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TPS77101QDGKRQ1

LDO Regulator Pos 1.5V to 5.5V 0.15A Automotive 8-Pin VSSOP T/R

Manufacturer: Texas Instruments, Inc
Mfr.Part #: TPS77101QDGKRQ1
Datasheet: TPS77101QDGKRQ1 Datasheet (PDF)
Package/Case: MSOP-8
Product Type: Power Management ICs
RoHS:
Lifecycle: Active

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TPS77101QDGKRQ1 General Description

The TPS771xx and TPS772xx are low-dropout regulators with integrated power-on reset and power good (PG) function respectively. These devices are capable of supplying 150 mA of output current with a dropout of 115 mV (TPS77133, TPS77233). Quiescent current is 92 μA at full load dropping down to 1 μA when device is disabled. These devices are optimized to be stable with a wide range of output capacitors including low ESR ceramic (10 μF) or low capacitance (1 μF) tantalum capacitors. These devices have extremely low noise output performance (55 \xECVrms) without using any added filter capacitors. TPS771xx and TPS772xx are designed to have fast transient response for larger load current changes.

The TPS771xx or TPS772xx is offered in 1.5 V,1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5 V fixed-voltage versions and in an adjustable version (programmable over the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line, load, and temperature ranges. The TPS771xx and TPS772xx families are available in 8-pin MSOP (DGK) packages.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is low (typically 115 mV at an output current of 150 mA for 3.3-V option) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is low and independent of output loading (typically 92 \xECA over the full range of output current, 0 mA to 150 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when the EN pin is connected to a low-level input voltage. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 μA at T_J = 25°C.

The TPS771xx features an integrated power-on reset, commonly used as a supply voltage supervisor (SVS) or reset output voltage. The RESET output of the TPS771xx initiates a reset in DSP, microcomputer or microprocessor systems at power up and in the event of an undervoltage condition. An internal comparator in the TPS771xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT reaches 95% of its regulated voltage, RESET goes to a high-impedance state after a 220 ms delay. RESET goes to low-impedance state when OUT is pulled below 95% (i.e., over load condition) of its regulated voltage.

For the TPS772xx, the power good terminal (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator. An internal comparator in the TPS772xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT falls below 82% of its regulated voltage, PG goes to a low-impedance state. PG goes to a high-impedance state when OUT is above 82% of its regulated voltage.

Key Features

Qualified for Automotive Applications
Open Drain Power-On Reset With 220-ms Delay (TPS771xx)
Open Drain Power-Good (PG) Status Output (TPS772xx)
150-mA Low-Dropout Voltage Regulator
Available in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
Dropout Voltage Typically 115 mV at 150 mA (TPS77133, TPS77233)
Ultralow 92-μA Quiescent Current (Typ)
8-Pin MSOP (DGK) Package
Low Noise (55 μV_rms) Without External Filter (Bypass) Capacitor (TPS77118, TPS77218)
2% Tolerance Over Specified Conditions for Fixed-Output Versions
Fast Transient Response
Thermal Shutdown Protection

NOTE 1: Contact Texas Instruments for details. Q100 qualification data available on request.

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear	Mfr	Texas Instruments
Series	Automotive, AEC-Q100	Package	Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status	Active	Output Configuration	Positive
Output Type	Adjustable	Number of Regulators	1
Voltage - Input (Max)	10V	Voltage - Output (Min/Fixed)	1.5V
Voltage - Output (Max)	5.5V	Voltage Dropout (Max)	-
Current - Output	150mA	Current - Quiescent (Iq)	125 µA
PSRR	60dB (1kHz)	Control Features	Enable, Reset
Protection Features	Over Current, Over Temperature, Reverse Polarity	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP

Shipping

Shipping Method

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Delivery Time

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Guarantees

Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

ESD
Tape and Reel
Cut Tape
Tube or Tray

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Buying Guide

What is the lifespan of TPS77101QDGKRQ1?
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