參數(shù)資料
型號： MAX1985ETP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 顯示驅(qū)動器
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
文件頁數(shù)： 9/17頁
文件大小： 333K
代理商： MAX1985ETP
M
Ultra-High-Efficiency White
LED Drivers
_______________________________________________________________________________________
9
Pin Description (continued)
PIN
MAX1984
MAX1985
MAX1986
NAME
FUNCTION
16
16
12
BITA
Brightness Control Input (Multimode):
DPWM Mode: DPWM control signal input.
Analog Mode: Connect to IN.
2- or 3-Bit Parallel Mode: Digital input. Most significant bit (MSB).
Brightness Control Input:
DPWM Mode: Connect to IN.
Analog Mode: Connect to IN.
2-Bit Parallel Mode: Connect to GND.
3-Bit Parallel Mode: Digital input (LSB).
17
17
13
BITC
18
18
14
IN
Input Supply. IN provides power to the internal control circuitry and MOSFET
drivers. Bypass IN to GND with a minimum 0.1μF ceramic capacitor.
19
19
15
MODE
Brightness Control Mode Selection Input. Connect MODE and BITC to IN for
DPWM control. Connect MODE, BITA, and BITC to IN for analog control. For 2-bit
parallel control, connect MODE to IN and BITC to ground. For 3-bit parallel control,
connect MODE to GND.
LED Selection Input. Connect SEL to IN to turn on all LEDs. Connect SEL to ground
to turn on only LED1
–
LED5 (MAX1984), LED1
–
LED4 (MAX1985), or LED1 to LED3
(MAX1986). Leave SEL unconnected or force to V
IN
/2 to turn on only LED6 to LED8
(MAX1984), LED3
–
LED6 (MAX1985), or LED4 (MAX1986).
20
20
16
SEL
MAX1984
D1
LD1
D2
4
LD2
1
OUT
D3
5
LD3
D4
6
LD4
D5
7
LD5
D6
9
LD6
D7
10
11
LD7
D8
12
8
20
19
17
15
16
13
14
LD8
SETI
REF
GND
LX
IN
BITA
BITB
BITC
MODE
SEL
LDG
C4
2 x 2.2
μ
F
LED SELECT
BRIGHTNESS
CONTROL
V
IN
C3
0.22
μ
F
C1
2 x 2.2
μ
F
L1
10
μ
H
18
2
3
V
2.7V TO 5.5V
C2
0.1
μ
F
Figure 1. Standard Application Circuit of the MAX1984
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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開發(fā)工具 MAX1985 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
MAX1986ETE 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
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