參數資料
型號： MAX1984ETP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 顯示驅動器
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： 4/17頁
文件大?。?/td> 333K
代理商： MAX1984ETP
M
Ultra-High-Efficiency White
LED Drivers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(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
= -40
°
C to
+85
°
C
, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
2.7
TYP
MAX
5.5
UNITS
V
IN Supply Range
IN Undervoltage Lockout Threshold
50mV typical hysteresis
2.2
2.6
V
IN Quiescent Current
REF Output Voltage
REF Line Regulation
REF Load Regulation
Oscillator Frequency
BITA = BITB = BITC = IN, LD1 to LD8 = GND
I
REF
= 0
2.7V < V
IN
< 5.5V
-1μA < I
REF
< +50μA
600
1.270
5
15
1.2
μA
V
mV
mV
MHz
1.230
0.8
OUT Overvoltage Protection
Threshold
INTERNAL MOSFET SWITCHES
N-Channel MOSFET On-Resistance
P-Channel MOSFET On-Resistance
V
LD1
to V
LD8
= 50mV, OUT rising, 100mV typical
hysteresis
5.1
5.5
V
I
LX
= 200mA
I
LX
= 200mA
MAX1984
MAX1985
MAX1986
0.8
1.0
0.81
0.65
0.52
0.50
0.40
0.30
N-Channel MOSFET Current Limit
A
CONTROL INPUTS
BITA, BITB, BITC Input Logic Low
Level
BITA, BITB, BITC Input Logic High
Level
MODE Input Logic Low Level
MODE Input Logic High Level
SEL Input Logic Low Level
SEL Input Logic Midlevel
SEL Input Logic High Level
FULL-SCALE LED CURRENT ADJUSTMENT
2.7V < V
IN
< 5.5V
0.4
V
2.7V < V
IN
< 5.5V
1.6
V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
0.4
0.4
1.85
V
V
V
V
V
V
IN
- 0.4
0.50
2.05
V
LD
_ = 80mV, SETI = BITA = BITB = BITC = IN
V
LD
_ = 80mV, R
SETI
= 278k
±1%, BITA = BITB =
BITC = IN
V
LD
_ = 80mV, R
SETI
= 1.8M
±1%, BITA = BITB =
BITC = IN
V
LD_
= 80mV, R
SETI
= 697k
±1%, BITA = BITB =
BITC = IN
SETI = GND
16
20
22
28
11.5
16.0
15.5
20.0
LD1 to LD8 Output Current
0.42
0.60
mA
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相關代理商/技術參數
參數描述
MAX1984ETP+ 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1984ETP+T 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1984ETP-T 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1985ETP 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1985ETP+ 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N
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