參數(shù)資料
型號： 935182630005
廠商： NXP SEMICONDUCTORS
元件分類： 時鐘及定時
英文描述： LCD CLOCK, UUC28
封裝： DIE-28
文件頁數(shù)： 18/22頁
文件大?。?/td> 153K
代理商： 935182630005
1997 Apr 16
5
Philips Semiconductors
Product specication
4-digit duplex LCD car clock
PCF1178C
LCD voltage (see Fig.5)
The adjustable voltage regulator controls the supply
voltage (see Section “LCD voltage programming”) in
relation to temperature for good contrast, for example
when VDD = 4.5 V at +25 °C, then:
VDD = 3 to 4 V at +85 °C.
VDD =5to6Vat 40 °C.
Fig.5 Regulated voltage as a function of temperature (typical).
(1) Programmed to 4.0 V at 25
°C (value within the specified operating range).
(2) Programmed to 4.5 V at 25
°C (value within the specified operating range).
(3) Programmed to 5.0 V at 25
°C (value within the specified operating range).
40
0
40
120
8
6
2
0
4
MSA995
80
T ( C)
o
V SS
(V)
(2)
(1)
(3)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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