L99LDLH32TR The STMicroelectronics L99LDLH32TR is a 32-channel linear LED driver with PWM dimming capabilities. It operates from a 5.5V supply and provides 24mA current per channel.
Mfr Part #:

L99LDLH32TR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L99LDLH32TR is a 32-channel linear LED driver with PWM dimming capabilities. It operates from a 5.5V supply and provides 24mA current per channel.
Total Stock: 5,000 pcs
$ Price Range: $0.17

L99LDLH32TR Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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5,000 pcs
5000 pcs On Request 1 On Request On Request On Request On Request On Request

L99LDLH32TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Current
Dimming
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
SVHC Present
Supplier Device Package
Topology
Type
Voltage
Voltage Supply

L99LDLH32TR Description

Short technical summary and product information.

The STMicroelectronics L99LDLH32TR is a 32-channel LED driver designed for automotive and lighting applications. This linear driver utilizes PWM dimming for precise control of LED intensity.

 

Key electrical specifications include an operating voltage range starting at 5.5V and a current output of 24mA per channel. The device features a constant current topology and does not have internal switches, requiring external components for power stages.

 

Operating within a wide temperature range of -40°C to 150°C (TJ), the L99LDLH32TR is suitable for demanding environments. It is packaged in a 48-VFQFPN (7x7mm) with a surface mount type, designed for efficient heat dissipation and reliable soldering.

 

Compliance includes RoHS3, REACH unaffected, and MSL 1. The part is intended for applications in automotive lighting systems and general industrial LED lighting where robust control is necessary.

L99LDLH32TR Quick Information

Product Type: LED Driver
Canonical Name: L99LDLH32TR LED Driver
Subcategory: Power Management

L99LDLH32TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L99LDLH32TR Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

L99LDLH32TR Features

  • 32 channels for LED control.
  • Linear LED driver type.
  • PWM dimming support.
  • Operates at 5.5V supply.
  • Surface mount package.

L99LDLH32TR Applications

  • Automotive interior lighting systems.
  • Display backlighting with multiple LEDs.
  • Industrial signage and indicator panels.
  • General purpose multi-channel LED control.

L99LDLH32TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage for the L99LDLH32TR?

The minimum supply voltage is 5.5V.

What is the package type of the L99LDLH32TR?

It is available in a 48-TFQFN Exposed Pad package with a supplier device package of 48-VFQFPN (7x7).

What is the operating temperature range?

The operating junction temperature range is -40°C to 150°C.

How many outputs does the L99LDLH32TR have?

It has 32 outputs.

What is the output current per channel?

The nominal output current is 24 mA.

Does the driver support dimming?

Yes, it supports PWM dimming.

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