Gate Driver with VReg and Charge Pump Regulator

IXYS

Copyright © IXYS CORPORATION 2005

1

4/29/05

IXI858 / IXI859

Features:

• Logic Level Gate Drive Compatible

• 60mA Source / 120mA Sink Minimum

Gate Drive

• 5.0V or 3.3V Voltage Regulator

• Charge Pump Regulator Stabilizes V

CC

Power Supply at 13V

• UVLO Protection

Applications:

• µController based off-line applications

• Power Supply and Power Management

• Lighting Control

General Description

The IXI858 and IXI859 combine a power MOSFET

driver, linear voltage regulator, and charge pump

regulator for power supply generation in a single

SOIC-8 package. The IXI858 features a 5.0V linear

voltage regulator, and the IXI859 a 3.3V linear

voltage regulator. These three power functions

combined on the IXI858/859 target micro-controller

based off-line applications.

The IXI858 and IXI859 are designed to operate over

a temperature range of -25°C to +125°C, and are

available in an 8 lead SOIC package.

ORDERING INFORMATION

Part No.

Description

Pack Quantity

IXI858S1

100 (Tube)

IXI858S1T/R

5.0V Version

2500 (Tape & Reel)

IXI859S1

100 (Tube)

IXI859S1T/R

3.3V Version

2500 (Tape & Reel)

Functional Block Diagram

SOIC-8 Lead Configuration

+

-

5

6

7

8

1

2

4

VCC

VOUT

IN

GATE

GND

VSUP

VCAP

75k

13V

Vclamp

ChrgPReg

Vreg

UVLO

8 - Lead SOIC

1

2

3

4

8

7

6

5

N/C

VOUT

VCAP

VCC

IN

GATE

GND

VSUP