TLE7270GNTMA1 Equivalent & Substitute Parts

Part Overview

The TLE7270GNTMA1 is a linear voltage regulator IC from Infineon Technologies designed for positive fixed 5V output at 300mA in a TO-263-5-1 surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The device provides integrated protection features including over-current, over-temperature, and short-circuit protection, with control features for delay and reset functionality.

Key Parameters

Parameter	Value
Manufacturer	Infineon Technologies
Output Voltage (Fixed)	5V
Output Current	300mA
Input Voltage (Max)	42V
Voltage Dropout (Max)	0.5V @ 200mA
Quiescent Current	30 µA
PSRR	60dB (100Hz)
Operating Temperature	-40°C ~ 150°C
Package	TO-263-6, D2PAK (5 Leads + Tab)
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution for the TLE7270GNTMA1 is determined by the following critical parameters: fixed 5V output voltage, surface mount TO-263 package compatibility, maximum input voltage of 42V, operating temperature range of -40°C to 150°C, and PSRR of 60dB at 100Hz. Substitute parts must maintain these core electrical and mechanical specifications to ensure functional equivalence.

The substitute parts identified are grouped into two categories based on output current capability and product status:

Category 1 (Direct Replacement - Same Output Current): TLE72702GATMA1 maintains the 300mA output current specification and is an active product with automotive qualification.

Category 2 (Higher Current Capability): NCV4275ADS50R4G and TLE4275QKTTRQ1 provide 450mA output current, exceeding the original specification. These parts are suitable for applications requiring higher current capacity while maintaining all other critical parameters.

Parameter Comparison

Parameter	TLE7270GNTMA1	TLE72702GATMA1	NCV4275ADS50R4G	TLE4275QKTTRQ1
Manufacturer	Infineon	Infineon	onsemi	Texas Instruments
Output Voltage	5V	5V	5V	5V
Output Current	300mA	300mA	450mA	450mA
Input Voltage (Max)	42V	42V	42V	42V
Voltage Dropout (Max)	0.5V @ 200mA	0.5V @ 200mA	0.5V @ 300mA	0.5V @ 300mA
Quiescent Current	30 µA	30 µA	200 µA	200 µA
PSRR	60dB (100Hz)	60dB (100Hz)	60dB (100Hz)	60dB (100Hz)
Operating Temperature	-40°C ~ 150°C	-40°C ~ 150°C	-40°C ~ 150°C (TJ)	-40°C ~ 150°C
Package	TO-263-5-1	TO-263-5	D2PAK-5	TO-263 (DDPAK-5)
Product Status	Obsolete	Active	Not For New Designs	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	-	AEC-Q100	AEC-Q100	AEC-Q100

Engineering Selection Recommendations

TLE72702GATMA1 is the primary direct substitute for the TLE7270GNTMA1. It maintains identical electrical specifications including 300mA output current and 30 µA quiescent current. This part is currently active in production with ROHS3 compliance and AEC-Q100 automotive qualification, making it suitable for new designs and production continuity.

TLE4275QKTTRQ1 (Texas Instruments) is recommended as the preferred alternative when higher output current capacity is acceptable. This part is active in production, ROHS3 compliant, and AEC-Q100 qualified. The increased output current of 450mA provides design margin for applications with variable load conditions.

NCV4275ADS50R4G (onsemi) offers equivalent electrical performance to TLE4275QKTTRQ1 with 450mA output current capability. However, this part carries a "Not For New Designs" status, making it suitable only for legacy system support or replacement applications where design changes are not feasible.

All substitute parts maintain the critical 5V output voltage, 42V maximum input voltage, 60dB PSRR, and -40°C to 150°C operating temperature range. Package compatibility is maintained across all options within the TO-263 family.

Frequently Asked Questions (FAQ)

Q: Can TLE72702GATMA1 be used as a direct drop-in replacement for TLE7270GNTMA1?

A: Yes. TLE72702GATMA1 maintains identical electrical specifications including 5V output, 300mA current, 0.5V dropout voltage, and 30 µA quiescent current. Both parts use compatible TO-263 package variants. The primary advantage is that TLE72702GATMA1 is an active product with ROHS3 compliance and AEC-Q100 qualification.

Q: What are the differences between the 300mA and 450mA output current options?

A: TLE72702GATMA1 provides 300mA output current matching the original specification. NCV4275ADS50R4G and TLE4275QKTTRQ1 provide 450mA output current. The higher current rating does not affect voltage regulation or dropout characteristics at the original 300mA operating point. Selection depends on application current requirements and design margin considerations.

Q: Are all substitute parts RoHS compliant?

A: TLE72702GATMA1, NCV4275ADS50R4G, and TLE4275QKTTRQ1 are all ROHS3 compliant. The original TLE7270GNTMA1 is RoHS non-compliant. For applications requiring RoHS compliance, any of the three substitute parts are suitable.

Q: Which substitute part is recommended for automotive applications?

A: All three substitute parts (TLE72702GATMA1, NCV4275ADS50R4G, and TLE4275QKTTRQ1) carry AEC-Q100 automotive qualification. TLE72702GATMA1 and TLE4275QKTTRQ1 are preferred due to active product status.

Q: What is the package compatibility between substitute parts?

A: All parts use compatible TO-263 package variants (D2PAK with 5 leads plus tab). Physical footprint compatibility is maintained across TLE7270GNTMA1, TLE72702GATMA1, NCV4275ADS50R4G, and TLE4275QKTTRQ1. PCB layout modifications are not required for substitution.

Q: Why is NCV4275ADS50R4G marked "Not For New Designs"?

A: This designation indicates the part is in mature production phase with limited design support from the manufacturer. It remains suitable for replacement and legacy system support but should not be selected for new product development. TLE4275QKTTRQ1 is the recommended alternative for new designs requiring 450mA output current.

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