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參數資料
| 型號： | MAX8901A |
| 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： | 6/15頁 |
| 文件大?。?/td> | 310K |
| 代理商： | MAX8901A |
M
Highest Efficiency Supply for 2 to 6
Series WLEDs in a 2mm x 2mm TDFN Package
6
_______________________________________________________________________________________
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.)
499.4
499.8
499.6
500.2
500.0
500.8
500.6
500.4
501.0
0
10
5
15
20
25
30
35
V
CS
vs. LED CURRENT STEP
(MAX8901B)
M
LED CURRENT STEP
V
C
I
LED
= 0.75mA
I
LED
= 24.75mA
24.0
24.2
24.6
24.4
24.8
25.0
-40
10
-15
35
60
85
MAXIMUM LED CURRENT
vs. TEMPERATURE (MAX8901B)
M
TEMPERATURE (
°
C)
I
L
MINIMUM LED CURRENT
vs. TEMPERATURE (MAX8901B)
M
TEMPERATURE (
°
C)
I
L
μ
A
60
35
10
-15
735
740
745
750
730
-40
85
4ms/div
PWM DIMMING RESPONSE
(MAX8901A)
MAX8901A/B toc13
0V
0V
0mA
2V/div
0V
20mA/div
20mV/div
V
ON
V
IN
V
CS
V
OUT
I
LEDs
D = 10%
D = 90%
50mV/div
(AC-COUPLED)
500mV/div
f
ON_PWM
= 100kHz, DUTY
CYCLE CHANGE: 90% TO
10%, C2 = 0.1
μ
F
10ms/div
SERIAL PULSE DIMMING
RESPONSE (MAX8901B)
MAX8901A/B toc14
0V
0V
0mA
2V/div
0V
20mA/div
20mV/div
V
ON
V
IN
V
CS
V
OUT
I
LEDs
50mV/div
(AC-COUPLED)
1V/div
0
10
5
20
15
25
30
0
40
20
60
80
100
LED CURRENT vs. PWM
DIMMING (MAX8901A)
M
PWM DUTY CYCLE (%)
I
L
R
CS
= 20
Ω
,
f
PWM
= 100kHz
相關PDF資料 |
PDF描述 |
|---|---|
| MAX8901AETA | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package |
| MAX8901B | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package |
| MAX8901BETA | Highest Efficiency Supply for 2 to 6 Series WLEDs in a 2mm x 2mm TDFN Package |
| MAX893 | 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown |
| MAX893L | 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8901AETA+ | 制造商:Maxim Integrated Products 功能描述:HIGHEST EFFICIENCY SUPPLY 8TDFN EP - Rail/Tube |
| MAX8901AETA+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+ | 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 |
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