TPS7A88-Q1

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Rauscharmer, hochgenauer, zweikanaliger einstellbarer Spannungsregler mit geringem Dropout für den A

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Datenblatt

document-pdfAcrobat TPS7A88-Q1 Automotive, Dual, 1-A, Low-Noise (4 µVRMS) LDO Voltage Regulator datasheet (Rev. A) (Englisch) PDF | HTML

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TPS7A88-Q1

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Datenblatt

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Produktdetails

Rating

Automotive

Vin (max) (V)

6.5

Vin (min) (V)

1.4

Iout (max) (A)

1

Output options

Adjustable Output, Dual output

Vout (max) (V)

5.15

Vout (min) (V)

0.8

Noise (µVrms)

3.8

PSRR at 100 KHz (dB)

40

Iq (typ) (mA)

2.1

Features

Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package

Thermal resistance θJA (°C/W)

40

TI functional safety category

Functional Safety-Capable

Load capacitance (min) (µF)

10

Regulated outputs (#)

2

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

130

Operating temperature range (°C)

-40 to 140

Rating

Automotive

Vin (max) (V)

6.5

Vin (min) (V)

1.4

Iout (max) (A)

1

Output options

Adjustable Output, Dual output

Vout (max) (V)

5.15

Vout (min) (V)

0.8

Noise (µVrms)

3.8

PSRR at 100 KHz (dB)

40

Iq (typ) (mA)

2.1

Features

Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package

Thermal resistance θJA (°C/W)

40

TI functional safety category

Functional Safety-Capable

Load capacitance (min) (µF)

10

Regulated outputs (#)

2

Accuracy (%)

1

Dropout voltage (Vdo) (typ) (mV)

130

Operating temperature range (°C)

-40 to 140

WQFN (RTJ)

20

16 mm² (4 mm × 4 mm)

AEC-Q100 Qualified With the Following Results:
- Temperature Grade 1: –40°C ≤ T_A ≤ +125°C
- HBM ESD Classification Level 2
- CDM ESD Classification Level C5
Two Independent LDO Channels
Low Output Noise: 4 µV_RMS (10 Hz to 100 kHz)
Low Dropout: 230 mV (Maximum) at 1 A
Wide Input Voltage Range: 1.4 V to 6.5 V
Wide Output Voltage Range: 0.8 V to 5.15 V
High Power-Supply Ripple Rejection:
- 70 dB at 100 Hz
- 40 dB at 100 kHz
- 40 dB at 1 MHz
1% Accuracy Over Line, Load, and Temperature
Excellent Load Transient Response
Adjustable Start-Up Inrush Control
Selectable Soft-Start Charging Current
Independent Open-Drain Power-Good (PG) Outputs
Stable With a 10-µF or Larger Ceramic Output Capacitor
Low Thermal Resistance: R_θJA = 39.8°C/W
4-mm × 4-mm Wettable Flank WQFN Package

AEC-Q100 Qualified With the Following Results:
- Temperature Grade 1: –40°C ≤ T_A ≤ +125°C
- HBM ESD Classification Level 2
- CDM ESD Classification Level C5
Two Independent LDO Channels
Low Output Noise: 4 µV_RMS (10 Hz to 100 kHz)
Low Dropout: 230 mV (Maximum) at 1 A
Wide Input Voltage Range: 1.4 V to 6.5 V
Wide Output Voltage Range: 0.8 V to 5.15 V
High Power-Supply Ripple Rejection:
- 70 dB at 100 Hz
- 40 dB at 100 kHz
- 40 dB at 1 MHz
1% Accuracy Over Line, Load, and Temperature
Excellent Load Transient Response
Adjustable Start-Up Inrush Control
Selectable Soft-Start Charging Current
Independent Open-Drain Power-Good (PG) Outputs
Stable With a 10-µF or Larger Ceramic Output Capacitor
Low Thermal Resistance: R_θJA = 39.8°C/W
4-mm × 4-mm Wettable Flank WQFN Package

The TPS7A88-Q1 is a dual, low-noise (4 µV_RMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A per channel with 250 mV of maximum dropout.

The TPS7A88-Q1 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.15 V. The TPS7A88-Q1 wide input-voltage range supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88-Q1 is ideal for powering sensitive analog low-voltage devices (such as voltage-controlled oscillators [VCOs], analog-to-digital converters [ADCs], digital-to-analog converters [DACs], high-end processors, and field-programmable gate arrays [FPGAs]).

The TPS7A88-Q1 is designed to power noise-sensitive components such as those found in RF, radar communications, and telematic applications. The low 4-µV_RMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs. The TPS7A88-Q1 features wettable flanks for simple optical inspection.

The TPS7A88-Q1 is a dual, low-noise (4 µV_RMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A per channel with 250 mV of maximum dropout.

The TPS7A88-Q1 provides the flexibility of two independent LDOs and approximately 50% smaller solution size than two single-channel LDOs. Each output is adjustable with external resistors from 0.8 V to 5.15 V. The TPS7A88-Q1 wide input-voltage range supports operation as low as 1.4 V and up to 6.5 V.

With 1% output voltage accuracy (over line, load, and temperature) and soft-start capabilities to reduce in-rush current, the TPS7A88-Q1 is ideal for powering sensitive analog low-voltage devices (such as voltage-controlled oscillators [VCOs], analog-to-digital converters [ADCs], digital-to-analog converters [DACs], high-end processors, and field-programmable gate arrays [FPGAs]).

The TPS7A88-Q1 is designed to power noise-sensitive components such as those found in RF, radar communications, and telematic applications. The low 4-µV_RMS output noise and wideband PSRR (40 dB at 1 MHz) minimizes phase noise and clock jitter. These features maximize performance of clocking devices, ADCs, and DACs. The TPS7A88-Q1 features wettable flanks for simple optical inspection.

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Andere Linear- und Low-Dropout-Regler (LDO) suchen

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	TPS7A88-Q1 Automotive, Dual, 1-A, Low-Noise (4 µVRMS) LDO Voltage Regulator datasheet (Rev. A)	PDF \| HTML	15.09.2017
	Informationen zur funktionalen Sicherheit	TPS7A88-Q1 Functional Safety FIT Rate and Failure Mode Distribution		17.12.2019
	Anwendungshinweis	A Topical Index of TI LDO Application Notes (Rev. F)		27.06.2019
	Auswahlhilfe	Low Dropout Regulators Quick Reference Guide (Rev. P)		21.03.2018
	Weitere Dokumente	Fundamentals of designing with LDOs in auto battery direct connect applications		27.02.2017

Design und Entwicklung

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Evaluierungsplatine

TPS7A8801EVM-776 — TPS7A8801 Dualer rauscharmer (3,8 μVRMS) 1-A-LDO-Spannungsregler – Evaluierungsmodul

The TPS7A8801EVM-776 evaluation module is designed for a typical configuration to evaluate the operation and performance of the TPS7A8801, dual 1-A low dropout voltage regulator.
The EVM circuit board is configured to be a reference design for engineering applications requiring current to a dynamic (...)

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