TPS7A1901DRBR Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
TPS7A1901DRBR is a 40V, 450mA adjustable low-dropout (LDO) voltage regulator with ultra-low quiescent current and power good output. Features 0.24V typical dropout and 4–40V input range. From $0.87, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- TPS7A1901DRBR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8679(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40V high input voltage range supports wide power supply applications
- 450mA output current with only 0.24V typical dropout voltage
- Ultra-low quiescent current minimizes power consumption in standby
- Adjustable output voltage for flexible system design
- Integrated Power Good output for system sequencing and monitoring
- WSON-8 small outline no-lead package for compact PCB designs
Applications
The TPS7A1901DRBR is ideal for industrial power supplies, automotive electronics, and battery-powered devices requiring efficient voltage regulation from high-input sources. Its wide 4–40V input range and ultra-low quiescent current make it well-suited for always-on systems, IoT sensors, and portable instruments. The integrated Power Good signal simplifies system startup sequencing in multi-rail designs.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2016-10-02 |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.45V |
| Dropout Voltage1-Nom | 0.24V |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4V |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Line Regulation-Max (%/V) | 0.016 |
| Load Regulation-Max(%) | 0.6% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.45A |
| Output Voltage1-Max | 18V |
| Output Voltage1-Min | 1.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the TPS7A1901DRBR?
The TPS7A1901DRBR supports an input voltage range of 4V to 40V, making it suitable for industrial, automotive, and high-voltage power supply applications where wide input variation is common.
What is the dropout voltage of the TPS7A1901DRBR?
The TPS7A1901DRBR has a typical dropout voltage of 0.24V and a maximum of 0.45V at full 450mA load current, ensuring efficient low-loss regulation even when input and output voltages are close.
Is the TPS7A1901DRBR output voltage adjustable?
Yes, the TPS7A1901DRBR features an adjustable output voltage, allowing designers to set the desired output using external resistors. This flexibility makes it adaptable to a wide range of power supply designs.
What does the Power Good feature do on the TPS7A1901DRBR?
The Power Good output on the TPS7A1901DRBR is an open-drain signal that indicates when the output voltage has reached its regulation target. It is commonly used for system sequencing, microcontroller reset control, and multi-rail power management.
What package does the TPS7A1901DRBR come in?
The TPS7A1901DRBR is available in an 8-pin WSON (Small Outline No-Lead) package, which offers a compact footprint ideal for space-constrained PCB designs in portable and industrial applications.
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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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