Micrel

MIC4834

October 2008

2

M9999-100908-A

Ordering Information

Part Number

Package

Operating Junction Temp Range

Lead Finish

MIC4834YML

10 pin (3mm x 3mm) MLF

®

-40ºC to +125ºC

Pb-free / RoHS-Compliant

MIC4834YMM

10-Pin MSOP

-40ºC to +125ºC

Pb-free / RoHS-Compliant

Pin Configuration

10-Pin MLF

10-Pin MSOP – Top View

Pin Description

Pin Number

Pin Name

Pin Function

1

ENA

EL Panel A Enable Pin: Logic high enables ELA and logic low disables ELA output.

2

VDD

DC Input Supply Voltage: 2.3V to 5.8V

3

RSW

RSW pin: Sets internal boost converter switch frequency by connecting an external

4

ENB

EL Panel B enable pin: Logic high enables ELB and logic low disables ELB output.

5

GND

Ground.

6

SW

Switch Node: Drain of internal high-voltage power MOSFET for boost circuit.

7

CS

Regulated Boost Output: Connect to the output capacitor of the boost regulator and

to the cathode of the diode.

8

COM

EL output: Common EL output terminal to both ELA and ELB. Connect one end of

each EL panel to this pin.

9

ELB

EL Panel B output: Connect the other end of the EL panel B to this pin.

10

ELA

EL Panel A output: Connect the other end of the EL panel A to this pin.

EPad

HS Pad

Heat Sink Pad. Connect to ground externally. MLF® package only.