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LM43601QPWPRQ1 bảng dữ liệu(PDF) 1 Page - Texas Instruments

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tên linh kiện LM43601QPWPRQ1
Giải thích chi tiết về linh kiện  3.5-V to 36-V, 1-A Synchronous Step-Down Voltage Converter
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LM43601QPWPRQ1 bảng dữ liệu(HTML) 1 Page - Texas Instruments

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background image
SW
VIN
PGND
CBOOT
VCC
BIAS
SYNC
RT
PGOOD
ENABLE
SS/TRK
AGND
FB
LM43601-Q1
VIN
COUT
CBOOT
CIN
CVCC
CBIAS
RFBT
RFBB
CFF
L
CSS
RT
RSYNC
VOUT
Tie BIAS to PGND
when VOUT < 3.3 V
RENT
RENB
EN 55022 Class B Limit
Frequency (MHz)
dBuV
80
70
60
50
40
30
20
10
30
Evaluation Board Emissions
1000
100
Vertical Polarization
Horizontal Polarization
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
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.
LM43601-Q1
SNVSAA0B – JULY 2015 – REVISED NOVEMBER 2017
LM43601-Q1 3.5-V to 36-V, 1-A Synchronous Step-Down Voltage Converter
1
1 Features
1
Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
33-µA Quiescent Current in Regulation
High Efficiency at Light Load (DCM and PFM)
Tested to EN55022/CISPR 22 EMI standards
Integrated Synchronous Rectification
Adjustable Frequency Range: 200 kHz to 2.2 MHz
(500 kHz default)
Frequency Synchronization to External Clock
Internal Compensation
Stable With Almost Any Combination of Ceramic,
Polymer, Tantalum, and Aluminum Capacitors
Power-Good Flag
Soft Start into Pre-Biased Load
Internal Soft Start: 4.1 ms
Extendable Soft-Start Time by External Capacitor
Output Voltage Tracking Capability
Precision Enable to Program System UVLO
Output Short-Circuit Protection With Hiccup Mode
Overtemperature Thermal Shutdown Protection
Create a Custom Design Using the LM43601-Q1
With the WEBENCH® Power Designer
2 Applications
Sub-AM Band Automotive
Telecommunications Systems
General Purpose Wide VIN Regulation
High Efficiency Point-Of-Load Regulation
3 Description
The
LM43601-Q1
regulator
is
an
easy-to-use
synchronous step-down DC-DC converter capable of
driving up to 1 A of load current from an input voltage
ranging from 3.5 V to 36 V (42 V transient). The
LM43601-Q1 provides exceptional efficiency, output
accuracy and dropout voltage in a very small solution
size. An extended family is available in 0.5 A, 2 A,
and 3 A load current options in pin-to-pin compatible
packages. Peak current mode control is employed to
achieve simple control loop compensation and cycle-
by-cycle current limiting. Optional features such as
programmable switching frequency, synchronization,
power-good flag, precision enable, internal soft start,
extendable soft start, and tracking provide a flexible
and easy-to-use platform for a wide range of
applications. Discontinuous conduction and automatic
frequency modulation at light loads improve light load
efficiency.
The
family
requires
few
external
components and pin arrangement allows simple,
optimum PCB layout. Protection features include
thermal shutdown, VCC undervoltage lockout, cycle-
by-cycle
current
limit,
and
output
short
circuit
protection. The LM43601-Q1 device is available in
the HTSSOP (PWP) 16-leaded package (6.6 mm ×
5.1 mm × 1.2 mm) with 0.65-mm lead pitch. The
device is pin-to-pin compatible with LM4360x and
LM4600x families. The LM43601A-Q1 version is
optimized for PFM operation and recommended for
new designs.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM43601-Q1
HTSSOP (16)
6.60 mm × 5.10 mm
LM43601A-Q1
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
Simplified Schematic
Radiated Emission Graph
VIN = 12 V, VOUT = 3.3 V, FS = 500 kHz, IOUT = 1 A


Số phần tương tự - LM43601QPWPRQ1

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Texas Instruments
LM43601QPWPRQ1 TI1-LM43601QPWPRQ1 Datasheet
1Mb / 53P
[Old version datasheet]   LM43601-Q1 SIMPLE SWITCHER짰 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter
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Mô tả tương tự - LM43601QPWPRQ1

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
LM43600-Q1 TI1-LM43600-Q1_17 Datasheet
2Mb / 54P
[Old version datasheet]   3.5-V to 36-V, 0.5-A Synchronous Step-Down Voltage Converter
LM43601 TI-LM43601_15 Datasheet
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[Old version datasheet]   LM43601 SIMPLE SWITCHER짰 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter
LM43601 TI1-LM43601_16 Datasheet
1Mb / 53P
[Old version datasheet]   LM43601 SIMPLE SWITCHER짰 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter
LM46001-Q1 TI1-LM46001-Q1_17 Datasheet
2Mb / 55P
[Old version datasheet]   3.5-V to 60-V, 1 A Synchronous Step-Down Voltage Converter
LM43601-Q1 TI-LM43601-Q1_15 Datasheet
1Mb / 51P
[Old version datasheet]   LM43601-Q1 SIMPLE SWITCHER 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter
LM43602-Q1 TI1-LM43602-Q1 Datasheet
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[Old version datasheet]   SIMPLE SWITCHER 3.5 V to 36 V 2-A Synchronous Step-Down Voltage Converter
LM43603-Q1 TI1-LM43603-Q1 Datasheet
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[Old version datasheet]   SIMPLE SWITCHER 3.5 V to 36 V 3 A Synchronous Step-Down Voltage Converter
LM43601-Q1 TI1-LM43601-Q1_16 Datasheet
1Mb / 53P
[Old version datasheet]   LM43601-Q1 SIMPLE SWITCHER짰 3.5 V to 36 V 1 A Synchronous Step-Down Voltage Converter
LM43603-Q1 TI1-LM43603-Q1_17 Datasheet
1Mb / 50P
[Old version datasheet]   SIMPLE SWITCHER 3.5 V to 36 V 3 A Synchronous Step-Down Voltage Converter
LM43600 TI-LM43600_15 Datasheet
1Mb / 53P
[Old version datasheet]   SIMPLE SWITCHER 3.5 V to 36 V 0.5 A Synchronous Step-Down Voltage Converter
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