LT1521IS8-5#PBFAlternatives & Equivalent Parts
About LT1521IS8-5#PBF
LT1521IS8-5#PBF is a Integrated Circuit component manufactured by Linear Technology. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LT1521IS8-5#PBFSource | AT32UC3B1256-AUT | DAC8820ICDB | MCR100JZHJ000 | VNHD7012AYTR |
|---|---|---|---|---|---|
| Manufacturer | Linear Technology | Microchip | Texas Instruments | ROHM Semiconductor | STMicroelectronics |
| Package Type | Small Outline Packages | Quad Flat Packages | Small Outline Packages | Resistor Chip | Small Outline Packages |
| Pin Count | 8 | 48 | 28 | 2 | 37 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C | — |
| Price | $3.8400 | $6.9000 | $13.4400 | $0.0056 | $2.1182 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | No | Yes | Yes | Yes | — |
| Manufacturer Package Code | 05-08-1610 (S8) | TQFP-48 | — | — | — |
| YTEOL | 9 | 14 | 15 | 0 | 8.4 |
| Adjustability | FIXED | — | — | — | — |
| Dropout Voltage1-Max | 0.75 V | — | — | — | — |
| Dropout Voltage1-Nom | 0.5 V | — | — | — | — |
| Input Voltage Absolute-Max | 20 V | — | — | — | — |
| Input Voltage-Max | 20 V | — | — | — | — |
| Input Voltage-Min | 5.5 V | — | — | — | — |
| JESD-30 Code | R-PDSO-G8 | S-PQFP-G48 | R-PDSO-G28 | — | R-PDSO-G36 |
| JESD-609 Code | e3 | e3 | e4 | e3 | e3 |
| Line Regulation-Max | 0.02% | — | — | — | — |
| Load Regulation-Max | 0.075% | — | — | — | — |
| Number of Functions | 1 | — | 1 | — | 1 |
| Number of Outputs | 1 | — | — | — | — |
| Operating Temperature TJ-Max | 125 °C | — | — | — | — |
| Operating Temperature TJ-Min | -40 °C | — | — | — | — |
| Output Current1-Max | 0.3 A | — | — | — | — |
| Output Voltage1-Max | 5.15 V | — | — | — | — |
| Output Voltage1-Min | 4.85 V | — | — | — | — |
| Output Voltage1-Nom | 5 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | TQFP48,.35SQ | SSOP28,.3 | — | SSOP36,.4,20 |
| Package Shape | RECTANGULAR | SQUARE | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | FLATPACK, THIN PROFILE, FINE PITCH | SMALL OUTLINE, SHRINK PITCH | SMT | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | — |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | CMOS | — | METAL GLAZE/THICK FILM | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 1.27 mm | 0.5 mm | 0.65 mm | — | 0.5 mm |
| Terminal Position | DUAL | QUAD | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | — | — |
| Voltage Tolerance-Max | 3% | — | — | — | — |
| Factory Lead Time | — | 15 Weeks | — | — | 26 Weeks |
| Has ADC | — | YES | — | — | — |
| Additional Feature | — | ALSO REQUIRES 3.3 V I/O SUPPLY | — | RATED CURRENT: 4A | — |
| Bit Size | — | 32 | — | — | — |
| Boundary Scan | — | NO | — | — | — |
| CPU Family | — | AVR RISC | — | — | — |
| Clock Frequency-Max | — | 50 MHz | — | — | — |
| DAC Channels | — | NO | — | — | — |
| DMA Channels | — | YES | — | — | — |
| Format | — | FLOATING-POINT | — | — | — |
| Integrated Cache | — | YES | — | — | — |
| Low Power Mode | — | YES | — | — | — |
| Number of DMA Channels | — | 7 | — | — | — |
| Number of External Interrupts | — | 6 | — | — | — |
| Number of I/O Lines | — | 28 | — | — | — |
| Number of Serial I/Os | — | 28 | — | — | — |
| Number of Timers | — | 3 | — | — | — |
| On Chip Program ROM Width | — | 8 | — | — | — |
| PWM Channels | — | YES | — | — | — |
| RAM (bytes) | — | 32768 | — | — | — |
| ROM (words) | — | 262144 | — | — | — |
| ROM Programmability | — | FLASH | — | — | — |
| Speed | — | 60 MHz | — | — | — |
| Supply Voltage-Max | — | 1.95 V | — | — | — |
| Supply Voltage-Min | — | 1.8 V | — | — | — |
| Supply Voltage-Nom | — | 1.8 V | 5 V | — | — |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | — | — |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER, RISC | — | — | — |
| ## AT32UC3B1256-AUT Alternates Showing results | — | Image | — | — | — |
| Converter Type | — | — | D/A CONVERTER | — | — |
| Input Bit Code | — | — | BINARY | — | — |
| Input Format | — | — | PARALLEL, WORD | — | — |
| Linearity Error-Max (EL) | — | — | 0.0015% | — | — |
| Number of Bits | — | — | 16 | — | — |
| Sample Rate | — | — | 2 MHz | — | — |
| Settling Time-Max | — | — | 0.5 µs | — | — |
| Settling Time-Nom (tstl) | — | — | 0.5 µs | — | — |
| Supply Current-Max | — | — | 0.005 mA | — | — |
| ## DAC8820ICDB Alternates Showing results | — | — | Image | — | — |
| Reach Compliance Code | — | — | — | Compliant | — |
| Construction | — | — | — | Rectangular | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — |
| Package Height | — | — | — | 0.55 mm | — |
| Package Length | — | — | — | 6.3 mm | — |
| Package Width | — | — | — | 3.2 mm | — |
| Packing Method | — | — | — | TR, EMBOSSED, 7 INCH | — |
| Rated Power Dissipation (P) | — | — | — | 1 W | — |
| Rated Temperature | — | — | — | 70 °C | — |
| Resistor Type | — | — | — | JUMPER | — |
| Size Code | — | — | — | 2512 | — |
| Terminal Shape | — | — | — | WRAPAROUND | — |
| Date Of Intro | — | — | — | — | 2018-10-29 |
| Analog IC - Other Type | — | — | — | — | HALF BRIDGE BRUSH DC MOTOR CONTROLLER |
| Output Current-Max | — | — | — | — | 38 A |
| Screening Level | — | — | — | — | AEC-Q100 |
| Supply Current-Max (Isup) | — | — | — | — | 18 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | 28 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | 4 V |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 7 V |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LT1521IS8-5#PBF — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LT1521IS8-5#PBF is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LT1521IS8-5#PBF replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LT1521IS8-5#PBF?
Known equivalents for LT1521IS8-5#PBF include AT32UC3B1256-AUT, DAC8820ICDB, MCR100JZHJ000. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LT1521IS8-5#PBF?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LT1521IS8-5#PBF alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.