LTC3453EUF#PBF

$5.93

Description：IC LED DRIVER RGLTR 125MA 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:dc6cc5b0c405 Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

LTC3453EUF#PBF is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRIVER RGLTR 125MA 16QFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LTC3453EUF#PBF

Description：IC LED DRIVER RGLTR 125MA 16QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Type：DC DC Regulator
Topology：Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：4
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：4.5V
Current - Output / Channel：125mA
Frequency：1MHz
Dimming：-
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-WQFN Exposed Pad
Supplier Device Package：16-QFN (4x4)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LTC3453EUF#PBF

LTC3453EUF#PBF

LED Driver IC Overview

The LTC3453EUF#PBF is a synchronous buck-boost DC/DC converter optimized for driving up to four white LEDs from a single Li-Ion battery. It features a wide input voltage range of 2.7V to 5.5V and delivers a combined LED current of up to 500mA across four segments. The device operates at a fixed 1MHz switching frequency with a typical supply current of 1000uA. It provides precise LED output current matching of 2% typical and includes internal soft-start, open/shorted LED protection, and a 16-pin QFN EP package.

LED Driver IC Feature Summary

Synchronous buck-boost topology optimized for multi-segment LED driving
Internal soft-start and comprehensive LED fault protection mechanisms
High precision LED current matching for uniform brightness

LED Driver IC Applications

Mobile phone camera flash systems
Portable device backlighting
Single-cell battery powered LED arrays

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm exact packaging and temperature grade specifications. Ensure the procurement channel sources genuine components directly from authorized distributors or the manufacturer to guarantee part authenticity and compliance with RoHS standards. Cross-reference the 16-pin QFN EP package dimensions with the latest datasheet before integration.

LED Driver IC Selection Notes

Select this component when designing circuits requiring high-efficiency LED drive from a single lithium-ion cell with variable voltage levels. The buck-boost architecture ensures stable LED current regardless of battery state-of-charge. Consider the 1MHz frequency for inductor size trade-offs and verify that the 1000uA supply current meets strict standby power requirements for portable applications.

LED Driver IC Part Context

This part belongs to the LTC3453 family of LED drivers from Analog Devices. It is specifically engineered for portable electronics where space and efficiency are critical. The device integrates power switches and control logic into a compact surface-mount package, simplifying the design of complex lighting systems compared to discrete solutions.