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參數(shù)資料
| 型號： | TDA16822 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.5 A SWITCHING REGULATOR, 107 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 234K |
| 代理商： | TDA16822 |
TDA 16822
CoolSET
Version 2.0
13
11 April 2000
at FB is above 4.8V. This combination is to prevent the
normal operation mode from overvoltage protection
due to varying of VCC concerning the regulation of the
converter output. Figure 7 shows the hiccup mode for
open loop and no load condition.
-Undervoltage Protection
There is an undervoltage protection of V
CC realised by
the Comparator C4. In case V
CC falls below 10V the
Comparator C4 immediately turns off the gate drive by
means of the Error-Latch. This is to provide only
defined switching of the CoolMOS.
-Thermal shutdown
Thermal shutdown is latched by the Error-Latch when
junction temperature of the pwm controller is exceeding
an internal threshold of 140°C.
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