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Giải thích chi tiết về linh kiện  LM46001-Q1 SIMPLE SWITCHER짰 3.5 V to 60 V 1 A Synchronous Step-Down Voltage Converter
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SW
VIN
PGND
CBOOT
VCC
BIAS
SYNC
RT
ENABLE
SS/TRK
AGND
FB
LM46001-Q1
VIN
COUT
CBOOT
CIN
CVCC
VOUT
CBIAS
RFBT
RFBB
CFF
L
PGOOD
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
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
LM46001-Q1
SNVSAA3A – JULY 2015 – REVISED AUGUST 2015
LM46001-Q1 SIMPLE SWITCHER® 3.5 V to 60 V 1 A Synchronous Step-Down Voltage
Converter
1 Features
3 Description
The LM46001-Q1 SIMPLE SWITCHER® regulator is
1
AEC-Q100 Qualified (–40°C to +125°C Operating
an easy to use synchronous step-down DC-DC
Junction Temperature)
converter capable of driving up to 1 A of load current
24 µA Quiescent Current in Regulation
from an input voltage ranging from 3.5 V to 60 V. The
High Efficiency at Light Load (DCM and PFM)
LM46001-Q1 provides exceptional efficiency, output
accuracy and drop-out voltage in a very small
Tested to EN55022/CISPR 22 EMI standards
solution size. An extended family is available in 0.5 A
Integrated Synchronous Rectification
and
2.0
A
load
current
options
in
pin-to-pin
Adjustable Frequency Range: 200 kHz to 2.2 MHz
compatible packages. Peak current mode control is
(500 kHz default)
employed
to
achieve
simple
control
loop
compensation and cycle-by-cycle current limiting.
Frequency Synchronization to External Clock
Optional features such as programmable switching
Internal Compensation
frequency,
synchronization,
power-good
flag,
Stable with Almost Any Combinations of Ceramic,
precision enable, internal soft-start, extendable soft-
Polymer, Tantalum, and Aluminum Capacitors
start, and tracking provide a flexible and easy to use
platform
for
a
wide
range
of
applications.
Power-Good Flag
Discontinuous conduction and automatic frequency
Soft-Start into Pre-Biased Load
reduction at light loads improve light load efficiency.
Internal Soft-Start: 4.1 ms
The family requires few external components and pin
arrangement allows simple, optimum PCB layout.
Extendable Soft-Start Time by External Capacitor
Protection features include thermal shutdown, VCC
Output Voltage Tracking Capability
under-voltage lockout, cycle-by-cycle current limit,
Precision Enable to Program System UVLO
and output short circuit protection. The LM46001-Q1
Output Short Circuit Protection with Hiccup Mode
device is available in the HTSSOP / PWP 16 leaded
package (5.1 mm x 6.6 mm x 1.2 mm) with 0.65 mm
Over Temperature Thermal Shutdown Protection
lead pitch. Pin to pin compatible with LM46000,
LM46002,
LM43603,
LM43602,
LM43601,
and
2 Applications
LM43600.
Sub-AM Band 12 V and 24 V Automotive
Device Information(1)
Industrial Power Supplies
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Telecommunications Systems
LM46001-Q1
HTSSOP (16)
5.1 mm x 6.6 mm
Commercial Vehicle Power Supplies
(1) For all available packages, see the orderable addendum at
General Purpose Wide VIN Regulation
the end of the datasheet.
High Efficiency Point-Of-Load Regulation
4 Simplified Schematic
Radiated Emission Graph
VOUT = 3.3 V, VIN = 24 V, FS= 500 kHz, IOUT = 1 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.


Số phần tương tự - LM46001QPWPTQ1

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Texas Instruments
LM46001QPWPTQ1 TI1-LM46001QPWPTQ1 Datasheet
2Mb / 55P
[Old version datasheet]   3.5-V to 60-V, 1 A Synchronous Step-Down Voltage Converter
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Mô tả tương tự - LM46001QPWPTQ1

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Texas Instruments
LM46001 TI-LM46001_15 Datasheet
1Mb / 52P
[Old version datasheet]   LM46001 SIMPLE SWITCHER짰 3.5 V to 60 V 1 A Synchronous Step-Down Voltage Converter
LM46001 TI1-LM46001 Datasheet
1Mb / 52P
[Old version datasheet]   LM46001 SIMPLE SWITCHER짰 3.5 V to 60 V 1 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
LM46000 TI1-LM46000 Datasheet
2Mb / 56P
[Old version datasheet]   LM46000 SIMPLE SWITCHER짰 3.5 V to 60 V 0.5 A Synchronous Step-Down Voltage Converter
LM46000 TI-LM46000_15 Datasheet
1Mb / 53P
[Old version datasheet]   LM46000 SIMPLE SWITCHER짰 3.5 V to 60 V 0.5 A Synchronous Step-Down Voltage Converter
LM43602-Q1 TI-LM43602-Q1_15 Datasheet
1Mb / 43P
[Old version datasheet]   LM43602-Q1 SIMPLE SWITCHER짰 3.5 V to 36 V 2-A Synchronous Step-Down Voltage Converter
LM43603-Q1 TI-LM43603-Q1_15 Datasheet
1Mb / 50P
[Old version datasheet]   LM43603-Q1 SIMPLE SWITCHER짰 3.5 V to 36 V 3 A Synchronous Step-Down Voltage Converter
LM43601 TI-LM43601_15 Datasheet
1Mb / 53P
[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
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