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TPS54362-Q1 Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS54362-Q1
Description  TPS54362-Q1 3-A, 60-V Step-Down DC-DC Converter With Low
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54362-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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OV_TH
RST_TH
COMP
SS
VSENSE
PH
BOOT
VReg
Rslew
V
(Vreg)
VIN
LPM
VIN
EN
SYNC
RST
GND
RT
Cdly
V
(VIN)
TPS54362x-Q1
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Folder
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TPS54362-Q1
SLVS845G – MARCH 2009 – REVISED AUGUST 2014
TPS54362-Q1 3-A, 60-V Step-Down DC-DC Converter With Low I(q)
1 Features
2 Applications
1
Qualified for Automotive Applications
Automotive Telematics
AEC-Q100 Qualified With the Following Results:
Navigation Systems
In-Dash Instrumentation
Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature
Battery-Powered Applications
Device HBM ESD Classification Level 2
3 Description
Device CDM ESD Classification Level C5
The TPS54362-Q1 device is a step-down switch-
Withstands Transients up to 60 V With an
mode power supply with a low-power mode and a
Operating Range of 3.6 V to 48 V
programmable voltage supervisor. Integrated input
Asynchronous Switch-Mode Regulator With
voltage-line
feed-forward
topology
improves
line
External Components (L and C), Load Current up
transient
regulation
of
the
voltage-mode
buck
to 3 A (max.)
regulator. The regulator has a cycle-by-cycle current
limit. Pulse-skip mode operation under no load
0.8 V ± 1.5% Voltage Reference
reduces the supply current to 65
μA. Using the
200-kHz to 2.2-MHz Switching Frequency
enable pin reduces the supply shutdown current to
High-Voltage-Tolerant Enable Input for ON/OFF
1
μA.
State
An open-drain reset signal indicates when the
Soft Start on Enable Cycle
nominal output drops below the threshold set by an
Slew-Rate Control on Internal Power Switch
external
resistor-divider
network.
A
soft-start
capacitor controls the output voltage start-up ramp.
External Clock Input for Synchronization
The
device
activates
an
internal
undervoltage
Pulse-Skip Mode (PFM) During Light Output
shutdown when the input supply ramps down to
Loads With Quiescent Current = 65
μA Typical
2.6 V.
(LPM Operation)
Frequency foldback operation protects the device
External Compensation for Wide-Bandwidth Error
during an overload conditions on the output. The
Amplifier
device also has thermal shutdown protection due to
Internal Undervoltage Lockout, UVLO
excessive power dissipation.
Programmable Reset Power-On Delay
The B-revision has an improved leakage current
Reset-Function Filter Time for Fast Negative
parameter, and improved discharged function while in
Transients
disable mode.
Programmable Overvoltage Output Monitoring
Device Information(1)
Programmable Undervoltage Output Monitoring,
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Issuance of Reset if Output Falls Below Threshold
TPS54362-Q1
HTSSOP (20)
6.50 mm × 4.40 mm
Thermal Shutdown During Excessive Power
(1) For all available packages, see the orderable addendum at
Dissipation
the end of the datasheet.
Switch Current-Limit Protection
Simplified Schematic
Short-Circuit and Overcurrent Protection of FET
Junction Temperature Range: –40°C to 150°C
20-Pin HTSSOP PowerPAD™ Package
Qualified for Automotive Applications
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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