Micrel, Inc.

MIC4604

June 25, 2013

2

Revision 1.0

Ordering Information

Part Number

Part Marking

Input

Junction Temperature Range

Package

MIC4604YMT

463

TTL

–40° to +125°C

10-Pin 2.5mm × 2.5mm TDFN

MIC4604YM

MIC4604 YM

TTL

–40° to +125°C

8-Pin SOIC

Pin Configurations

MIC4604YMT

10-Pin 2.5mm x2.5mm TDFN (MT)

(Top View)

MIC4604YM

8-Pin SOIC (M)

(Top View)

Pin Description

Pin Number

Pin

Name

Pin Function

TDFN

SOIC

1

1

VDD

Input supply for gate drivers. Decouple this pin to VSS with a >2.2µF capacitor. Anode

connection to internal bootstrap diode.

2, 10

NC

No Connect

3

2

HB

High-side bootstrap supply. External bootstrap capacitor is required. Connect bootstrap

capacitor across this pin and HS. Cathode connection to internal bootstrap diode.

4

3

HO

High-side drive output. Connect to gate of the external high-side power MOSFET.

5

4

HS

High-side drive reference connection. Connect to source of the external high-side power

MOSFET. Connect this pin to the bootstrap capacitor.

6

5

HI

High-side drive input.

7

6

LI

Low-side drive input.

8

7

VSS

Driver reference supply input. Connected to power ground of external circuitry and to source

of low-side power MOSFET.

9

8

LO

Low-side drive output. Connect to gate of the external low-side power MOSFET.

EP

EPAD

Exposed pad. Connect to VSS.