PCF8531U NXP [NXP Semiconductors], PCF8531U Datasheet - Page 34

• Manufacturer Part Number: PCF8531U
• Description: 34 x 128 pixel matrix driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8531_4
Product data sheet
Fig 24. LCD supply voltage as a function of
Fig 26. Supply current as a function of frequency
V
(V)
LCD
( A)
I
30
20
10
0
9
8
7
6
50
V
no V
temperature
0
V
T
LCD
DD1
amb
LCD
= 27 C; TC = 0; BS = 100; no V
= 7.5 V; V
= 2.5 V; V
load.
I
DD(LCD)
20
I
DD
0
DD1
DD2
to V
and V
40
DD3
DD3
= 2.7 V; T
50
= 2.5 V; external V
60
T ( C)
amb
f (kHz)
LCD
mgs479
mgs481
= 27 C;
TC
TC
TC
TC
load.
0
6
7
100
1
80
Rev. 04 — 13 June 2008
LCD
;
Fig 25. Supply current as a function of LCD supply
Fig 27. Supply current as a function of LCD supply
( A)
( A)
I
DD
I
86
84
82
80
78
30
20
10
0
2
V
T
voltage
3
V
T
voltage
amb
amb
DD1
DD1
= 27 C; TC = 0; BS = 100; no V
= 27 C; TC = 0; BS = 111; no V
= 1.8 V; V
= 1.8 V; V
3.2
I
DD(LCD)
4
I
DD
DD2
DD2
3.4
and V
= 2.5 V; 2
34 x 128 pixel matrix driver
6
DD3
3.6
= 2.5 V; external V
voltage multiplier;
8
PCF8531
© NXP B.V. 2008. All rights reserved.
3.8
V
LCD
V
LCD
LCD
LCD
mgs480
mgs482
(V)
load.
load.
(V)
10
4
LCD
34 of 44
;