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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearTPS7A2433DBVR
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TPS7A2433DBVR - Texas Instruments

Manufacturer Part Number
TPS7A2433DBVR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS7A2433DBVR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
163,840 pcs available, New & Original
Parts Description
IC REG LINEAR 3.3V 200MA SOT23-5
Package
SOT-23-5
Data sheet
TPS7A2433DBVR.pdf

PCN Design/Specification

TPS7A24x 22/Mar/2022.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 163840
  • Unit Price: $0.305
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.305 $0.31
10+ $0.244 $2.44
30+ $0.217 $6.51
100+ $0.184 $18.40
500+ $0.17 $85.00
1000+ $0.16 $160.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS7A2433DBVR Tech Specifications
Texas Instruments - TPS7A2433DBVR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS7A2433DBVR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage Dropout (Max) 0.25V @ 200mA
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage - Input (Max) 18V
Supplier Device Package SOT-23-5
Series -
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Package / Case SC-74A, SOT-753
Package Tape & Reel (TR)
Product Attribute Attribute Value
PSRR 75dB ~ 62dB (10Hz ~ 1kHz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C (TJ)
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 4.5 µA
Current - Output 200mA
Control Features Enable
Base Product Number TPS7A2433

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TPS7A2433DBVR Image
TPS7A2433DBVR (1)

Manufacturer Part Number

TPS7A2433DBVR

Manufacturer

Texas Instruments

Introduction

TPS7A2433DBVR is a linear low-dropout voltage regulator optimized for power-sensitive applications.

Product Features and Performance

Positive fixed output voltage regulator

Low dropout voltage of 0.25V at 200mA load

Output voltage of 3.3V provided

Single regulator design

High PSRR of 75dB to 62dB from 10Hz to 1kHz

Low quiescent current of 4.5 µA

Includes enable control feature

Protection against overcurrent, overtemperature, and under-voltage lockout (UVLO)

Product Advantages

Improved power efficiency due to low dropout

Stable performance with high PSRR

Low power consumption with minimal quiescent current

Enhanced system safety through built-in protection features

TPS7A2433DBVR Image
TPS7A2433DBVR (2)

Key Technical Parameters

Voltage - Input (Max): 18V

Current - Output: 200mA

Voltage Dropout (Max): 0.25V @ 200mA

PSRR: 75dB ~ 62dB (10Hz ~ 1kHz)

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Under voltage lockout (UVLO)

Compatibility

Compatible with a variety of applications with 3.3V power requirement

Surface mount type suitable for PCBs

Packaged in SOT-23-5, conforming to industry standard sizing

Application Areas

Suitable for battery-powered devices

Ideal for portable electronics

Can be implemented in microcontroller power supply design

Product Lifecycle

Status: Active

No indication of nearing discontinuation

Check for possible future replacements or upgrades if necessary

Several Key Reasons to Choose This Product

Low dropout voltage enhances power efficiency

High PSRR ensures stable voltage supply in a noisy environment

Low quiescent current for energy-sensitive applications

Broad operating temperature range for extreme conditions

Robust protection features safeguard the system

Surface-mount package facilitates compact and flexible design

Produced by Texas Instruments, a leader in semiconductor solutions

Frequently Asked Questions(FAQ)

How does the TPS7A2433DBVR handle thermal shutdown and what design considerations should be made for high ambient temperatures?
The TPS7A2433DBVR includes over-temperature protection that disables the regulator when junction temperature exceeds approximately 160°C. With a maximum operating temperature of 125°C (TJ), designs in high ambient environments must ensure adequate PCB copper area or airflow to maintain junction temperature below this threshold. Given its 4.5 µA quiescent current and 200mA output capability, thermal performance scales with load current and dropout voltage—especially significant when input voltages are close to 3.3V. In compact layouts, thermal vias under the SOT-23-5 package can help dissipate heat more effectively.
What is the significance of the 0.25V maximum dropout voltage at 200mA for battery-powered applications using the TPS7A2433DBVR?
A dropout voltage of 0.25V means the TPS7A2433DBVR can regulate 3.3V as long as the input remains above 3.55V under full load. This efficiency advantage becomes critical in battery-operated systems where headroom is limited—such as Li-ion cells dropping below 3.8V near depletion. Compared to regulators with higher dropout, this allows longer operational life before shutdown, making it suitable for portable devices requiring stable 3.3V rails from single-cell sources.
How does the PSRR performance of the TPS7A2433DBVR vary across frequency ranges, and what impact does this have on noise-sensitive analog circuits?
The TPS7A2433DBVR provides 75dB PSRR at low frequencies (10Hz) but degrades to 62dB at 1kHz. While sufficient for many digital logic supplies, this roll-off may allow switching noise from nearby converters to couple into sensitive analog blocks unless filtered. In mixed-signal designs, additional LC filtering at the output or using a higher-PSRR regulator earlier in the power chain may be necessary when interfacing with ADCs or RF components sensitive to supply ripple above a few millivolts.
Can the TPS7A2433DBVR safely operate with an input voltage of 18V, and what precautions are needed for transient conditions?
Yes, the device supports up to 18V absolute maximum input voltage, but continuous operation above 12–15V increases power dissipation due to the dropout voltage. For example, delivering 200mA at 15V input results in ~440mW of power dissipated internally. Designers must verify thermal limits under such conditions and consider adding bulk capacitance at the input to absorb transients without exceeding voltage ratings. Input capacitors should also minimize impedance to suppress ringing during fast load steps.
How does the enable pin on the TPS7A2433DBVR function, and how does it compare to other power management ICs with similar features?
The TPS7A2433DBVR’s enable pin acts as a logic-controlled shutdown; pulling it low disables the output while keeping the internal circuitry in a low-power state. Unlike some LDOs that require precise enable thresholds or have hysteresis, this device offers simple CMOS-level control compatible with microcontrollers. When compared to adjustable regulators like the TPS7A4700, the fixed 3.3V output and lower IQ make it preferable for cost-sensitive, always-on digital loads rather than precision analog references.
What role does under-voltage lockout play in the TPS7A2433DBVR, and how does it prevent system instability?
The built-in UVLO feature ensures the TPS7A2433DBVR only enables when the input voltage reaches a sufficient level—typically above 2.5V—preventing brownout conditions from propagating downstream. This protects downstream logic from undefined states during startup or voltage dips. It’s particularly valuable in automotive or industrial environments where input transients might otherwise cause erratic behavior if the regulator attempted regulation during insufficient input energy.
Is the TPS7A2433DBVR suitable for space-constrained PCB layouts, and what layout recommendations improve stability?
Yes, the SOT-23-5 package occupies minimal board real estate, ideal for compact designs. However, stability requires careful layout: place input and output capacitors within 1mm of the pins, use solid ground planes, and avoid routing sensitive signals near the regulator. Ceramic capacitors of at least 1µF are recommended at both terminals to ensure phase margin and transient response. Poor layout can lead to oscillation or excessive overshoot, especially when driving capacitive loads above 10µF.
How does the quiescent current of the TPS7A2433DBVR compare to newer-generation ultra-low-IQ regulators, and what trade-offs exist?
At 4.5 µA typical IQ, the TPS7A2433DBVR outperforms standard LDOs but falls short of modern nano-power regulators like the TPS7A84 (which achieves <1 µA). This makes it less optimal for sleep-dominated IoT nodes but still efficient enough for intermittent-use devices. The trade-off is that higher IQ enables faster transient response and better PSRR—advantages lost when targeting sub-1µA regimes optimized for leakage minimization rather than dynamic performance.
What are the implications of using the TPS7A2433DBVR in hot-swap applications with inductive loads?
While the TPS7A2433DBVR lacks dedicated hot-swap controllers, its overcurrent and thermal protections help limit damage during inrush events. However, without active current limiting, large input-output capacitance combinations can draw surge currents exceeding 200mA momentarily, potentially triggering OCP. Adding a small series resistor (e.g., 1Ω) or pre-charging circuit mitigates this risk. Inductive kickback from loads like motors should be clamped separately, as the regulator does not include reverse-current protection.
How does the Moisture Sensitivity Level (MSL) rating of 1 affect handling and storage of TPS7A2433DBVR components?
With MSL 1, the TPS7A2433DBVR has unlimited shelf life and no special baking requirements prior to reflow. This simplifies inventory management and reduces handling complexity in high-volume manufacturing compared to MSL 3 or higher parts. However, despite the classification, standard ESD precautions still apply during manual assembly due to the sensitive gate oxides in the underlying CMOS process, even though the package itself isn’t hygroscopically vulnerable.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS7A2433DBVR

Product Attribute TPS7A2430DBVR TPS7A2436DBVR TPS7A2425DBVR TPS7A2533DRVR
Part Number TPS7A2430DBVR TPS7A2436DBVR TPS7A2425DBVR TPS7A2533DRVR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Number of Regulators - - - -
Current - Output - - - -
Voltage - Output (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Series - - - -
Protection Features - - - -
PSRR - - - -
Current - Quiescent (Iq) - - - -
Output Configuration - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount
Control Features - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage Dropout (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Output (Min/Fixed) - - - -

TPS7A2433DBVR Datasheet PDF

Download TPS7A2433DBVR pdf datasheets and Texas Instruments documentation for TPS7A2433DBVR - Texas Instruments.

PCN Assembly/Origin
Additional Assembly sites 21/Sep/2021.pdf
PCN Packaging
Additional Binary Codes 03/Oct/2022.pdf
PCN Design/Specification
TPS7A24x 22/Mar/2022.pdf

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Brazil 7
Europe Germany 5
United Kingdom 4
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New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
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TPS7A2433DBVR Image

TPS7A2433DBVR

Texas Instruments
32D-TPS7A2433DBVR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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