Texas Instruments PTPS7B4255QDYBRQ1

Name: PTPS7B4255QDYBRQ1
Brand: Texas Instruments
SKU: 6399444-PTPS7B4255QDYBRQ1
Availability: InStock
Rating: 5 (1 reviews)

Part Number:: PTPS7B4255QDYBRQ1

Manufacturer:: Texas Instruments

Ventron No:: 6399444-PTPS7B4255QDYBRQ1

Description:: Automotive, 70-mA 40-V voltage-tracking low-dropout (LDO) regulator with 5-mV tracking tolerance

ECAD Model:

Datasheet:: tps7b4255-q1

Specifications

Texas Instruments PTPS7B4255QDYBRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments PTPS7B4255QDYBRQ1.

Output options
Adjustable Output
Iout (max) (A)
0.07
Vin (max) (V)
40
Vin (min) (V)
3
Vout (max) (V)
40
Vout (min) (V)
2
Noise (μVrms)
150
Iq (typ) (mA)
0.031
Thermal resistance θJA (°C/W)
127
Rating
Automotive
Load capacitance (min) (μF)
1
Regulated outputs (#)
1
Features
Reverse current protection
Dropout voltage (Vdo) (typ) (mV)
500
Operating temperature range (°C)
-40 to 125

Description

The TPS7B4255-Q1 is a low-dropout (LDO) voltage-tracking regulator, with high tracking accuracy and excellent load and line transient response. The device is available in two 5-pin, SOT-23 packages (DBV and DYB). The TPS7B4255-Q1 is designed to supply off-board sensors in automotive applications such as powertrain systems. The device provides integrated protection features such as reverse polarity, output short to battery and ground, and current limit and thermal shutdown to protect against the high risk of cable failures in an off-board power system. The device is designed to maintain a 45-V (absolute maximum) input voltage to sustain the load dump transient conditions.

A reference voltage applied at the ADJ/EN pin effectively buffers the voltage with high accuracy for loads up to 70 mA. The high tracking accuracy provides accurate power supply to the off-board modules and enables better accuracy when measuring ratiometric sensors.

By setting the ADJ/EN input pin low, the TPS7B4255-Q1 switches to standby mode and reduces the quiescent current to the minimum value.

PTPS7B4255QDYBRQ1 More Descriptions

Automotive, 70-mA 40-V voltage-tracking low-dropout (LDO) regulator with 5-mV tracking tolerance 5-SOT-23 -40 to 125

Product Comparison

The three parts on the right have similar specifications to PTPS7B4255QDYBRQ1.

Image

Part Number

Manufacturer

Output options

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

Vout (max) (V)

Vout (min) (V)

Noise (μVrms)

Iq (typ) (mA)

Thermal resistance θJA (°C/W)

Rating

Load capacitance (min) (μF)

Regulated outputs (#)

Features

Dropout voltage (Vdo) (typ) (mV)

Operating temperature range (°C)

Fixed output options (V)

TI functional safety category

Accuracy (%)

PSRR at 100 KHz (dB)

View Compare
PTPS7B4255QDYBRQ1

Texas Instruments

Adjustable Output

0.07

40

3

40

2

150

0.031

127

Automotive

1

1

Reverse current protection

500

-40 to 125

-

-

-

-

-
PTPS7B8601BQDDARQ1

Texas Instruments

Adjustable Output

0.5

40

3

18

1.2

280

0.02

29.7

Automotive

2.2

1

Enable

370

-40 to 150

3.3

Functional Safety-Capable

1

65

PTPS7B4255QDYBRQ1 vs PTPS7B8601BQDDARQ1
PTPS7B4255QDBVRQ1

Texas Instruments

Adjustable Output

0.07

40

3

40

2

150

0.031

127

Automotive

1

1

Reverse current protection

500

-40 to 125

-

-

-

-

PTPS7B4255QDYBRQ1 vs PTPS7B4255QDBVRQ1
PTPS7A2045PDQNR

Texas Instruments

Fixed Output

0.3

6

1.6

5.5

0.8

7

0.0065

179.1

Catalog

1

1

Enable

110

-40 to 125

0.9

-

1.5

60

PTPS7B4255QDYBRQ1 vs PTPS7A2045PDQNR

Certification

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Texas Instruments PTPS7B4255QDYBRQ1

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