LM3533TMX-40A/NOPB

$0.76

Description：IC LED DRV RGLTR PWM 20DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:f6207a02a9d9 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LM3533TMX-40A/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRV RGLTR PWM 20DSBGA. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LM3533TMX-40A/NOPB

Description：IC LED DRV RGLTR PWM 20DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Step-Up (Boost), Switched Capacitor (Charge Pump)
Internal Switch(s)：Yes
Number of Outputs：7
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：40V
Current - Output / Channel：30mA
Frequency：500kHz, 1MHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-WFBGA, DSBGA
Supplier Device Package：20-DSBGA
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LM3533TMX-40A/NOPB

LM3533TMX-40A/NOPB

LED Driver IC Overview

The LM3533TMX-40A/NOPB is a high-efficiency white LED driver IC from Texas Instruments, designed for smartphone backlighting applications. It integrates seven independent current-regulated outputs capable of driving up to 30mA per channel. The device operates on a supply voltage range of 2.7V to 5.5V and features an internal boost converter with switch-capacitor topology. It supports PWM dimming at frequencies of 500kHz and 1MHz. The component is housed in a 20-DSBGA package and functions as a DC-DC regulator suitable for portable electronic devices requiring compact power solutions.

LED Driver IC Feature Summary

Integrates seven independent regulated outputs for multi-zone LED control
Combines boost and switch-capacitor topologies for flexible input voltage handling
Supports precise PWM dimming for display brightness adjustment
Includes internal switching elements to minimize external component count

LED Driver IC Applications

Smartphone handset backlighting
Portable electronic device illumination
Multi-zone LED display drivers

LED Driver IC Procurement Notes

Verify the specific suffix '40A' against the manufacturer's latest datasheet to confirm the exact electrical characteristics and pinout configuration, as variations within the LM3533 family may exist. Ensure the 20-DSBGA package footprint matches the PCB design requirements. Cross-reference the RoHS compliance status and moisture sensitivity level with current environmental regulations before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple independently controlled LED channels within a limited board area. The integrated boost and charge pump capabilities allow operation from single-cell lithium-ion batteries. Consider the thermal performance of the DSBGA package and the maximum output current limits relative to the target LED forward voltage requirements during the schematic design phase.

LED Driver IC Part Context

This part belongs to the LM3533 series of lighting power solutions developed by Texas Instruments. The series is engineered specifically for mobile phone applications, offering a complete power management solution for LED backlights. The NOPB suffix indicates lead-free packaging compliant with international environmental standards, distinguishing it from older non-compliant variants.