TL2575HV-33IKTTR Texas Instruments Integrated Circuit (Other) In Stock
The TL2575HV-33IKTTR is a 3.3 V fixed-output step-down switching regulator with a 60 V input rating and 1 A output current. It operates at 52 kHz with voltage-mode control, requiring minimal external components. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- TL2575HV-33IKTTR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8900(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V output with ±4% accuracy over line, load, and temperature
- Wide 4.75 V to 60 V input voltage range handles high-voltage industrial rails
- Integrated 1 A switch at 52 kHz switching frequency reduces external BOM
Applications
The TL2575HV-33IKTTR is ideal for industrial power supplies operating from 24 V or 48 V bus rails where a regulated 3.3 V output is needed for microcontrollers and logic. It suits telecommunications equipment and automotive accessories requiring robust step-down regulation from elevated supply voltages. The device also fits battery-powered instruments where high input voltage capability and low quiescent current are priorities.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Input Voltage-Max | 60V |
| Input Voltage-Min | 4.75V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 3.3V |
| Output Voltage-Min | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 245 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 58kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL2575HV-33IKTTR:
Switching Regulator, Voltage-mode, 1A, 58kHz Switching Freq-Max, BIPolar, PSSO5
Frequently Asked Questions
What is the maximum input voltage the TL2575HV-33IKTTR can handle?
The TL2575HV-33IKTTR supports an input voltage range of 4.75 V to 60 V, making it suitable for 12 V, 24 V, and 48 V industrial supply rails while delivering a regulated 3.3 V output at up to 1 A.
How does the 52 kHz switching frequency affect inductor selection for TL2575HV-33IKTTR designs?
At 52 kHz, the TL2575HV-33IKTTR typically requires an inductor in the 100 µH to 680 µH range, balancing core losses and ripple current. Lower frequency means a larger inductor compared to 300 kHz–1 MHz controllers, but reduces switching losses and EMI filtering requirements.
Is TL2575HV-33IKTTR a suitable replacement for LM2575HV-3.3 in existing board designs?
The TL2575HV-33IKTTR is functionally equivalent to the LM2575HV-3.3 with the same 3.3 V fixed output, 1 A current limit, and 60 V input rating. Both use a 5-pin package and identical external components, so the TL2575HV-33IKTTR is a drop-in alternative without layout changes.
What output capacitor value is recommended for stable 3.3 V regulation with TL2575HV-33IKTTR?
Texas Instruments recommends an output capacitor of 220 µF to 1000 µF with an ESR below 0.5 Ω for the TL2575HV-33IKTTR. This ensures stability within the control loop and limits output voltage ripple to under 50 mV under typical 1 A load conditions.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $3.5084 | $87.71 |
| 100+ | $3.1802 | $318.02 |
| 102+ | $2.9500 | $300.90 |
| 500+ | $2.1200 | $1060.00 |
| 1000+ | $2.0100 | $2010.00 |
| 10000+ | $1.8900 | $18900.00 |
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