PT6314 Datasheet, PDF (33/49 Pages) Texas Instruments – 3 Amp Adjustable Positive Step-down Integrated Switching Regulators

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Dot Character VFD Controller/Driver IC
PT6314
ABSOLUTE MAXIMUM RATINGS
(Unless otherwise stated, Ta=+25℃, Vss1=Vss2=0V)
Parameter
Symbol
Rating
Unit
Logic power supply voltage
VDD1
-0.5 to +6.0
V
Logic input voltage
Vi
-0.5 to VDD1 + 0.5
V
Logic output voltage
Vo
-0.5 to VDD1 +0.5
V
Driver power supply voltage
VDD2
-0.5 to +60
V
Driver output voltage
VO2
-0.5 to VDD2 + 0.5
V
Driver output current
Segment
Grid
IOL2S
IOH2S
IOL2G
IOH2G
+10
-4
+10
-20
mA
mA
mA
mA
Power dissipation
PD
1.2
W
Operating temperature
Topr
-40 to +85
℃
Storage temperature
Tstg
-65 to +150
℃
RECOMMENDED OPERATING RANGE
(Unless otherwise specified, Ta=+25℃, Vss1=Vss2=0V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Logic power supply voltage
VDD1
4.5
5.0
5.5
V
Logic system input voltage
VIN
0
-
VDD1
V
Driver power supply voltage
VDD2
20
-
50
V
Drive output current
Segment
Grid
IOL2S
IOH2S
IOL2G
IOH2G
-
-
-
-
-
+5
mA
-
-2
mA
-
+5
mA
-
-15
mA
Note: It is recommended that the order in which power is to be applied to the chipset is as follows:
VDD1 → Input → VDD2
PT6314 V1.3
- 33 -
March, 2006