MIC2843 datasheet(2/15 Pages) MICREL

2 / 15 page

Micrel Inc.

MIC2843

November 2010

M9999-110810-B

Ordering Information

Part Number

Mark Code

(1)

Temperature Range

Package

(2)

MIC2843YMT

YS3

–40°C to +125°C

10-Pin 2mm x 2mm Thin MLF

Note:

Thin MLF

® ▲ = Pin 1 identifier.

Thin MLF

® is a GREEN RoHS-compliant package. Lead finish is NiPdAu. Mold compound is halogen free.

Pin Configuration

10-Pin 2mm x 2mm Thin MLF

® (MT)

(Top View)

Pin Description

Pin Number

Pin Name

Pin Function

VIN

Voltage Input. Connect at least 1µF ceramic capacitor between VIN and GND.

END

Enable LED drivers. This pin can be used as a PWM input for dimming of WLEDs. Do not leave

floating.

RSET

An internal 1.27V reference sets the nominal maximum WLED current. Example, apply a 20.5kΩ

resistor between RSET and GND to set LED current to 20mA at 100% duty cycle.

GND

Ground.

LED6 driver input. Connect LED anode to VIN and cathode to this pin.

LED5 driver input. Connect LED anode to VIN and cathode to this pin.

LED4 driver input. Connect LED anode to VIN and cathode to this pin.

LED3 driver input. Connect LED anode to VIN and cathode to this pin.

LED2 driver input. Connect LED anode to VIN and cathode to this pin.

LED1 driver input. Connect LED anode to VIN and cathode to this pin.

EPAD

HS PAD

Heat sink pad. Not internally connected. Connect to ground.

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