ALP027XXX Datasheet, PDF (2/6 Pages) Sanyo Semicon Device – Low-Temperature Polysilicon 0.33-inch TFT LCD Module

ALP027XXX
Absolute Maximum Ratings at VSS = 0V
Item
Symbol
Ratings
unit
H/V driver power supply voltage
V driver negative power supply voltage
Common electrode voltage
VDD
VBB
COM
-1.0 to +10
V
-6.0 to -1.0
V
-1.0 to +10
V
Scan direction signal voltage
CSH, CSV
-1.0 to +10
V
H/V driver/Drain storage circuit input signal STH, XSTH, CKH1, CKH2
voltage
DSG, XDSG
-1.0 to +10
V
V driver input voltage
STV, XSTV, CKV1, CKV2,
ENB, XENB
-1.0 to +10
V
Video signal/Drain storage data signal input
voltage
V1, V2, V3, DSD
-1.0 to +8
V
Operating temperature
Topr
-10 to +60
ºC
Storage temperature
Tstg
-20 to +70
ºC
Operating Conditions at VSS = 0V
Item
Symbol
min
typ
max
unit
Power supply voltage
VDD
8.2
8.5
8.8
V
VBB output voltage
VBB
-4.5
(-4.0)
-3.5
V
Negative Power Supply Generator
To stabilize VBB output voltage, VBB should be tied VSS through a zener diode with smoothing capacitor as the
following diagram.
VBB(No.14)
D1
C1
ALP027XXX
VSS(No.3)
Capacitance [µF]
C1
0.022
Rating voltage
16VDC and more
Capacitance tolerance
+80% and less, -20% and more
D1
RD5.1S - B2 or RD5.1UM - B2 (NEC makes) or the corresponding products
No.7660-2/6