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LM5088QMH-2/NOPB PDF预览

LM5088QMH-2/NOPB

更新时间： 2024-11-16 00:52:59
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管输出元件
页数 文件大小 规格书
39页 1286K
描述
Wide Input Range Non-Synchronous Buck Controller

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LM5088QMH-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零件包装代码：TSSOP
包装说明：HTSSOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.57其他特性：ALSO HAS ADJUSTABLE OUTPUT VOLTAGE 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：75 V
最小输入电压：4.5 V标称输入电压：48 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：70 V
最小输出电压：1.205 V标称输出电压：7.8 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
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座面最大高度：1.1 mm
表面贴装：YES切换器配置：SINGLE
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

LM5088QMH-2/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LM5088, LM5088-Q1  
SNVS600I –DECEMBER 2008–REVISED AUGUST 2014  
LM5088, LM5088-Q1 Wide Input Range Non-Synchronous Buck Controller  
1 Features  
3 Description  
The LM5088 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 LM5088 can be configured to operate over an  
ultra-wide input voltage range of 4.5 V to 75 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 LM5088 switching frequency is  
programmable from 50 kHz to 1 MHz.  
1
•
LM5088-Q1 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 75V  
Low IQ Shutdown and Standby Modes  
High Duty Cycle Ratio Feature for Reduced  
Dropout Voltage  
•
•
•
Spread Spectrum EMI Reduction (LM5088-1)  
Hiccup Timer for Overload Protection (LM5088-2)  
Adjustable Output Voltage from 1.205 V with 1.5%  
Feedback Reference Accuracy  
•
•
•
•
•
•
•
Wide Bandwidth Error Amplifier  
Single Resistor Oscillator Frequency Setting  
Oscillator Synchronization Capability  
Programmable Soft-Start  
The LM5088 is available in two versions: The  
LM5088-1 provides a +/-5% frequency dithering  
function to reduce the conducted and radiated EMI,  
while the LM5088-2 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.  
High Voltage, Low Dropout Bias Regulator  
Thermal Shutdown Protection  
Package: HTSSOP (16 Pin)  
2 Applications  
Device Information(1)  
•
•
•
Automotive Infotainment  
PART NUMBER  
LM5088  
LM5088-Q1  
PACKAGE  
HTSSOP (16)  
HTSSOP (16)  
BODY SIZE (NOM)  
5.00 mm × 4.00 mm  
5.00 mm × 4.00 mm  
Automotive USB Accessory Adapters  
Industrial DC-DC Bias and Motor Drivers  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
4 Simplified Schematic  
VIN (4.5V-75V)  
Typical Application Circuit Efficiency  
RUV2  
VIN  
BOOT  
CBOOT  
EN  
Q
CIN  
RUV1  
HG  
SW  
L
VOUT  
DITH/RES  
CDITHER/RESTART  
RFB2  
RFB1  
D
COUT1  
COUT2  
CS  
VCC  
LM5088  
RRAMP  
CRAMP  
CSS  
Rs  
CVCC  
CSG  
OUT  
RAMP  
SS  
RT/SYNC  
FB  
RRT  
CCOMP  
RCOMP  
GND  
COMP  
CHF  
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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LM5088QMH-2/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM5088QMHX-2/NOPB TI

完全替代

 Wide Input Range Non-Synchronous Buck Controller

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