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参数资料
| 型号： | MAX1553ETA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/11页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 8-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 40V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
High-Efficiency, 40V Step-Up
Converters for 2 to 10 White LEDs
Typical Operating Characteristics
(MAX1553 driving six white LEDs, V CC = V EN = 3.6V, Circuit of Figure 1, T A = +25°C, unless otherwise noted.)
100
EFFICIENCY vs. LOAD CURRENT
DRIVING 6 WHITE LEDS
100
EFFICIENCY vs. LOAD CURRENT
DRIVING 6 WHITE LEDS
100
EFFICIENCY vs. LOAD CURRENT
DRIVING 6 WHITE LEDS
90
80
V CC = 4V
V CC = 5V
90
80
V CC = 4V
V CC = 5V
90
80
V CC = 4V
V CC = 5V
70
V CC = 3.6V
V CC = 3V
70
V CC = 3.6V
V CC = 3V
70
V CC = 3.6V
V CC = 3V
60
50
L1 = 22 μ H
NO CAPACITOR ACROSS LEDs
60
50
L1 = 33 μ H
4700pF ACROSS LEDs
60
50
L1 = 47 μ H
4700pF ACROSS LEDs
0
5
10
15
20
0
5
10
15
20
0
5
10
15
20
100
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
WITH MAX1554 DRIVING 9 WHITE LEDS
26
LOAD CURRENT (mA)
LED CURRENT
vs. INPUT VOLTAGE
26
LOAD CURRENT (mA)
LED CURRENT
vs. INPUT VOLTAGE
90
V CC = 4V
V CC = 5V
23
L1 = 22 μ H, NO CAPACITOR ACROSS LEDs
23
L1 = 22 μ H, NO CAPACITOR ACROSS LEDs
80
20
20
70
60
V CC = 3.6V
17
14
L1 = 47 μ H,
4700pF ACROSS LEDs
L1 = 33 μ H, 4700pF ACROSS LEDs
17
14
L1 = 47 μ H,
4700pF ACROSS LEDs
L1 = 33 μ H, 4700pF ACROSS LEDs
50
CIRCUIT OF FIGURE 3
11
R1 = 10 ? , V BRT = 1.25V
11
R1 = 14 ? , V BRT = 3.3V
0
5
10
15
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
26
23
20
17
LOAD CURRENT (mA)
LED CURRENT vs. INPUT VOLTAGE
WITH MAX1554 DRIVING 9 LEDS
35
30
25
20
15
INPUT VOLTAGE (V)
LED CURRENT
vs. BRT VOLTAGE
30
25
20
15
INPUT VOLTAGE (V)
LED CURRENT
vs. BRT DUTY CYCLE
10
10
14
11
CIRCUIT OF FIGURE 3
5
0
5
0
3.0
3.5
4.0
4.5
5.0
5.5
0
0.6
1.2
1.8
2.4
3.0
3.6
0
20
40
60
80
100
INPUT VOLTAGE (V)
BRT VOLTAGE (V)
BRT DUTY CYCLE (%)
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1553EVKIT | 功能描述:LED 照明开发工具 MAX1553 Evaluation Kit 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: |
| MAX1554ETA | 制造商:Maxim Integrated Products 功能描述:SMALLEST, HIGHEST-EFFICIENCY, 40V STEP-UP CON - Bulk 制造商:Rochester Electronics LLC 功能描述: |
| MAX1554ETA+ | 制造商:Maxim Integrated Products 功能描述:LED DRVR 10SEGMENT 3.15V TO 5.5V 8TDFN EP - Rail/Tube |
| MAX1554ETA+T | 功能描述:LED照明驱动器 40V StepUp Converter for 2-10 White LEDs 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 |
| MAX1554ETA+TG069 | 制造商:Maxim Integrated Products 功能描述:LED DRVR 10SEGMENT 3.15V TO 5.5V 8TDFN EP - Tape and Reel |
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