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MC33362

High Voltage Switching Regulator

ON Semiconductor 

MC33362

High Voltage Switching

Regulator

The MC33362 is a monolithic high voltage switching regulator that

is specifically designed to operate from a rectified 120 VAC line

source. This integrated circuit features an on−chip 500 V/2.0 A

SENSEFET power switch, 250 V active off−line startup FET, duty

cycle controlled oscillator, current limiting comparator with a

programmable threshold and leading edge blanking, latching pulse

width modulator for double pulse suppression, high gain error

amplifier, and a trimmed internal bandgap reference. Protective

features include cycle−by−cycle current limiting, input undervoltage

lockout with hysteresis, output overvoltage protection, and thermal

shutdown. This device is available in a 16−lead dual−in−line and wide

body surface mount packages.

• On−Chip 500 V, 2.0 A SENSEFET Power Switch

• Rectified 120 VAC Line Source Operation

• On−Chip 250 V Active Off−Line Startup FET

• Latching PWM for Double Pulse Suppression

• Cycle−By−Cycle Current Limiting

• Input Undervoltage Lockout with Hysteresis

• Output Overvoltage Protection Comparator

• Trimmed Internal Bandgap Reference

• Internal Thermal Shutdown

• Pb−Free Packages are Available

http://onsemi.com

MARKING

DIAGRAMS

16

1

16

1

PDIP−16

P SUFFIX

CASE 648E

MC33362P

AWLYYWW

SO−16W

DW SUFFIX

CASE 751N

MC33362DW

AWLYYWW

A = Assembly Location

WL = Wafer Lot

YY = Year

WW = Work Week

PIN CONNECTIONS

Startup Input 1

16

Power Switch

Drain

AC Input

Startup Input 1

Regulator

Output

8

6

RT

CT 7

Mirror

OSC

PWM

Thermal

Startup

Reg

PWM Latch

S

Driver

Q

R

UVLO

OVP

VCC

3

Overvoltage

Protection

Input

11

16

Power Switch

Drain

LEB

Ipk

Compensation

9

DC Output

EA

10

GND 4, 5, 12, 13

Voltage

Feedback

Input

This device contains 221 active transistors.

Figure 1. Simplified Application

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

VCC 3

4

GND

5

RT 6

CT 7

Regulator Output 8

13

GND

12

11

Overvoltage

Protection Input

10 Voltage Feedback

Input

9 Compensation

(Top View)

ORDERING INFORMATION

Device

Package

Shipping†

MC33362DW

SO−16W 47 Units/Rail

MC33362DWG

SO−16W

(Pb−Free)

47 Units/Rail

MC33362DWR2 SO−16W 1000 Tape & Reel

MC33362DWR2G SO−16W 1000 Tape & Reel

(Pb−Free)

MC33362P

PDIP−16 25 Units/Rail

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

 Semiconductor Components Industries, LLC, 2005

1

April, 2005 − Rev. 6

Publication Order Number:

MC33362/D

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