PT6312_10 Datasheet, PDF (17/21 Pages) Princeton Technology Corp – VFD Driver/Controller IC

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VFD Driver/Controller IC
PT6312
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, VDD=5V, GND=0V, VEE=VDD-35V, Ta=25℃)
Parameter
Symbol
Test Condition
Min. Typ. Max. Unit
High-level output voltage VOHLED
IOHLED=-1mA
LED1 to LED4
0.9VDD -
-
V
Low-level output voltage VOLLED
IOLLED=+20mA
LED1 to LED4
-
-
1
V
Low-level output voltage VOLDOUT DOUT, IOLDOUT=4mA
-
-
0.4 V
High-level output current IOHSG
VO=VDD -2V
SG1 to SG11
-3
-
- mA
VO=VDD -2V
High-level output current IOHGR
GR1 to GR6,
-15
-
- mA
SG12/GR11 to SG16/GR7
High-level input voltage
VIH
-
0.7VDD -
-
V
Low-level input voltage
VIL
-
-
- 0.3VDD V
Oscillation frequency
fosc
R=51KΩ
350 500 650 KHz
Input current
II
VI=VDD or VSS
-
-
±1 µA
Dynamic current
consumption
IDDdyn Under no load display off
-
-
5 mA
(Unless otherwise stated, VDD=3.3V, GND=0V, VEE=VDD-35 V, Ta=25℃)
Parameter
Symbol
Test Condition
Min. Typ. Max. Unit
High-level output voltage VOHLED
IOHLED=-1mA
LED1 to LED4
0.9VDD -
-
V
Low-level output voltage VOLLED
IOLLED=+20mA
LED1 to LED4
-
-
1
V
Low-level output voltage VOLDOUT DOUT, IOLDOUT=4mA
-
-
0.4 V
High-level output current IOHSG
VO=VDD -2V
SG1 to SG8
-1.5 -
- mA
VO=VDD -2V
High-level output current IOHGR
GR1 to GR6,
-6
-
- mA
SG9 to SG16/GR7
High-level input voltage
VIH
-
0.7VDD -
-
V
Low-level input voltage
VIL
-
-
- 0.3VDD V
Oscillation frequency
fosc
R=30KΩ
350 500 650 KHz
Input current
II
VI=VDD or VSS
-
-
±1 µA
Dynamic current
consumption
IDDdyn Under no load display off
-
-
3 mA
PT6312 V2.6
- 17 -
December, 2005