TPS77833PWPR Equivalent & Substitute Parts

Part Overview

The TPS77833PWPR is a linear voltage regulator IC from Texas Instruments designed for positive fixed 3.3V output applications. It delivers 750mA output current with integrated protection features including over-current, over-temperature, and reverse polarity protection. The device operates across -40°C to 125°C and is housed in a 20-PowerTSSOP package. As an active product with 963 units in stock, the TPS77833PWPR remains available; however, alternative part numbers may be required due to supply chain considerations, design revisions, or specific inventory availability.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	3.3V
Output Current	750mA
Input Voltage (Max)	10V
Voltage Dropout (Max)	0.43V @ 750mA
Quiescent Current	125 µA
PSRR	60dB (1kHz)
Control Features	Enable, Power Good, Reset
Protection Features	Over Current, Over Temperature, Reverse Polarity
Operating Temperature Range	-40°C to 125°C
Package	20-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

The TPS77733PWPR qualifies as a parametric equivalent to the TPS77833PWPR based on identical electrical and mechanical specifications. Substitution is valid when the following criteria are met:

Output voltage (3.3V fixed) matches exactly
Output current capability (750mA) is identical
Maximum input voltage (10V) is the same
Voltage dropout specification (0.43V @ 750mA) is equivalent
Quiescent current (125 µA) is identical
PSRR performance (60dB at 1kHz) matches
Control features (Enable, Power Good, Reset) are identical
Protection features (Over Current, Over Temperature, Reverse Polarity) are the same
Operating temperature range (-40°C to 125°C) is identical
Package type (20-PowerTSSOP) and mounting method (Surface Mount) are identical

Both parts are manufactured by Texas Instruments, maintain active product status, and comply with ROHS3, REACH Unaffected, and identical regulatory classifications (EAR99, HTSUS 8542.39.0001).

Parameter Comparison

Parameter	TPS77833PWPR	TPS77733PWPR	Match
Manufacturer	Texas Instruments	Texas Instruments	Yes
Output Voltage (Fixed)	3.3V	3.3V	Yes
Output Current	750mA	750mA	Yes
Input Voltage (Max)	10V	10V	Yes
Voltage Dropout (Max)	0.43V @ 750mA	0.43V @ 750mA	Yes
Quiescent Current	125 µA	125 µA	Yes
PSRR	60dB (1kHz)	60dB (1kHz)	Yes
Control Features	Enable, Power Good, Reset	Enable, Power Good, Reset	Yes
Protection Features	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity	Yes
Operating Temperature	-40°C to 125°C	-40°C to 125°C	Yes
Package / Case	20-PowerTSSOP (0.173", 4.40mm Width)	20-PowerTSSOP (0.173", 4.40mm Width)	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
Product Status	Active	Active	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes
ECCN	EAR99	EAR99	Yes
HTSUS Code	8542.39.0001	8542.39.0001	Yes

Engineering Selection Recommendations

Both the TPS77833PWPR and TPS77733PWPR are active products manufactured by Texas Instruments with identical electrical performance and mechanical specifications. Selection between these parts should be based on:

Inventory availability: TPS77733PWPR has 3090 units in stock versus 963 units for TPS77833PWPR
Supply chain lead times and procurement timelines
Design documentation and reference schematics already in use
Compliance requirements: Both parts meet ROHS3 and REACH Unaffected standards with identical regulatory classifications

No performance degradation or functional compromise occurs when substituting either part for the other in applications requiring a 3.3V, 750mA linear voltage regulator with the specified control and protection features.

Frequently Asked Questions (FAQ)

Q: Can TPS77733PWPR be used as a direct replacement for TPS77833PWPR?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters including output voltage, current rating, dropout voltage, quiescent current, PSRR, control features, protection features, operating temperature range, and package type. No circuit modifications are required.

Q: Are there any differences in the 20-PowerTSSOP package between these parts?

A: No. Both parts use the identical 20-PowerTSSOP package with 0.173" width (4.40mm). PCB footprints, solder pad layouts, and mounting procedures are identical.

Q: Do both parts support the same control features?

A: Yes. Both the TPS77833PWPR and TPS77733PWPR include Enable, Power Good, and Reset control features with identical functionality and pin configuration.

Q: What protection features are included in both parts?

A: Both parts include Over Current, Over Temperature, and Reverse Polarity protection. These features are identical in specification and operation.

Q: Are there compliance or certification differences between these parts?

A: No. Both parts are ROHS3 Compliant, REACH Unaffected, classified as EAR99, and share the same HTSUS code (8542.39.0001). Regulatory and environmental compliance is identical.

Q: What is the maximum input voltage for both regulators?

A: The maximum input voltage for both the TPS77833PWPR and TPS77733PWPR is 10V. Circuit design must ensure input voltage does not exceed this specification.

Q: Is the quiescent current specification the same for both parts?

A: Yes. Both parts have a quiescent current of 125 µA, ensuring identical standby power consumption characteristics.

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