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TOP233, TOP233G, TOP233GN

Table of contents:
Info of TOP233
Info of TOP233G
Info of TOP233GN

TOP233, TOP233G, TOP233GN Selling Leads, Datasheet

MFG:Power Integrations Category:Integrated Circuits (ICs) Package Cooled:DIP-8 D/C:05+

TOP233, TOP233G, TOP233GN Datasheet download

Five Points

Part Number: TOP233G

Category: Integrated Circuits (ICs)

MFG: Power Integrations

Package Cooled: DIP-8

D/C: 05+

Description: IC OFFLINE SWIT OVP UVLO 8SMD

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TOP233 General Description

TOPSwitch-FX uses the proven TOPSwitch topology and cost effectively integrates many new functions that reduce system cost and, at the same time, improve design flexibility, performance and energy efficiency. Like TOPSwitch, the high voltage power MOSFET, PWM control, fault protection and other control circuitry are all integrated onto a single CMOS chip, but with two added terminals. The first one is a MULTIFUNCTION (M) pin, which implements programmable line OV/UV shutdown and line feed forward/DC_MAX reduction with line voltage. The same pin can be used instead to externally set an accurate current limit. In either case, this pin can also be used for remote ON/OFF or to synchronize the oscillator to an external, lower frequency signal. The second added terminal is the FREQUENCY (F) pin and is available only in the Y package. This pin provides the half frequency option when connected to CONTROL (C) instead of SOURCE (S). The features on the new pins can be disabled by shorting them to the SOURCE, which allows the device to operate in a three terminal TOPSwitch mode, but with the following new transparent features: soft-start, cycle skipping, 130 kHz switching frequency, frequency jittering, wider DC_MAX, hysteretic thermal shutdown and larger creepage. In addition, all critical parameters such as frequency, current limit, PWM gain, etc. have tighter temperature and absolute tolerances compared to the TOPSwitch-II family. Higher current limit accuracy and larger DC_MAX, when combined with other features allow for a 10% to 15% higher power capability on the TOPSwitch-FX devices compared to equivalent TOPSwitch-II devices for the same input/output conditions.

TOP233 Maximum Ratings

DRAIN Voltage .................................................................... -0.3 to 700 V
DRAIN Peak Current: TOP232 ......................................................... 0.8 A
TOP233 ......................................................... 1.6 A
TOP234 ......................................................... 2.4 A
CONTROL Voltage ................................................................... -0.3 to 9 V
CONTROL Current .........................................................................100 mA
MULTI-FUNCTION Pin Voltage ................................................. -0.3 to 9 V
FREQUENCY Pin Voltage........................................................... -0.3 to 9 V
Storage Temperature ......................................................... -65 to 125 °C
Operating Junction Temperature² ...................................... -40 to 150 °C
Lead Temperature³ ....................................................................... 260 °C

TOP233 Features

• Features eliminate or reduce cost of external components
• Fully integrated soft-start for minimum stress/overshoot
• Externally settable accurate current limit
• Wider duty cycle for more power, smaller input capacitor
• Line under-voltage (UV) detection: no turn off glitches
• Line over-voltage (OV) shutdown extends line surge limit
• Line feed forward with maximum duty cycle (DC_MAX)
reduction rejects ripple and limits DC_MAX at high line
• Single resistor sets OV/UV thresholds, DCMAX reduction
• Frequency jittering reduces EMI and EMI filtering costs
• Regulates to zero load without dummy loading
• 130 kHz frequency reduces transformer/power supply size
• Half frequency option for video applications
• Hysteretic thermal shutdown for automatic recovery
• Large thermal hysterisis prevents PC board overheating
• Standard packages with omitted pins for large creepage
• Active-on and active-off remote ON/OFF capability
• Synchronizable to a lower frequency

TOP233 Connection Diagram

TOP233G Parameters

Technical/Catalog Information	TOP233G
Vendor	Power Integrations
Category	Integrated Circuits (ICs)
Packaging	Tube
Package / Case	8-SMD
Power (Watts)	25W
Voltage - Input	-
Voltage - Output	700V
Frequency Range	66 ~ 132kHz
Operating Temperature	-40°C ~ 150°C
Output Isolation	Isolated
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	TOP233G TOP233G

TOP233GN Parameters

Technical/Catalog Information	TOP233GN
Vendor	Power Integrations
Category	Integrated Circuits (ICs)
Packaging	Tube
Package / Case	8-SMD
Power (Watts)	25W
Voltage - Input	-
Voltage - Output	700V
Frequency Range	66 ~ 132kHz
Operating Temperature	-40°C ~ 150°C
Output Isolation	Isolated
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TOP233GN TOP233GN

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