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LM25088MH-2/NOPB PDF预览

LM25088MH-2/NOPB

更新时间： 2024-11-16 00:53:03
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
39页 1276K
描述
LM25088, LM25088-Q1 Wide Input Range Non-Synchronous Buck Controller

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LM25088MH-2/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HTSSOP, TSSOP16,.25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.53其他特性：SEATED HGT-NOM, ALSO OPERATES IN ADJUSTABLE MODE FROM 1.205V
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：42 V
最小输入电压：4.5 V标称输入电压：24 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：10 A最大输出电压：40 V
最小输出电压：1.205 V封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：4.5 mA标称供电电压 (Vsup)：24 V
表面贴装：YES切换器配置：BUCK
最大切换频率：1000 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

LM25088MH-2/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LM25088, LM25088-Q1  
SNVS609J –DECEMBER 2008–REVISED JANUARY 2015  
LM25088, LM25088-Q1 Wide Input Range Non-Synchronous Buck Controller  
1 Features  
3 Description  
The LM25088 high voltage non-synchronous buck  
controller features all the necessary functions to  
implement an efficient high voltage buck converter  
using a minimum number of external components.  
The LM25088 can be configured to operate over an  
ultra-wide input voltage range of 4.5 V to 42 V. This  
easy to use controller includes a level shifted gate  
driver capable of controlling an external N-channel  
buck switch. The control method is based upon peak  
current mode control utilizing an emulated current  
ramp. The use of an emulated control ramp reduces  
noise sensitivity of the pulse-width modulation circuit,  
allowing reliable control of very small duty cycles  
necessary in high input voltage/low output voltage  
applications. The LM25088 switching frequency is  
programmable from 50 kHz to 1 MHz.  
1
•
LM25088Q is an Automotive Grade Product that is  
AEC-Q100 Grade 1 Qualified (-40°C to +125°C  
Operating Junction Temperature)  
•
•
•
•
•
Emulated Current Mode Control  
Drives External High-Side N-Channel MOSFET  
Ultra-Wide Input Voltage Range from 4.5V to 42V  
Low IQ Shutdown and Standby Modes  
High Duty Cycle Ratio Feature for Reduced  
Dropout Voltage  
•
•
Spread Spectrum EMI Reduction (LM25088-1)  
Hiccup Timer for Overload Protection (LM25088-  
2)  
•
Adjustable Output Voltage from 1.205 V with 1.5%  
Feedback Reference Accuracy  
The LM25088 is available in two versions: The  
LM25088-1 provides a +/-5% frequency dithering  
function to reduce the conducted and radiated EMI,  
while the LM25088-2 provides a versatile restart timer  
for overload protection. Additional features include a  
low dropout bias regulator, tri-level enable input to  
control shutdown and standby modes, soft-start and  
oscillator synchronization capability. The device is  
available in a thermally enhanced HTSSOP-16 pin  
package.  
•
•
•
•
•
•
•
Wide Bandwidth Error Amplifier  
Single Resistor Oscillator Frequency Setting  
Oscillator Synchronization Capability  
Programmable Soft-Start  
High Voltage, Low Dropout Bias Regulator  
Thermal Shutdown Protection  
Package: HTSSOP 16-Pin  
Device Information(1)  
2 Applications  
•
•
•
Automotive Infotainment  
PART NUMBER  
LM25088  
PACKAGE  
HTSSOP (16)  
HTSSOP (16)  
BODY SIZE (NOM)  
5.00 mm × 4.40 mm  
5.00 mm × 4.40 mm  
Automotive USB Accessory Adapters  
Industrial DC-DC Bias and Motor Drivers  
LM25088-Q1  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
4 Simplified Schematic  
VIN (4.5V-42V)  
Typical Application Circuit Efficiency  
R
R
UV2  
UV1  
VIN  
BOOT  
C
BOOT  
EN  
Q
C
HG  
SW  
IN  
C
L
VOUT  
DITH/RES  
DITHER/RESTART  
R
R
FB2  
LM25088  
D
C
OUT1  
C
OUT2  
CS  
VCC  
FB1  
R
Rs  
RAMP  
C
VCC  
CSG  
OUT  
RAMP  
C
RAMP  
C
SS  
SS  
RT/SYNC  
FB  
R
RT  
C
R
COMP  
COMP  
GND  
COMP  
C
HF  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
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LM25088MH-2/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM25088MHX-2/NOPB TI

完全替代

 LM25088, LM25088-Q1 Wide Input Range Non-Synchronous Buck Controller

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