PT6959_10 Datasheet, PDF (11/20 Pages) Princeton Technology Corp – LED Driver IC

LED Driver IC
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URL: http://www.princeton.com.tw
PT6959
SWITCHING CHARACTERISTIC WAVEFORM
PT6959 Switching Characteristic Waveform s given below.
fosc
OSC 50%
STB
PWCLK PWCLK
PW ST B
tCL K- ST B
CLK
DIN
t s et up
t ho ld
tTZL
90 %
Gn
10 %
90 %
Sn
10 %
tTZH
where:
PW_CLK (Clock Pulse Width) ≥ 400ns
t_setup (Data Setup Time) ≥ 100ns
t_CLK-STB (Clock - Strobe Time) ≥ 1µs
t_TZH (Rise Time) ≤ 1µs
t_TZL < 1µs
tTLZ
tTHZ
PW_STB (Strobe Pulse Width) ≥ 1µs
t_hold (Data Hold Time) ≥ 100ns
t_THZ (Fall Time) ≤ 10µs
fosc=Oscillation Frequency
t_TLZ < 10µs
PT6959 V1.5
- 11 -
June, 2005