PT6955_10 Datasheet, PDF (15/19 Pages) Princeton Technology Corp – LED Driver IC

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LED Driver IC
PT6955
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, VDD=5V, GND=0V, Ta=25Ċ)
Parameter
Symbol
Test Condition
VO=VDD-1V
IOHSG(1) SG1 to SG9,
High-Level Output Current
SG10/GR7 to SG12/GR5
VO=VDD-2V
IOHSG(2) SG1 to SG9,
SG10/GR7 to SG12/GR5
VO=0.3V
Low-Level Output Current IOLGR GR1 to GR4,
SG10/GR7 to SG12/GR5
Segment High-Level
Output Current Tolerance
VO=VDD-1V
ITOLSG SG1 to SG9,
SG10/GR7 to SG12/GR5
High-Level Input Voltage
VIH -
Low-Level Input Voltage
VIL -
Oscillation Frequency
fosc R=51KΩ
Min. Typ. Max. Unit
-10 -14 -30 mA
-20 -25 -50 mA
100 140
-
mA
-
-
±5
%
0.8VDD -
-
V
-
- 0.3VDD V
350 500 650 KHz
PT6955 V1.5
- 15 -
June, 2005