參數(shù)資料
型號: PCF1178CU
廠商: NXP SEMICONDUCTORS
元件分類: 時鐘及定時
英文描述: 4-digit duplex LCD car clock
中文描述: LCD CLOCK, UUC28
封裝: DIE-28
文件頁數(shù): 5/20頁
文件大小: 132K
代理商: PCF1178CU
1997 Apr 16
5
Philips Semiconductors
Product specification
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 V
DD
= 4.5 V at +25
°
C, then:
V
DD
= 3 to 4 V at +85
°
C.
V
DD
= 5 to 6 V at
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 (o
VSS
(V)
(2)
(1)
(3)
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相關代理商/技術參數(shù)
參數(shù)描述
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