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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 2/15頁 |
| 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
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to GND.................................................................-0.3V to +7V
CS, COMP, ON to GND...............................-0.3V to (V
IN
+ 0.3V)
OVP, LX to GND.....................................................-0.3V to +28V
PGND to GND .......................................................-0.3V to +0.3V
LX Current ..................................................................770mA
RMS
Continuous Power Dissipation (multilayer board at +70°C)
8-pin, 2mm x 2mm TDFN
(derate above +70°C by 11.9mW/°C)..........................953mW
ELECTRICAL CHARACTERISTICS
(V
IN
= V
ON
= V
OVP
= 3.6V, V
PGND
= V
GND
= 0V, COMP, CS, and LX are unconnected, T
A
= -40°C to +85°C, unless otherwise noted.
Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
2.6
TYP
MAX
5.5
UNITS
V
Input Voltage
V
IN
rising
2.25
2.50
Input Undervoltage Lockout
Threshold
V
IN_UVLO
V
IN
falling
V
IN
rising
V
IN
falling
2.20
6.2
6.0
2.53
6.3
6.3
1
V
Input Overvoltage Lockout
Threshold
V
IN_OVLO
V
T
A
= +25
°
C
T
A
= +85
°
C
MAX8901A
0.01
0.1
70
Shutdown Input Current
I
SHDN
V
ON
= 0V
μA
135
Quiescent Current
I
Q
V
CS
= 0.55V, no
load (not
switching)
MAX8901B
115
185
μA
Output Voltage Range
V
OUT
V
DIODE
= external boost diode voltage drop
V
IN
-
V
DIODE
V
OV
V
OVP Overvoltage Protection
Threshold
OVP Input Current
CS Regulation Voltage
V
OV
6 LEDs with 25V OVP option
24
25
26
V
I
OV
V
CS
VOVP = 20V
No dimming
20
0.50
μA
V
0.475
0.525
ON Shutdown Delay
t
SHDN
Time V
ON
is below low threshold until
shutdown (Figure 1)
1.18
1.33
1.50
ms
ON High Voltage
ON Low Voltage
V
ON_HI
V
ON_LO
2.6V < V
IN
< 5.5V
2.6V < V
IN
< 5.5V
1.3
V
V
0.4
1
T
A
= +25
°
C
T
A
= +85
°
C
0.01
0.1
ON Input Current
I
ON
ON = IN
μA
Initial ON High Pulse Width
t
HI_INIT
First ON high pulse to enable IC
(MAX8901B) (Figure 1)
40
μs
ON High Pulse Width
ON Low Pulse Width
t
HI
t
LO
MAX8901B (Figure 1)
MAX8901B (Figure 1)
0.5
0.5
μs
μs
500.0
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相關代理商/技術參數(shù) |
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| 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 |
| MAX8901BETA+T | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX8901BETA+TCAR | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| MAX8901BETA+TCH8 | 功能描述:LED照明驅動器 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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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