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参数资料
| 型号： | MAX1570ETE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 16-TQFN |
| 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，降压（降压），升压（升压），切换式电容器（充电泵） |
| 输出数： | 5 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
White LED Current Regulator with 1x/1.5x
High-Efficiency Charge Pump
Typical Operating Characteristics (continued)
(EN1 = EN2 = IN, C IN = 1μF, C1 = C2 = 1μF, C OUT = 4.7μF, R SET = 9.09k ? , T A = +25°C, unless otherwise noted.)
LED CURRENT vs. TEMPERATURE
20
18
LED CURRENT vs. SUPPLY VOLTAGE
12.0
11.9
(V IN = 3.3V, R SET = 7.5k ? )
30
LED CURRENT vs. R SET
16
14
12
EN1 = EN2 = V IN
11.8
11.7
11.6
25
20
E N1
2=I
, EN2
GN D, E N
10
8
6
4
2
EN1 = V IN , EN2 = GND
EN1 = GND, EN2 = V IN
11.5
11.4
11.3
11.2
11.1
EN1 = IN
EN2 = GND
15
10
5
EN1
EN1 =
= IN
= EN
= GND
2 = IN
N
0
11.0
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-40
-15
10
35
60
85
5.0
7.5
10.0
12.5
15.0
SUPPLY VOLTAGE (V)
TYPICAL OPERATING WAVEFORM
TEMPERATURE ( ° C)
TYPICAL OPERATING WAVEFORM
R SET (k ? )
STARTUP RESPONSE (V IN = 3.3V)
IN 1X MODE
MAX1570 toc13
IN 1.5X MODE (I LOAD = 90mA, V IN = 3.6V)
MAX1570 toc14
(5 LEDs AT 15mA/LED)
MAX1570 toc15
I IN
I IN
I IN
AC-COUPLED
AC-COUPLED
10mA/div
50mA/div
10mA/div
V IN
V IN
AC-COUPLED
1mV/div
AC-COUPLED
20mV/div
2 μ s/div
V OUT
AC-COUPLED
1mV/div
DIMMING RESPONSE USING
400ns/div
V OUT
AC-COUPLED
5mV/div
400 μ s/div
V OUT
2V/div
PWM INTO EN1
100 μ s/div
MAX1570 toc16
I LED
15mA TO 5mA
5mA/div
V OUT
AC-COUPLED
500mV/div
EN1
0 TO 2V
2V/div
LINE-TRANSIENT RESPONSE
MAX1570 toc17
100 μ s/div
I LED
15mA
5mA/div
V OUT
AC-COUPLED
500mV/div
V IN
4 TO 3.6V
500mV/div
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1570ETE-TG075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1570EVKIT | 功能描述:LED 照明开发工具 Evaluation Kit for the MAX1570 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: |
| MAX1571ETM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1572ETC075 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1572ETC075+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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