PCF1179CTD NXP Semiconductors, PCF1179CTD Datasheet - Page 5

• Manufacturer Part Number: PCF1179CTD
• Description: LCD Drivers 4 DIG DUPLX LCD CLCK
• Manufacturer: NXP Semiconductors

Specifications of PCF1179CTD

• Maximum Power Dissipation: + 85 C
• Maximum Operating Temperature: + 85 C
• Package / Case: SOT-136
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCF1179CT,112

Philips Semiconductors
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
V
V
1997 Apr 16
DD
DD
4-digit duplex LCD car clock
(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).
= 3 to 4 V at +85 C.
= 5 to 6 V at 40 C.
DD
= 4.5 V at +25 C, then:
Fig.5 Regulated voltage as a function of temperature (typical).
V SS
(V)
8
6
4
2
0
40
(3)
(2)
(1)
0
5
40
80
T ( C)
MSA995
o
120
Product specification
PCF1179C