LM3570SD Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
Texas Instruments LM3570SD is a low-noise white LED driver system for display backlighting, driving up to 2 strings of LEDs with integrated boost converter, operating from 2.7 V to 5.5 V input, in a compact LLP-14 package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 15
- Lifecycle
- OBSOLETE
- Datasheet
- LM3570SD Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3570SD?
- Dual-string white LED driver with integrated boost converter for LCD backlight control
- Input voltage range of 2.7 V to 5.5 V covering standard Li-Ion and regulated supplies
- Low-noise architecture minimizes EMI for sensitive display and portable applications
- Compact LLP-14 (14-pin no-lead) package enabling minimal PCB footprint
What is LM3570SD used for?
The LM3570SD is designed for LCD backlight driver circuits in mobile phones, portable media players, and handheld consumer electronics requiring bright, uniform LED illumination. Its integrated boost topology and dual-channel capability make it well-suited for tablet displays and compact industrial HMIs. The device efficiently drives white LEDs from a low-voltage battery supply with minimal external components.
What are the specifications of LM3570SD?
| YTEOL | 0 |
| Interface IC Type | LED DISPLAY DRIVER |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM3570SD datasheet?
LM3570SD Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3570SD?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LM3570SD support for LED driving?
The LM3570SD operates from an input voltage range of 2.7 V to 5.5 V, making it compatible with single-cell Li-Ion batteries and standard 3.3 V or 5 V regulated rails. This broad range ensures reliable LED backlight operation across varying battery states in portable devices.
How many LED strings can the LM3570SD drive simultaneously?
The LM3570SD can drive up to 2 independent white LED strings, supporting balanced current control across both channels. Each string can carry tens of milliamps of LED current, suitable for LCD backlight applications in smartphones and portable displays.
What package does the LM3570SD use and how does it benefit compact PCB layouts?
The LM3570SD is housed in a 14-pin LLP (no-lead leadless) package with an exposed pad for thermal dissipation, measuring approximately 3 mm x 3 mm. This small footprint minimizes board area, making it ideal for space-constrained portable consumer electronics designs.
What are the typical applications for the LM3570SD LED driver?
The LM3570SD is commonly used in LCD backlighting for mobile phones, digital cameras, portable gaming devices, and handheld instruments. Its integrated boost converter and 2-string architecture support efficient drive of 4 to 8 white LEDs per string at up to 20 mA per channel.
How does the LM3570SD minimize EMI in sensitive display systems?
The LM3570SD employs a fixed-frequency switching architecture operating at approximately 1 MHz, which confines switching noise to predictable harmonic frequencies. This low-noise design allows it to coexist with RF and audio circuits in smartphones without degrading signal quality.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit