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Hot selling one stop electronic component supply TPS7B4253QDDARQ1 Low-Dropout Voltage-Tracking LDO With 4-mV Tracking Tolerance

TPS7B4253QDDARQ1

Model:TPS7B4253QDDARQ1

Manufacturer:TI

Package:8-SO PowerPad

详情

Product Description


For automotive off-board sensors and small current off-board modules, the power supply is through a long cable from the main board. In such  

cases, protection is required in the power devices for the offboard loads to prevent the onboard components from damage during a short to 

GND or short to battery caused by a broken cable. Off-board sensors require consistent power supply as onboard components to secure high 

accuracy of data acquisition.


The TPS7B4253-Q1 device is designed for automotive applications with a 45-V load dump. The device can either be used as one tracking 

lowdropout (LDO) regulator or voltage tracker to build one closed power loop for off-board sensors with an onboard main supply. The output of the device is accurately regulated by a reference voltage at the ADJ pin.


To provide an accurate power supply to the off-board modules, the device offers a 4-mV ultralow tracking tolerance between the ADJ and FB 

pins across temperature. The back-to-back PMOS topology eliminates the need for an external diode under reverse polarity condition. The 

TPS7B4253-Q1 device also includes thermal shutdown, inductive clamp, overload, and short-to-battery protection to prevent damage to 

onboard components during extreme conditions.


Product Features


• Qualified for Automotive Applications

• AEC-Q100 Qualified With the Following Results:

– Device Temperature Grade 1: –40°C to

+125°C Ambient Operating Temperature Range

– Device HBM ESD Classification Level 3A

– Device CDM ESD Classification Level C6

• –40 to 45-V Wide Input-Voltage Range (Maximum)

• Output Voltage Adjusts Down to:

– 1.5 to 40 V (HTSSOP)

– 2 to 40 V (SO PowerPAD™)

• 300-mA Output Current Capability

• Very-Low Output Tracking Tolerance, ±4 mV

• 320-mV Low Dropout Voltage when IOUT = 200 mA

• Separate Pins for Enable and Tracking Inputs (HTSSOP only)

• Low Quiescent Current (IQ):

– < 4 µA when EN = LOW

– 60 µA (Typical) at Light Loads

• Extremely Wide ESR Range.

– Stable With 10- to 500-µF Ceramic Output Capacitor, ESR 1 mΩ to 20 Ω

• Reverse Polarity Protection

• Current-Limit and Thermal-Shutdown Protection

• Output Short-Circuit Proof to Ground and Supply

• Inductive Clamp at OUT Pin

• Available in the Following Packages:

– 8-Pin SO PowerPAD Package

– 20-Pin HTSSOP Package


Product Applications


• Off-Board Sensor Supply

• High-Precision Voltage Tracking

• Power Switch for Off-Board Load


Specifications


AttributeAttribute value
ANSM-Part#ANSM-TPS7B4253QDDARQ1
CategoryIntegrated Circuits (ICs)
Power Management (PMIC)
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
MfrTexas Instruments
SeriesAutomotive, AEC-Q100
PackageTape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Product StatusActive
Output ConfigurationPositive
Output TypeAdjustable
Number of Regulators1
Voltage - Input (Max)40V
Voltage - Output (Min/Fixed)1.5V
Voltage - Output (Max)40V
Voltage Dropout (Max)0.52V @ 200mA
Current - Output300mA
Current - Quiescent (Iq)18 µA
Current - Supply (Max)400 µA
PSRR70dB (100Hz)
Control Features-
Protection FeaturesOver Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature-40°C ~ 150°C
Mounting TypeSurface Mount
Package / Case8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package8-SO PowerPad
Base Product NumberTPS7B4253


Actual product photos


TPS7B4253QDDARQ1


Product Data Book:



For more product information, please download the PDF


Payment&Transportation


详情8.1


Official Certificate&Certificate



详情页3.1



Multiple product supply



详情5.1


Company office environment


详情6.1


Warehouse Real Shot


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Standard packaging


详情9


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