Microchip MIC2843AYMT-TR

Manufacturer No:

MIC2843AYMT-TR

Manufacturer:

Microchip

Package:

10-UFDFN Exposed Pad, 10-TMLF®

Description:

6 Channel Linear WLED Driver with Ultra-Fast PWM Control

Quantity:

Delivery:

Payment:

In Stock :Available

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MIC2843AYMT-TR information

Microchip MIC2843AYMT-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip MIC2843AYMT-TR.

Type
Parameter

Topology
Linear

+Vin min (V)
3

+Vin max (V)
5.5

Dimming
PWM

Package
UDFN

Product Type
Linear LED Drivers

# of White LEDs
6 @ 20mA

Operating Iq (µA)
1.4

Vfb (V)
0

ILED Matching
±1.5%

Oja (C/W)
90

Vdropout @ 20mA
40mV

Extra LDOs
0

Vdropout (mV)
0

IQ LDO
0

Download datasheets and manufacturer documentation for Microchip MIC2843AYMT-TR.

Data Sheets:

d24b7178e486dc9ca949334d88c9e055.pdf

The MIC2843A is a high efficiency linear White LED (WLED) driver designed to drive up to six WLEDs, greatly extending battery life for portable display backlighting keypad backlighting, and camera flash in mobile devices. The MIC2843A provides the highest possible efficiency as this architecture has no switching losses present in traditional charge pumps or inductive boost circuits. The MIC2843A provides six linear drivers which maintain constant current for up to six WLEDs. It features a typical dropout of 40mV at 20mA. This allows the WLEDs to be driven directly from the battery eliminating switching noise/losses present with the use of boost circuitry.

The MIC2843A features Dynamic Average Matching™ (DAM™) which is specifically designed to provide optimum matching across all WLEDs. The six channels are matched better than ±1.5% typical, ensuring uniform display illumination under all conditions. The brightness is controlled through an Ultra Fast PWM™ interface operating down to less than 1% duty cycle.

The MIC2843A operates over a junction temperature range of -40°C to +125°C.

High efficiency (no voltage boost losses)
Dynamic Average Matching™ (DAM™)
Ultra Fast PWM™ control (200Hz to 500kHz)
Input voltage range: 3.0V to 5.5V
Dropout of 40mV at 20mA
Matching better than ±1.5% (typical)
Current accuracy better than ±1.5% (typical)
Maintains proper regulation regardless of how many channels are utilized

User Guide

PURCHASE

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IMPORTANT NOTICE

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SHIPPING METHOD

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DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.