FOD8333 Ver la hoja de datos (PDF) - ON Semiconductor

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FOD8333

Input LED Drive, 2.5 A Output Current, IGBT Drive Optocoupler with Desaturation Detection, Isolated Fault Sensing, Active Miller Clamp, and Automatic Fault Reset

ON Semiconductor 

Truth Table

LED

X

On

Off

On

UVLO (VDD – VE)

Active

Not Active

X

Not Active

DESAT Detected?

X

Yes

X

No

Note:

1. FAULT pin is connected to a pull-up resistor.

Pin Configuration

FAULT(1)

HIGH

LOW

HIGH

HIGH

GND 1

VCC 2

FAULT 3

GND 4

VLED1– 5

VLED1+ 6

VLED1+ 7

VLED1– 8

16 VE

15 VLED2+

14 DESAT

13 VDD

12 VSS

11 VO

10 VCLAMP

9 VSS

Figure 1. Pin Configuration

Pin Definitions

Pin #

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Name

GND

VCC

FAULT

GND

VLED1-

VLED1+

VLED1+

VLED1-

VSS

V CLAMP

VO

V SS

V DD

DESAT

V LED2+

VE

Description

Ground for Fault-Sense Optocoupler

Positive Supply Voltage (3 V to 15 V) for Fault Sense Optocoupler

Fault-Sense Output

Ground for Fault-Sense Optocoupler

LED1 Cathode

LED1 Anode

LED1 Anode

LED1 Cathode

Negative Output Supply Voltage

Clamp Supply Voltage

Gate-Drive Output Voltage

Negative Output Supply Voltage

Positive Output Supply Voltage

Desaturation Voltage Input

LED2 Anode (Do not connect. Leave floating.)

Output Supply Voltage/IGBT Emitter

©2014 Fairchild Semiconductor Corporation

FOD8333 Rev. 1.0.3

2

VO

LOW

LOW

LOW

HIGH

www.fairchildsemi.com

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