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LM61480RPHR PDF预览

LM61480RPHR

更新时间： 2024-11-28 02:50:55
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
50页 2297K
描述
LM62460, LM61480, and LM61495 Pin-Compatible 6-A/8-A/10-A Buck Converter Optimized for Power Density and Low EMI

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LM61480RPHR 数据手册

 浏览型号LM61480RPHR的Datasheet PDF文件第2页浏览型号LM61480RPHR的Datasheet PDF文件第3页浏览型号LM61480RPHR的Datasheet PDF文件第4页浏览型号LM61480RPHR的Datasheet PDF文件第5页浏览型号LM61480RPHR的Datasheet PDF文件第6页浏览型号LM61480RPHR的Datasheet PDF文件第7页 
LM61495, LM61480, LM62460  
SNVSBZ4 – FEBRUARY 2021  
LM62460, LM61480, and LM61495 Pin-Compatible 6-A/8-A/10-A Buck Converter  
Optimized for Power Density and Low EMI  
1 Features  
3 Description  
•
Functional Safety-Capable  
– Documentation available to aid functional safety  
system design  
Input voltage range from 3 V to 36 V  
RESET output with filter and delayed release  
Designed for low EMI:  
The LM6x4xx family of buck regulators are regulators  
that provide either fixed or adjustable output voltage  
that can be set from 1 V to 95% of expected input  
voltage. These regulators operate under a wide input  
voltage range or 3 V to 36 V and have transient  
tolerance up to 42 V.  
•
•
•
The family is designed for low EMI. The devices  
incorporate pin-selectable spread spectrum and an  
adjustable SW node rise time. Dual Random Spread  
Spectrum (DRSS) frequency hopping is set to ±5.5%  
(typical), drastically reducing peak emissions through  
a combination of triangular and pseudo random  
modulation. DRSS also includes advanced techniques  
to reduce output voltage ripple caused by spread  
spectrum modulation.  
– CISPR 11/32 class B compliant EVM  
– Pin-configurable spread spectrum  
– Adjustable SW node rise time  
– Above and below AM band operation: pin  
configurable at fixed 400 kHz and 2.2 MHz or  
adjustable from 200 kHz – 2.2 MHz  
– Low EMI symmetrical pinout  
– Light load mode is pin-configurable for constant  
frequency or pulse frequency modulation (PFM)  
High-efficiency solution  
An open-drain RESET output with filtering and  
delayed release gives a true indication of system  
status. In auto mode, the device automatically  
transitions between fixed-frequency pulse width  
modulation (FPWM) and pulse frequency modulation  
(PFM) modes of operation, allowing an unloaded  
current consumption of only 5 µA (typical). Electrical  
•
•
– 95% efficient for an 8-A load  
– 5-µA input current while unloaded in auto mode  
– <1-µA shutdown current (typical)  
High power density  
– Built-in compensation, soft start, current limit,  
thermal shutdown, and UVLO  
characteristics are specified over  
temperature range of –40°C to +150°C.  
a
junction  
– 4.5-mm × 3.5-mm wettable flank QFN package  
Device Information  
2 Applications  
PART NUMBER  
LM61495  
PACKAGE(1)  
BODY SIZE (NOM)  
•
•
•
•
•
Industrial transport  
Avionics  
Industrial PC  
PLC, DCS, and PAC  
Semiconductor test equipment  
LM61480  
VQFN (16)  
4.50 mm × 3.50 mm  
LM62460  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
3.0 V to 36 V input  
VIN1  
EN  
VIN2  
PGND2  
PGND1  
BIAS  
SW  
RESET  
SPSP  
CBOOT  
RBOOT  
FB  
MODE/SYNC  
VCC  
RT  
AGND  
EVM Efficiency with ϴJA = 21.6°C/W:  
VOUT = 5 V, FSW = 0.4 MHz  
Simplified Schematic  
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. ADVANCE INFORMATION for preproduction products; subject to change  
without notice.  
 
 
 
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