參數(shù)資料
型號(hào)： MAX8901B
廠商： Maxim Integrated Products, Inc.
英文描述： Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package
中文描述： 效率最高的2至6只串聯(lián)WLED供電電源，2mm x 2mm TDFN封裝
文件頁(yè)數(shù)： 5/15頁(yè)
文件大小： 310K
代理商： MAX8901B
M
Highest Efficiency Supply for 2 to 6
Series WLEDs in a 2mm x 2mm TDFN Package
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(Circuit of Figure 5, I
LED
= 24.75mA, V
IN
= V
ON
= 3.6V, C1 = 1μF, C2 = 1μF, T
A
= +25°C, unless otherwise noted.)
70
75
85
80
90
95
LED AND BOOST EFFICIENCY
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
2
4
3
5
6
BOOST
LED
6WLEDs,
INDUCTOR: TOKO A915AY-220M,
DIODE: CENTRAL SEMI CMDSH05-4
0
100
200
300
400
500
600
700
800
2
3
4
5
6
7
IN CURRENT (I
IN
)
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
I
I
μ
A
MAX8901B
MAX8901A
1
μ
s/div
SWITCHING WAVEFORMS
50mV/div
AC-COUPLED
0mA
10V/div
0V
100mV/div
AC-COUPLED
100mA/div
V
I
V
LX
V
OUT
I
LX
20ms/div
INPUT OVERVOLTAGE
PROTECTION RESPONSE
6.4V
0V
0mA
10V/div
1V/div
(AC-COUPLED)
0V
20mA/div
20mA/div
V
IN
V
OUT
I
LEDs
V
LX
5.4V
10ms/div
STARTUP AND SHUTDOWN
RESPONSE (MAX8901A)
MAX8901A/B toc11
0mA
0mA
10V/div
2V/div
0V
0V
20mA/div
100mA/div
V
ON
V
OUT
I
SUPPLY
I
LEDs
C2 = 0.1
μ
F
10ms/div
STARTUP AND SHUTDOWN
RESPONSE (MAX8901B)
MAX8901A/B toc12
0mA
0mA
10V/div
2V/div
0V
0V
20mA/div
100mA/div
V
ON
V
OUT
I
SUPPLY
I
LEDs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8901BETA+ 制造商:Maxim Integrated Products 功能描述:HIGHEST EFFICIENCY SUPPLY FOR 2 TO 6 SERIES WLEDS IN A - Rail/Tube
MAX8901BETA+CAR 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
MAX8901BETA+T 功能描述:LED照明驅(qū)動(dòng)器 Supply for 2 to 6 Series WLEDs 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
MAX8901BETA+TCAR 功能描述:LED照明驅(qū)動(dòng)器 Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package 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
MAX8901BETA+TCH8 功能描述:LED照明驅(qū)動(dòng)器 Supply for 2 to 6 Series WLEDs 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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