TL496CDR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TL496CDR is a voltage-mode pulse-frequency modulation step-up switching regulator with fixed 9 V output, 1.1 V to 20 V input range, and up to 1.2 A output current, packaged in an 8-pin SOIC for compact boost converter designs. Available worldwide.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL496CDR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL496CDR?
- Fixed 9 V output voltage removes need for external feedback resistors, simplifying BOM and reducing design time
- Ultra-wide 1.1 V to 20 V input range enables operation from single-cell batteries up to automotive 12 V rails
- Pulse frequency modulation control improves light-load efficiency compared to fixed-frequency PWM controllers
- Up to 1.2 A output current supports LCD bias supplies, piezoelectric drivers, and small motor drives
- 8-pin SOIC package simplifies drop-in replacement on standard boost regulator footprints
What is TL496CDR used for?
The TL496CDR is optimized for battery-powered equipment requiring a stable 9 V bias rail stepped up from low-voltage cells, such as portable test instruments, handheld medical devices, and remote industrial sensors. Its pulse-frequency modulation scheme maintains high efficiency at light loads common in battery-backed standby circuits, extending operating time between charges. The simple fixed-output topology and SOIC-8 packaging make it well-suited for legacy system repairs and cost-sensitive consumer electronics designs.
What are the specifications of TL496CDR?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE FREQUENCY MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 1.1V |
| JESD-30 Code | R-PDSO-G8 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Output Voltage-Nom | 9V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.4mA |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 40kHz |
| Temperature Grade | COMMERCIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TL496CDR datasheet?
TL496CDR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL496CDR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low can the input voltage be for TL496CDR to still produce a regulated 9 V output?
The TL496CDR operates with input voltages as low as 1.1 V, which corresponds to a deeply discharged single lithium cell or two series AAA alkaline batteries near end-of-life. This allows the device to continue supplying a regulated 9 V output even as the source battery discharges below 1.5 V, maximizing usable battery capacity in portable instruments.
What control method does TL496CDR use and how does pulse frequency modulation improve battery-powered system efficiency?
The TL496CDR uses pulse frequency modulation (PFM) voltage-mode control. Unlike fixed-frequency PWM, PFM reduces switching frequency at light loads, cutting gate drive and core switching losses proportionally. In a 9 V LCD bias supply drawing 10 mA in standby, PFM can improve efficiency by 10% to 20% compared to fixed-frequency alternatives, directly extending battery runtime in portable devices.
What is the maximum output current TL496CDR can supply, and what types of loads does this cover?
The TL496CDR delivers up to 1.2 A of output current at 9 V, totaling approximately 10.8 W of output power. This is sufficient to drive LCD segment displays, bias operational amplifier circuits requiring a ±9 V split rail from the boosted output, or supply power to small piezoelectric transducers and low-power solenoid drivers in industrial field instruments.
In which scenarios would TL496CDR be a simpler choice than an adjustable boost controller for a 9 V rail?
When the target output is always 9 V and BOM simplicity matters, the TL496CDR eliminates the two external resistors needed by adjustable controllers for output voltage setting. This reduces the risk of resistor tolerance errors causing out-of-regulation voltages, makes layout simpler with fewer sensitive feedback nodes, and lowers total component cost by 2 to 3 parts in high-volume production runs.
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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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