9-channel LED driver circuit singlet cascade
9 LED
UCS1909B
UCS1909B 9 LED , MCU 、、LED
。 MCU 、。,
。
, 10 800K/, 30 / , 1024 PWM 256 , 1....
Description
9 LED
UCS1909B
UCS1909B 9 LED , MCU 、、LED
。 MCU 、。,
。
, 10 800K/, 30 / , 1024 PWM 256 , 1.5kHz / s VDD 5V 24V 6/9 ,
(DIP14,SOP14)
ver2.2
www.szucs.cn
9 LED
UCS1909B
1 2 3
4,10,13 5,9,12 6,8,11
7 14
VDD SET DOUT OUTR OUTG OUTB GND DIN
UCS1909B
VDD:6 :9
(800K) Red() PWM Green()PWM Blue() PWM (800K)
(,TA = 25 ℃,VSS = 0 V)
VDD VOUT VI1 Topt Tstg ESD Pd
+ 6.0 ~ + 7.0
30 − 0.5 ~ VDD + 0.5
− 45~ + 85 − 55 ~ + 150
8000 600
V V V ℃ ℃ V mW
ver2.2
www.szucs.cn
9 LED
(,TA = − 20 ~ + 70 ℃,VSS = 0 V)
VDD - 6 - V
VIH 0.7 VDD
-
VDD
V
VIL
0
- 0.3 VDD V
VOUT 24
V
UCS1909B
-
(,TA = − 20 ~ + 70 ℃,VDD = 4.5 ~ 5.5 V,VSS = 0 V)
Idout
10
- - mA VO = 0.4 V,DOUT
II
-
- ±1 µA
VI = VDD / VSS
Isink
35 40
mA
VIH
0.7 VDD
-
V DIN,SET
VIL
-
- 0.3 VDD
V
DIN,SET
VH
-
0.35
-
V
DIN,SET
IDDdyn
1 mA
PD (Ta=25℃)
480 mW
Rth(j-a)
80 190 ℃/W
(,TA = − 20 ~ + 70 ℃,VDD = 4.5 ~ 5.5 V,VSS = 0 V)
FOSC1 FOSC2
- 800 --
kHz kHz
-
tPLZ
-
- 300 ns CL = 15 pF,DIN → DOUT,RL = 10 kΩ
tTHZ - - 120 μ s CL = 300 pF,OUTR / OUTG / OUTB
FMAX 800 -
- Kbps 50 %
CI - - 15 pF
-
,。, DIN ,
72bit ,DO ,。,DO 。 , OUTR、OUTG、OUTB PWM 72bit , , 0 . 6 ms 。 DIN RESET , ,, 72bit , DO , RESET ,OUTR、OUTG、OUTB , 24 µs RESET , 72bit PWM OUTR、OUTG、OUTB 。
ver2.2
www.szucs.cn
1)
9 LED
UCS1909B
2)
: D1 MCU...
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