ALT80802KEJJTR

Allegro MicroSystems
250-ALT80802KEJJTR
ALT80802KEJJTR

Mfr.:

Description:
LED Lighting Driver ICs ASYNCHRONOUS BUCK OR BUCK-BOOST LED DRIVER

Datasheet:
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Learn more about Allegro MicroSystems ALT80802KEJJTR

Product Attribute Attribute Value Select Attribute
Allegro MicroSystems
Product Category: LED Lighting Driver ICs
RoHS:  
1 Output
Boost, Buck
2 A
DFN-10
50 V
3.8 V
360 kHz to 2.2 MHz
20 V
ALT80802
- 40 C
+ 125 C
Reel
Cut Tape
MouseReel
Brand: Allegro MicroSystems
Features: PWM Dimming
Input Voltage: 3.8 V to 50 V
Moisture Sensitive: Yes
Mounting Style: SMD/SMT
Number of Channels: 1 Channel
Product: LED Drivers
Product Type: LED Lighting Drivers
Factory Pack Quantity: 1500
Subcategory: Driver ICs
Supply Current - Max: 20 uA
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Attributes selected: 0

Datasheet

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Compliance Codes
CNHTS:
8542399000
CAHTS:
8542390000
USHTS:
8542390090
MXHTS:
8542399999
ECCN:
EAR99
Origin Classifications
Country of Origin:
Thailand
Assembly Country of Origin:
Not available
Country of Diffusion:
Not available
The country is subject to change at the time of shipment.

ALT80802 Adjustable Frequency Buck 2A LED Driver

Allegro MicroSystems ALT80802 Adjustable Frequency Buck 2A LED Driver is AEC-Q101 qualified and supports buck-boost or buck-mode operation. This high-frequency switching regulator provides constant output current to drive high-power LEDs and integrates a power MOSFET for step-down or inverting buck-boost conversion. The ALT80802 is constructed to aid EMC/EMI design with frequency dithering, soft freewheel diode turn-off, and well-controlled switch node slew rates. A programmable oscillator enables the ALT80802 to switch outside EMI-sensitive frequency bands, such as the AM band. This driver can achieve fast transient response with current-mode control and simple external compensation, and the control loop is designed for PWM dimming operation to achieve low dimming on-time and low turn-on overshoot. When in buck-boost operation, the ALT80802 reduces the current overshoot normally caused by the right half plane zero effect during a PWM dimming turn-off transient. Allegro MicroSystems ALT80802 Adjustable Frequency Buck 2A LED Driver offers a 3.8V to 50V input voltage range, making it suitable for a wide range of lighting applications, including those in an automotive input environment.

LED Drivers for Automotive Lighting

Allegro MicroSystems LED Drivers for Automotive Lighting offers a growing portfolio of LED drivers used for automotive lighting applications. The LED Drivers for Automotive Lighting utilize a unique process technology that provides flexibility and functionality in a small solution footprint. The highly integrated LED driver ICs with on-chip FETs and diverse control options cover many topologies, channel counts, output currents, and feature sets to help users optimize solutions.

Magnetic Speed Sensor ICs

Allegro MicroSystems Magnetic Speed Sensor ICs offer a comprehensive portfolio covering the full range of speed and speed with direction sensor ICs. These products include a two- and three-wire interface, a magnetic encoder (ring magnet) and gear tooth sensing, Hall and GMR technology, and ASIL-compliant options for transmission, wheel speed, engine, e-motors, and many more encoder and gear tooth sensing applications.

LED Drivers

Allegro MicroSystems LED Drivers provide high reliability and robustness in one of the largest selections of wide-input, Grade 0, LED Driver ICs. The devices feature multiple device topologies that cover a wide range of applications.

IS32LT3175N/P Single-Channel Linear LED Drivers

ISSI IS32LT3175N/P Single-Channel Linear LED Drivers come with fade in/out and PWM dimming. The regulators serve as a stand-alone LED driver-configurable from 20mA to 150mA with external resistors, no microcontroller is necessary. A logic level “courtesy light” signal from the PWM pin can be interfaced to precisely drive the LED channel. The IS32LT3175P obtains a positive polarity PWM signal. In addition, the IS32LT3175N obtains a negative polarity PWM signal. The regulator integrates a 63-step fade-in and fades out the algorithm (Gamma correction). This causes the output LED current to increasingly rise up to the full source value after the EN pin is pulsed.

In Stock: 1,314

Stock:
1,314
Can Dispatch Immediately
On Order:
18,000
Expected 05/11/2026
Factory Lead Time:
10
Weeks Estimated factory production time for quantities greater than shown.
Minimum: 1   Multiples: 1
Unit Price:
$-.--
Ext. Price:
$-.--
Est. Tariff:
Packaging:
Full Reel (Order in multiples of 1500)

Pricing (USD)

Qty. Unit Price
Ext. Price
Cut Tape / MouseReel™ †
$2.65 $2.65
$1.98 $19.80
$1.81 $45.25
$1.62 $162.00
$1.53 $382.50
$1.49 $745.00
$1.46 $1,460.00
Full Reel (Order in multiples of 1500)
$1.42 $2,130.00
$1.39 $4,170.00
† A MouseReel™ fee of $7.00 will be added and calculated in your basket. All MouseReel™ orders are non-cancellable and non-returnable. ↩

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