
- Iout (Max) (A)
- 1
- Iq (Typ) (uA)
- 645
- Switching frequency (Min) (kHz)
- 50
- Switching frequency (Max) (kHz)
- 1000
- Features
- Enable, Over Current Protection
- Rating
- Catalog
- Regulated outputs (#)
- 1
- Control mode
- Constant on-time (COT)
- Duty cycle (Max) (%)
- 99
LM25010的完整型号有：LM25010MH/NOPB、LM25010MHX/NOPB、LM25010SD/NOPB、LM25010SDX/NOPB，以下是这些产品的关键参数及官网采购报价：
LM25010MH/NOPB，工作温度：-40 to 125，封装：HTSSOP (PWP)-14，包装数量MPQ：94个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM25010MH/NOPB的批量USD价格：1.104（1000+）
LM25010MHX/NOPB，工作温度：-40 to 125，封装：HTSSOP (PWP)-14，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM25010MHX/NOPB的批量USD价格：.92（1000+）
LM25010SD/NOPB，工作温度：-40 to 125，封装：WSON (DPR)-10，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网LM25010SD/NOPB的批量USD价格：1.104（1000+）
LM25010SDX/NOPB，工作温度：-40 to 125，封装：WSON (DPR)-10，包装数量MPQ：4500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM25010SDX/NOPB的批量USD价格：.92（1000+）
LM25010EVAL — 用于 42V、1.0A 降压开关稳压器的评估板
LM25010 42V, 1.0A Step-Down Switching Regulator
LM5010A PSpice Transient Model
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