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参数资料
| 型号： | MAX1574ETB |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 显示驱动器 |
| 英文描述： | 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN |
| 中文描述： | LED DISPLAY DRIVER, DSO10 |
| 封装： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEED-3, TDFN-10 |
| 文件页数： | 3/9页 |
| 文件大小： | 214K |
| 代理商： | MAX1574ETB |
M
180mA, 1x/2x, White LED Charge Pump
in 3mm x 3mm TDFN
_______________________________________________________________________________________
3
Note 1:
Limits are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2:
LED current matching is defined as: (I
LED
- I
AVG
) / I
AVG
Note 3:
Dropout voltage is defined as the LED_-to-GND voltage at which current into LED_ drops 10% from the value at V
LED_
= 0.2V.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 3.6V, V
GND
= 0V, EN = IN, R
SET
= 13.7k
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Note 1)
PARAMETER
CONDITIONS
MIN
TYP
0.01
0.1
2
MAX
1
UNITS
EN = GND or 5.5V, T
A
= +25°C
EN = GND or 5.5V, T
A
= +85°C
EN Input Current
μA
EN Low Shutdown Delay
EN t
LO
(Figure 1)
EN t
HI
(Figure 1)
Initial EN t
HI
(Figure 1)
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
1.0
0.5
0.5
50
3.3
500
ms
μs
μs
μs
°C
°C
Only required for first EN_ pulse
+160
20
Typical Operating Characteristics
(Circuit of Figure 2, V
IN
= 3.6V, EN = IN, driving three white LEDs, T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
3.9
3.6
3.3
3.0
10
20
30
40
50
60
70
80
90
100
0
2.7
4.2
I
LED
= 2mA
I
LED
= 8mA
I
LED
= 20mA
I
LED
= 40mA
V
IN
FALLING
INPUT CURRENT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
I
3.9
3.6
3.3
3.0
50
100
150
200
250
300
0
2.7
4.2
V
IN
FALLING
I
LED
= 40mA
I
LED
= 20mA
I
LED
= 8mA
I
LED
= 2mA
INPUT RIPPLE vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
I
P
)
5.0
4.5
4.0
3.5
3.0
5
10
15
20
25
0
2.5
5.5
60mA/LED
20mA/LED
8mA/LED
2mA/LED
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX1574EVKIT | 功能描述:LED 照明开发工具 Evaluation Kit for the MAX1574 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX1575ETE | 功能描述:LED照明驱动器 White LED 1x/1.5x 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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