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参数资料
| 型号： | MAX1574 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN |
| 中文描述： | 180mA、1倍/2倍、白光LED电荷泵，3mm x 3mm TDFN封装 |
| 文件页数： | 4/9页 |
| 文件大小： | 214K |
| 代理商： | MAX1574 |
M
180mA, 1x/2x, White LED Charge Pump
in 3mm x 3mm TDFN
4
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V
IN
= 3.6V, EN = IN, driving three white LEDs, T
A
= +25°C, unless otherwise noted.)
LED CURRENT MATCHING
vs. INPUT SUPPLY VOLTAGE
M
INPUT SUPPLY VOLTAGE (V)
L
5.1
4.7
3.9
4.3
3.5
3.1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
2.7
5.5
I
LED
= 8mA
LED CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
L
60
35
-15
10
7.85
7.90
7.95
8.00
8.05
8.10
8.15
8.20
7.80
-40
85
LED CURRENT vs. R
SET
M
R
SET
(k
)
L
100
10
10
1000
1
100
1
100% BRIGHTNESS
SETTING
OPERATING WAVEFORMS (1x)
MAX1574 toc07
V
IN
V
OUT
I
IN
20mV/div
AC-COUPLED
50mV/div
AC-COUPLED
0mA
50mA/div
400ns/div
OPERATING WAVEFORMS (2x)
MAX1574 toc08
V
IN
V
OUT
I
IN
20mV/div
AC-COUPLED
50mV/div
AC-COUPLED
0mA
400ns/div
50mA/div
STARTUP AND SHUTDOWN
MAX1574 toc09
I
IN
V
EN
V
OUT
100mA/div
0mA
0V
5V/div
2V/div
1ms/div
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1574EEE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1574ETB | 制造商:Maxim Integrated Products 功能描述:180MA, 1X/2X, WHITE LED CHARGE PUMP IN 3MM X - Rail/Tube |
| MAX1574ETB+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX1574ETB+T | 功能描述:LED照明驱动器 White LED 1x/2x Charge Pump RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX1574ETB-T | 功能描述:LED照明驱动器 White LED 1x/2x Charge Pump RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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