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ICE3BS02L Datasheet PDF - Infineon Technologies

Part Number ICE3BS02L
Description Off-Line SMPS Current Mode Controller
Manufacturers Infineon Technologies 
Logo Infineon Technologies Logo 

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Datasheet, Version 1.1, 28 Sep 2005
F3
ICE3BS02L
Off-Line SMPS Current Mode
Controller with integrated 500V
Startup Cell and Latched off Mode
Power Management & Supply
Never stop thinking.

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ICE3BS02L equivalent
F3
ICE3BS02L
Pin Configuration and Functionality
1 Pin Configuration and Functionality
1.1 Pin Configuration with PG-DIP-8-6
1.2 Pin Functionality
Pin Symbol Function
1 SoftS Soft-Start
2 FB Feedback
3 CS Current Sense
4 HV High Voltage Input
5 HV High Voltage Input
6 Gate Driver Stage Output
7 VCC Controller Supply Voltage
8 GND Controller Ground
Package PG-DIP-8-6
SoftS
1
8 GND
SoftS (Soft Start & Auto Restart Control)
The SoftS pin combines the functions of Soft Start during
Start Up and error detection for Auto Restart Mode. These
functions are implemented and can be adjusted by means of
an external capacitor at SoftS to ground. This capacitor also
provides an adjustable blanking window for high load jumps,
before the IC enters into Auto Restart Mode.
FB (Feedback)
The information about the regulation is provided by the FB
Pin to the internal Protection Unit and to the internal PWM-
Comparator to control the duty cycle. The FB-Signal
controls in case of light load the Active Burst Mode of the
controller.
CS (Current Sense)
The Current Sense pin senses the voltage developed on the
series resistor inserted in the source of the external
PowerMOS. If CS reaches the internal threshold of the
Current Limit Comparator, the Driver output is immediately
switched off. Furthermore the current information is
provided for the PWM-Comparator to realize the Current
Mode.
FB 2
Gate
The Gate pin is the output of the internal driver stage
7 VCC connected to the Gate of an external PowerMOS.
CS 3
HV (High Voltage)
6
Gate
The HV pin is connected to the rectified DC input voltage. It
is the input for the integrated 500V Startup Cell.
HV 4
5 HV
VCC (Power supply)
The VCC pin is the positive supply of the IC. The operating
range is between 8.5V and 21V.
Figure 1
Pin Configuration PG-DIP-8-6(top view)
Note: Pin 4 and 5 are shorted within the DIP 8 package.
GND (Ground)
The GND pin is the ground of the controller.
Version 1.1 5 28 Sep 2005


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