Datasheet 搜索 > DC/DC转换器 > TI（德州仪器） > LM43603QPWPTQ1 数据手册 > LM43603QPWPTQ1 数据手册 1/50 页
器件3D模型￥ 279.241
LM43603QPWPTQ1 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
HTSSOP-16
描述:
开关稳压器 Automotive Qualified 3.5V to 36V, 3A Synchronous Step-Down Voltage Converter 16-HTSSOP -40 to 125
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P24P25P26
原理图在P1P14P15P20P22P24P25P29
封装尺寸在P46P48P49
焊盘布局在P42
标记信息在P46
封装信息在P43P46P47P48P49
技术参数、封装参数在P4
应用领域在P1P24P25P26P50
电气规格在P4P5P6
导航目录
LM43603QPWPTQ1数据手册
Page:
of 50 Go
若手册格式错乱，请下载阅览PDF原文件
0
10
20
30
40
50
60
70
80
0 200 400 600 800 1000
Radiated EMI Emissions (dBµV/m)
Frequency (MHz)
Evaluation Board
EN 55022 Class B Limit
EN 55022 Class A Limit
C001
C001
SWVIN
PGND
CBOOT
VCC
BIAS
SYNC
RT
ENABLE
SS/TRK
AGND
FB
LM43603Q
V
IN
C
OUT
C
BOOT
C
IN
C
VCC
V
OUT
C
BIAS
R
FBT
R
FBB
C
FF
L
PGOOD
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
LM43603-Q1
SNVSA82A –APRIL 2015–REVISED MAY 2015
LM43603-Q1 SIMPLE SWITCHER® 3.5 V to 36 V 3 A Synchronous Step-Down Voltage
Converter
1 Features 3 Description
The LM43603-Q1 SIMPLE SWITCHER
®
regulator is
1
• LM43603-Q1 is an Automotive-Grade Product that
an easy-to-use synchronous step-down DC-DC
is AEC-Q100 Qualified (–40°C to +125°C
converter capable of driving up to 3 A of load current
Operating Junction Temperature)
from an input voltage ranging from 3.5 V to 36 V (42
• 27 µA Quiescent Current in Regulation
V abs max). The LM43603-Q1 provides exceptional
efficiency, output accuracy, and dropout voltage in a
• High Efficiency at Light Load (DCM and PFM)
very small solution size. An extended family is
• Meets EN55022/CISPR 22 EMI Standards
available in 0.5 A ,1 A, and 2 A load current options
• Integrated Synchronous Rectification
in pin-to-pin compatible packages. Peak current
• Adjustable Frequency Range: 200 kHz to 2.2 MHz
mode control is employed to achieve simple control
(500 kHz default) loop compensation and cycle-by-cycle current
limiting. Optional features such as programmable
• Frequency Synchronization to External Clock
switching frequency, synchronization, power-good
• Internal Compensation
flag, precision enable, internal soft-start, extendable
• Stable with Almost any Combination of Ceramic,
soft-start, and tracking provide a flexible and easy to
Polymer, Tantalum, and Aluminum Capacitors
use platform for a wide range of applications.
Discontinuous conduction and automatic frequency
• Power-Good Flag
modulation at light loads improve light load efficiency.
• Soft-Start into a Pre-Biased Load
The family requires few external components and pin
• Internal Soft-Start: 4.1 ms
arrangement allows simple, optimum PCB layout.
Protection features include thermal shutdown, V
CC
• Extendable Soft-Start Time by External Capacitor
undervoltage lockout, cycle-by-cycle current limit, and
• Output Voltage Tracking Capability
output short circuit protection. The LM43603-Q1
• Precision Enable to a Program System UVLO
device is available in the HTSSOP / PWP 16-pin
• Output Short Circuit Protection with Hiccup Mode leaded package (5.1 mm x 6.6 mm x 1.2 mm); the
device is pin-to-pin compatible with LM43600,
• Overtemperature Thermal Shutdown Protection
LM43601, LM43602, LM46000, LM46001, and
LM46002.
2 Applications
• Sub-AM Band Automotive
Device Information
PART NUMBER PACKAGE BODY SIZE
• Industrial Power Supplies
LM43603-Q1 HTSSOP (16) 5.1 mm x 6.6 mm
• Telecommunications Systems
• General Purpose Wide V
IN
Regulation
• High Efficiency Point-Of-Load Regulation
4 Simplified Schematic
Radiated Emission Graph
12 V
IN
to 3.3 V
OUT
, F
S
= 500 kHz, I
OUT
= 3 A
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.
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
