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What is ICE2QR0665?

This electronic component, produced by the manufacturer "Infineon Technologies", performs the same function as "Off-Line SMPS Quasi-Resonant PWM Controller".


ICE2QR0665 Datasheet PDF - Infineon Technologies

Part Number ICE2QR0665
Description Off-Line SMPS Quasi-Resonant PWM Controller
Manufacturers Infineon Technologies 
Logo Infineon Technologies Logo 


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Datasheet,Version 2.5, July 4, 2011
®
ICE2QR0665
Off-Line SMPS Quasi-Resonant
PWM Controller with integrated
650V CoolMOS® and startup cell in
DIP-8
Power Management & Supply
Never stop thinking.
http://www.Datasheet4U.com

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ICE2QR0665 equivalent
CoolSET® - Q1
ICE2QR0665
Pin Configuration and Functionality
1 Pin Configuration and Functionality
1.1 Pin Configuration with PG-DIP-8 1.3
Pin Functionality
Pin Symbol Function
1 ZC
2 FB
3 CS
4, 5 Drain
6 n.c.
7 VCC
8 GND
1) at Tj=110°C
Zero Crossing
Feedback
Current Sense/
650V1) CoolMOS® Source
650V1) CoolMOS® Drain
Not connected
Controller Supply Voltage
Controller Ground
1.2 Package PG-DIP-8
ZC (Zero Crossing)
At this pin, the voltage from the auxiliary winding after
a time delay circuit is applied. Internally, this pin is
connected to the zero-crossing detector for switch-on
determination. Additionally, the output overvoltage
detection is realized by comparing the voltage Vzc with
an internal preset threshold.
FB (Feedback)
Normally, an external capacitor is connected to this pin
for a smooth voltage VFB. Internally, this pin is
connected to the PWM signal generator for switch-off
determination (together with the current sensing
signal), the digital signal processing for the frequency
reduction with decreasing load during normal
operation, and the Active Burst Mode controller for
entering Active Burst Mode operation determination
and burst ratio control during Active Burst Mode
operation. Additionally, the open-loop / over-load
protection is implemented by monitoring the voltage at
this pin.
ZC 1
FB 2
CS 3
CS (Current Sense)
8
GND
This pin is connected to the shunt resistor for the
primary current sensing, externally, and the PWM
signal generator for switch-off determination (together
with the feedback voltage), internally. Moreover, short-
7
VCC
winding protection is realised by monitoring the voltage
Vcs during on-time of the main power switch.
Drain (Drain of integrated Depl. CoolMOS®)
6
n.c.
Drain pin is the connection to the drain of the internal
CoolMOS®.
Drain
4
5 Drain
Figure 1 Pin Configuration PG-DIP-8 (top view)
Note: Pin 4 and 5 are shorted
VCC (Power supply)
VCC pin is the positive supply of the IC. The operating
range is between VVCCoff and VVCCOVP.
GND (Ground)
This is the common ground of the controller.
Version 2.5
5 July 4, 2011
http://www.Datasheet4U.com


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ICE2QR0665 electronic component.


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ICE2QR0665


1. 650V PWM Controller - Infineon

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Part NumberDescriptionMFRS
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ICE2QR0665ZThe function is Off-Line SMPS Quasi-Resonant PWM Controller. Infineon TechnologiesInfineon Technologies

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