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參數(shù)資料
| 型號： | LP5520 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | RGB Backlight LED Driver |
| 中文描述： | RGB背光LED驅(qū)動器 |
| 文件頁數(shù)： | 17/34頁 |
| 文件大?。?/td> | 790K |
| 代理商： | LP5520 |
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RGB DRIVER ELECTRICAL CHARACTERISTICS (R
OUT
, G
OUT
, B
OUT
Outputs)
Symbol
I
LEAKAGE
Parameter
Condition
Min
Typ
0.1
Max
1
Units
μA
R
OUT
, G
OUT
and B
OUT
pin
leakage current
Maximum Sink Current
I
MAX
I
R
Outputs R
OUT
, G
OUT
and B
OUT
Control = 255 (FFH)
Output current set to 20 mA
60
21
+5
66
+10
±2
mA
Current accuracy of R
OUT
,
G
OUT
and B
OUT
19
-
5
54
-
10
20
mA
%
mA
%
%
Output current set to 60 mA
60
I
MATCH
t
PWM
f
RGB
V
SAT
f
MAX
Matching (Note 10)
Between R
OUT
, G
OUT
and B
OUT
at 20 mA current
Accuracy proportional to internal clock frequency
±0.2
PWM cycle time
820
μs
RGB switching frequency
<pwm_fast> = 0
1.22
kHz
<pwm_fast> = 1
I
(LED)
= 60 mA
I
(LED)
= 60 mA
19.52
550
kHz
mV
Saturation voltage (Note 11)
External PWM maximum
frequency
1
MHz
Note 10:
Matching is the maximum difference from the average when all outputs are set to same current.
Note 11:
Saturation voltage is defined as the voltage when the LED current has dropped 10% from the value measured at 2V.
RGB DRIVER TYPICAL PERFORMANCE CHARACTERISTICS
V
SAT
vs I
LED
20186110
17
www.national.com
L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP5520TL | RGB Backlight LED Driver |
| LP5520TLX | RGB Backlight LED Driver |
| LP5521 | Programmable Three Channel LED Driver |
| LP5521TM | Programmable Three Channel LED Driver |
| LP5521TMX | Programmable Three Channel LED Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP5520TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:RGB Backlight LED Driver |
| LP5520TL/NOPB | 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP5520TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:RGB Backlight LED Driver |
| LP5520TLX/NOPB | 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP5521 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable Three Channel LED Driver |
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