IR1150I データシートの表示（PDF） - International Rectifier

部品番号

コンポーネント説明

メーカー

IR1150I

µPFC ONE CYCLE CONTROL PFC IC

International Rectifier 

IR1150S/IR1150IS(PbF)

Block Diagram

OVP/EN 4

1.055VREF

ISNS 3

Vm

VREF

VFB 6

COMP 5

FAULT

1.0V

-

+

RESET

FAULT PROTECTION

OPEN LOOP PROTECTION

OUTPUT UNDER VOLTAGE

FAULT

Lead Assignments & Definitions

BIAS &

REFERENCES

UVLO

SLEEP

0.5V

CLOCK

MAX

DUTY CYCLE

LIMIT

SQ

RQ

FAULT

7

VCC

2 FREQ

8 GATE

1 COM

Lead Assignment

IR1150S

COM 1

8

FREQ 2

7

I SNS

3

6

OVP/EN 4

5

8 LEAD SOIC

GATE

V CC

VFB

COMP

Pin#

1

2

3

4

5

6

7

8

Symbol

Description

COM

FREQ

Ground

Frequency Set

I SNS

OVP/EN

Current Sense

Overvoltage Fault Detect / Enable

COMP Voltage Loop Compensation

VFB

VCC

GATE

Output Voltage Sense

IC Supply Voltage

Gate Drive Output

www.irf.com

6

Share Link: