LM2833ZSDIn StockTexas Instruments
LM2833ZSD is a current-mode PWM step-down DC-DC switching regulator from Texas Instruments, supporting 3V–5.5V input and adjustable output from 0.6V to 4.5V, ideal for compact power supply designs.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 10
- Lifecycle
- OBSOLETE
- Datasheet
- LM2833ZSD Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for fast transient response and improved stability
- Wide input voltage range: 3V to 5.5V, suitable for battery-powered and USB applications
- Adjustable output voltage from 0.6V to 4.5V via external resistor network
- Available in compact 10-pin SOIC package for space-constrained designs
- High switching frequency enables use of small external inductors and capacitors
Applications
The LM2833ZSD is widely used in portable electronics and battery-powered devices requiring efficient step-down voltage conversion. It suits applications such as USB-powered gadgets, handheld instruments, and embedded systems where tight output regulation from a 3V–5.5V rail is essential. Its adjustable output and current-mode control make it a versatile choice for point-of-load regulation in consumer and industrial designs.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 4.5V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 4.4A |
| Output Voltage-Max | 4.5V |
| Output Voltage-Min | 0.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 3.75kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
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 LM2833ZSD?
The LM2833ZSD accepts an input voltage range of 3V to 5.5V, with a nominal operating voltage of 5V. This makes it well-suited for single-cell Li-ion, USB 5V, and regulated 3.3V supply rails in portable and embedded applications.
What output voltages can the LM2833ZSD regulate to?
The LM2833ZSD can regulate the output voltage adjustably from 0.6V to 4.5V using an external resistor divider connected to the feedback pin. This flexibility supports a wide range of downstream loads including microcontrollers, FPGAs, and analog circuits.
What control method does the LM2833ZSD use?
The LM2833ZSD uses current-mode pulse width modulation (PWM) control. This technique improves load transient response, simplifies loop compensation, and provides inherent cycle-by-cycle current limiting, enhancing both performance and reliability.
What package does the LM2833ZSD come in?
The LM2833ZSD is available in a 10-pin small-outline integrated circuit (SOIC) package, designated S-PDSO-N10. This compact surface-mount package is suitable for designs with limited PCB space while maintaining good thermal performance.
What are typical applications for the LM2833ZSD?
Typical applications include portable consumer electronics, USB-powered devices, handheld test equipment, embedded system power rails, and industrial point-of-load converters. Its adjustable output and wide input range make it versatile for any design needing an efficient 5V step-down solution.
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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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