參數(shù)資料
型號(hào)： MAX1985ETP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 顯示驅(qū)動(dòng)器
英文描述： Ultra-High-Efficiency White LED Drivers
中文描述： LED DISPLAY DRIVER, QCC20
封裝： 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD-1, QFN-20
文件頁(yè)數(shù)： 3/17頁(yè)
文件大?。?/td> 333K
代理商： MAX1985ETP
M
Ultra-High-Efficiency White
LED Drivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1; V
IN
= 3.3V, SETI = BITA = BITB = BITC = SEL = IN, MODE = GND, C
OUT
= 4.7μF, C
REF
= 0.22μF,
T
A
= 0
°
C to +85
°
C
,
unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
0.4
1.85
5
10
UNITS
V
V
V
SEL Input Logic Low Level
SEL Input Logic Midlevel
SEL Input Logic High Level
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
SEL = GND, current out of the pin
SEL = IN, current into the pin
0.50
2.05
SEL Input Bias Current
μA
FULL-SCALE LED CURRENT ADJUSTMENT
V
LD_
= 80mV, SETI = BITA = BITB = BITC = IN
V
LD
_ = 80mV, R
SETI
= 278k
±0.1%, BITA = BITB =
BITC = IN
V
LD
_ = 80mV, R
SETI
= 1.8M
±0.1%, BITA = BITB =
BITC = IN
V
LD_
= 80mV, R
SETI
= 597k
±0.1%, BITA = BITB =
BITC = IN
V
L D 1
= 1V R
S E T
= 10k
BITA = BITB = BITC = IN
SETI = GND
SETI = IN, I
LX
= 120mA (MAX1984),
110mA (MAX1985), 98mA (MAX1986)
16.5
18
19.5
22.5
25
27.5
12.5
14
15.5
16.5
18
19.5
26
0.50
LD1 to LD8 Output Current
0.42
0.60
mA
LD1 to LD8 Regulation Voltage
80
100
120
mV
SETI High-Level Threshold
(18mA LED Default Current)
SETI Low-Level Threshold
(0.5mA LED Default Current)
SETI Output Current
OUTPUT CURRENT SOURCE
LD1 to LD8 On-Resistance
LD1 to LD8 Current-Source
Compliance
LD1 to LD8 Leakage Current
DIGITAL BRIGHTNESS CONTROL
2.7V < V
IN
< 5.5V
V
IN
- 0.4
V
2.7V < V
IN
< 5.5V
50
125
mV
SETI = GND
40
70
100
μA
V
LD_
= 50mV, V
OUT
= 3.5V
BITA = BITB = BITC = IN, 80mV < V
LD_
< 1V
(Note 1)
BITA = BITB = BITC = GND
3
4
0.3
5
%
0.01
1
μA
2-Bit Control DAC LSB
MODE = SETI = BITB = IN, BITA = BITC = GND
(Note 2)
SETI = BITC = IN, MODE = BITA = BITB = GND
(Note 2)
26
33
39
%
3-Bit Control DAC LSB
7
14
21
%
DPWM BRIGHTNESS CONTROL
DPWM Input Supply Range
DPWM Shutdown Duty Cycle
MODE = BITC = IN
BITC = GND
2.3
3
5.5
7
V
%
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1985ETP+ 功能描述:LED照明驅(qū)動(dòng)器 High-Efficiency White LED Driver 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
MAX1985ETP+T 功能描述:LED照明驅(qū)動(dòng)器 High-Efficiency White LED Driver 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
MAX1985ETP-T 功能描述:LED照明驅(qū)動(dòng)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
MAX1985EVKIT 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1985 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
MAX1986ETE 功能描述:LED照明驅(qū)動(dòng)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
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