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參數(shù)資料
| 型號(hào)： | ICE3BS02L |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell and Latched off Mode |
| 中文描述： | 離線式開(kāi)關(guān)電源電流模式控制器，集成了500V啟動(dòng)細(xì)胞和鎖存關(guān)閉模式 |
| 文件頁(yè)數(shù)： | 5/21頁(yè) |
| 文件大小： | 517K |
| 代理商： | ICE3BS02L |
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Version 1.1
5
28 Sep 2005
F3
ICE3BS02L
Pin Configuration and Functionality
1
1.1
Pin Configuration and Functionality
Pin Configuration with PG-DIP-8-6
Figure 1
Pin Configuration PG-DIP-8-6(top view)
Note:
Pin 4 and 5 are shorted within the DIP 8 package.
1.2
Pin Functionality
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.
Gate
The Gate pin is the output of the internal driver stage
connected to the Gate of an external PowerMOS.
HV (High Voltage)
The HV pin is connected to the rectified DC input voltage. It
is the input for the integrated 500V Startup Cell.
VCC (Power supply)
The VCC pin is the positive supply of the IC. The operating
range is between 8.5V and 21V.
GND (Ground)
The GND pin is the ground of the controller.
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
1
6
7
8
4
3
2
5
GND
SoftS
FB
CS
VCC
Gate
HV
HV
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