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Product Attributes

In the world of electronic components, the voltage regulator is one of the most widely used, but what does this IC do? It provides a circuit with a predictable and fixed output voltage at all times, regardless of the input voltage.

How a voltage regulator achieves this task is ultimately up to the designer. Some voltage can be controlled by a simpler Zener diode, while other applications require an advanced topology of linear or switching regulators. At the end of the day though, every voltage regulator has a primary and secondary goal:

Primary: To generate a steady output voltage of a circuit in response to variations in an input voltage conditions. You might have 9V in, but if you only want 5V out, then you’ll need to step it down (Buck) with a voltage regulator.

Secondary: Voltage regulators also work to shield and protect your electronic circuitry from any potential damage. The last thing you want is to fry your microcontroller because it couldn’t handle a spike in voltage.

When it comes to adding a voltage regulator to your circuit, you’ll typically work with one of two types – Linear Voltage Regulators or Switching Voltage Regulators. Let’s see how both of these works.

Features for the TPS7B69-Q1

• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:4 to 40-V Wide V_I Input Voltage
  • Device Temperature Grade 1: –40°C to 125°C
  • Ambient Operating Temperature Range
  • Device HBM ESD Classification Level 2
  • Device CDM ESD Classification Level C4B
• Range With up to 45-V Transient
• Maximum Output Current: 150 mA
• Low Quiescent Current (I_Q):450-mV Typical Low Dropout Voltage at 100 mA Load
  • 15 µA Typical at Light Loads
  • 25 µA Maximum Under Full Temperature
• Current
• Stable With Low ESR Ceramic Output Capacitor
• (2.2 to 100 µF)
• Fixed 2.5-V, 3.3-V, and 5-V Output Voltage Options
• Integrated Fault Protection:
  • Thermal Shutdown
  • Short-Circuit Protection
• Packages:
  • 4-Pin SOT-223 Package
  • 5-Pin SOT-23 Package

Description for the TPS7B69-Q1

The TPS7B69xx-Q1 device is a low-dropout linear regulator designed for up to 40-V V_I operations. With only 15-µA (typical) quiescent current at light load, the device is suitable for standby microcontrol-unit systems especially in automotive applications.

The devices feature an integrated short-circuit and overcurrent protection. The TPS7B69xx-Q1 device operates over a –40°C to 125°C temperature range. Because of these features, the TPS7B6925-Q1, TPS7B6933-Q1, and TPS7B6950-Q1 devices are well suited in power supplies for various automotive applications.