PATL432LIBQDBZR Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The PATL432LIBQDBZR is a high-bandwidth, low-quiescent-current programmable precision shunt voltage regulator from Texas Instruments, designed for adjustable voltage reference and feedback regulation applications. Housed in a 3-pin SOT-23 package, it offers wide cathode voltage adjustment from 1.24V to 36V with fast response and high bandwidth for switching power supply feedback networks. Suitable for isolated flyback, LED driver, and precision reference circuits.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- PATL432LIBQDBZR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Programmable shunt regulator with adjustable output from 1.24V to 36V via resistor divider
- High bandwidth for stable operation in fast switching power supply feedback loops
- Ultra-low IKA reference current minimizes power loss in light-load applications
- 3-pin SOT-23 package enabling extremely compact PCB footprint for space-constrained designs
- Wide cathode voltage range suitable for automotive, industrial, and consumer power supplies
- Precision internal voltage reference for accurate regulation without external trimming
Applications
The PATL432LIBQDBZR is commonly used as a feedback voltage reference in isolated flyback converters, LED constant-current drivers, and low-power switching power supplies requiring tight output regulation. It is also applied in precision shunt regulator circuits for battery charging systems, voltage monitoring, and adjustable reference voltage generation in industrial and consumer electronics.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PATL432LIBQDBZR:
Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO3
Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO3
Frequently Asked Questions
What is the adjustable voltage range of the PATL432LIBQDBZR?
The PATL432LIBQDBZR supports an adjustable cathode voltage range from approximately 1.24V up to 36V, set by an external resistor divider connected to the reference (REF) pin. This wide adjustment range makes it versatile for diverse power supply feedback and precision reference applications.
What makes the PATL432LIBQDBZR suitable for switching power supply applications?
The PATL432LIBQDBZR offers high bandwidth and fast transient response, which are critical characteristics for stable feedback control in switching power supplies. Its low IKA reference current also reduces power dissipation in optocoupler-based isolated feedback networks, improving overall power supply efficiency.
What package does the PATL432LIBQDBZR use?
The PATL432LIBQDBZR is housed in a 3-pin SOT-23 package, one of the smallest surface-mount packages available. The DBZR suffix typically indicates tape and reel packaging in a small body SOT-23. This compact package minimizes board area consumption in space-constrained power supply designs.
What are common applications for the PATL432LIBQDBZR?
Common applications include isolated flyback converter feedback networks, LED driver constant-voltage references, adjustable shunt regulator circuits in point-of-load power modules, and precision voltage reference generation in battery-powered systems and industrial instrumentation requiring accurate reference voltages.
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About Texas Instruments
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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