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參數(shù)資料
| 型號(hào)： | ICE_1PD265G |
| 英文描述： | ?PFC IC/CoolMOS one-package combination? |
| 中文描述： | ？功率因數(shù)校正集成電路/的CoolMOS一包組合？ |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | ICE_1PD265G |
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Infineon Technologies
preliminary
ICE1PD265G
Infineon Tech
PCI Group
10.09.01
6
Undervoltage Lockout
An undervoltage lockout circuitry switches the IC on when Vcc reaches the upper threshold V
CCH
and switches the IC off when Vcc is falling below the lower threshold V
CCL
. During start up the sup-
ply current is less then 100uA.
An internal voltage clamp has been added to protect the IC from Vcc overvoltage condition. When
using this clamp special care must be taken on power dissipation.
Start up current is provided by an external start up resistor which is connected from the AC line to
the input supply voltage Vcc and a storage capacitor which is connected from Vcc to ground. Be
aware that this capacitor is discharged befor the IC is plugged into the application board. Otherwise
the IC can be destroyed due to the high capacitor voltage.
Bootstrap power supply is created with the previous mentioned auxiliary winding and a diode (see
application circuit).
CoolMOS
The CoolMOS is designed for very low R
DSon
=
to reduce power dissipation.
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