PT6314 Datasheet, PDF (34/49 Pages) Texas Instruments – 3 Amp Adjustable Positive Step-down Integrated Switching Regulators

Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
Dot Character VFD Controller/Driver IC
PT6314
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Ta=-40 to +85℃, VDD1=5.0V, VDD2=50V, VSS1=VSS2=0V)
Parameter
Symbol
Condition
Min. Typ. Max. Unit
High level input voltage 1 VIH1 Logic, Expect E/SCK,RESET 0.7VDD1 -
-
V
Low level input voltage 1
VIL1
Logic, Expect E/SCK,RESET,
DLS
-
- 0.3 VDD1 V
High level input voltage 2 VIH2
E/SCK, RESET
0.8VDD1 -
-
V
Low level input voltage 2 VIL2
E/SCK, RESET,DLS
-
- 0.2 VDD1 V
High level output voltage
(LOGIC)
VOH1
DBn, SI/SO, SDO, SLK,
LATCH,/CLR, IOH1=-0.1mA
VDD1-0.5
-
-
V
Low level output voltage
(LOGIC)
VOL1
DBn, SI/SO, SDO, SLK,
LATCH,/CLR, IOL1=+0.1mA
-
- VSS1+0.5 V
High level input current
IIH
TEST, VIN=VDD1
20
-
500
µA
High level leakage current ILOH
Logic, VINOUT=VDD1
-
-
1.0
µA
Low level leakage current ILOL
Logic, VINOUT=VSS1
-
-
-1.0
µA
High level output voltage
(DRIVER)
VOH2S1 SG1to SG80, IOH2=-1mA
VOH2S2 SG1 to SG80, IOH2=-2mA
VOH2G GR1 to GR24, IOL2=-15mA
46
45
45
-
-
-
-
-
-
V
V
V
Low level output voltage
(DRIVER)
VOL2
SG1 to SG80, GR1 to GR24
IOL2=1mA
-
-
5
V
Current consumption
IDD1
IDD2
Logic
Driver
-
-
Note: The Typical (Typ.) Value is a reference value when Ta=25℃.
-
100
µA
-
100
µA
SWITCHING CHARACTERISTICS
(Unless otherwise specified, Ta=-40 to +85℃, VDD1=5.0 ±10%)
Parameter
Symbol
Condition
Oscillation frequency
Fosc
R=56KΩ
Operation frequency
fc
OSC1 External Clock
Rise time
TTLH1
SG1 to SG80, CL=50pF
Rise time (see Note 2) TTLH2
GR1 to GR24, CL=50pF
Fall time
TTHL
SG1 to SG80, GR1 to GR24
CL=50pF
Min. Typ. Max. Unit
392 560 728 KHz
450 560 900 KHz
- - 1.0 µs
- - 1.0 µs
- - 1.0 µs
PT6314 V1.3
- 34 -
March, 2006