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参数资料
| 型号： | MAX1553ETA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/11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
ABSOLUTE MAXIMUM RATINGS
V CC , FB, OV to GND..............................................-0.3V to +6.0V
LX to GND ..............................................................-0.3V to +45V
EN, BRT, SS to GND...................................-0.3V to (V CC + 0.3V)
I LX ...................................................................................0.9A RMS
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
Continuous Power Dissipation (T A = +70°C)
8-Pin 3mm x 3mm TDFN
(derate 24.4mW/°C above +70°C) .............................1951mW
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.
ELECTRICAL CHARACTERISTICS
(V CC = 3.3V, V OV = 0V, C OUT = 1μF, R SENSE = 10 ? , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
Supply Voltage
Undervoltage Lockout Threshold
Quiescent Current
CONDITIONS
MAX1553
MAX1554
V CC rising or falling, 35mV hysteresis typical
Not switching
Switching
MIN
2.7
3.15
2.35
TYP
2.5
0.33
0.44
MAX
5.5
5.50
2.65
0.65
0.9
UNITS
V
V
mA
Shutdown Supply Current
OV Threshold
OV Input Bias Current
V EN = 0V
Rising edge
V OV = 1V
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
1.18
0.1
1
1.25
1
10
1
1.33
200
μA
V
nA
BRT Input Resistance
0 < V BRT < 1.5V, EN = V CC
200
400
600
k ?
TIMING CONTROL
Maximum On-Time
On-Time Constant (K)
Minimum Off-Time
V CC = 3.3V
t ON = K / V CC
2.0
150
3.4
6.3
250
4.8
350
μs
μs-V
ns
ERROR AMPLIFIER
FB Threshold
FB Input Bias Current
V BRT = 1.25V
V BRT = 3.3V
V FB = 1.0V
T A = +25°C
T A = +85°C
192
203
280
15
100
212
200
mV
nA
N-CHANNEL SWITCH
LX On-Resistance
0.8
1.4
?
2
_______________________________________________________________________________________
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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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