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參數資料
| 型號： | TLV61224DCKT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, PDSO6 |
| 封裝： | GREEN, PLASTIC, SC-70, 6 PIN |
| 文件頁數： | 17/17頁 |
| 文件大小： | 769K |
| 代理商： | TLV61224DCKT |
TLV61224
SLVSAM7
– MARCH 2011
Undervoltage Lockout
An implemented undervoltage lockout function (UVLO) stops the operation of the converter if the input voltage
drops below the typical undervoltage lockout threshold. This function is implemented in order to prevent
malfunctioning of the converter and protect batteries against deep discharge.
Overvoltage Protection
If, for any reason, the output voltage is not fed back properly to the input of the voltage amplifier, control of the
output voltage will not work anymore. Therefore overvoltage protection is implemented to avoid the output
voltage exceeding critical values for the device and possibly for the system it is supplying. For this protection the
TLV61224 output voltage is also monitored internally. In case it reaches the internally programmed threshold the
voltage amplifier regulates the output voltage to this value.
Overtemperature Protection
The device has a built-in temperature sensor which monitors the internal IC junction temperature. If the
temperature exceeds the programmed threshold (see electrical characteristics table), the device stops operating.
As soon as the IC temperature has decreased below the programmed threshold, it starts operating again. To
prevent unstable operation close to the region of overtemperature threshold, a built-in hysteresis is implemented.
Copyright
2011, Texas Instruments Incorporated
9
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