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MAX1570ETE

更新时间： 2024-11-14 22:34:39
品牌 Logo 应用领域
美信 - MAXIM 调节器泵
页数 文件大小 规格书
11页 359K
描述
White LED Current Regulator with 1x/1.5x High-Efficiency Charge Pump

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中文翻译

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MAX1570ETE 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN,针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.03
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-XQCC-N16
JESD-609代码：e0长度：4 mm
湿度敏感等级：1功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：240
认证状态：Not Qualified座面最大高度：0.8 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
标称供电电压 (Vsup)：3.6 V表面贴装：YES
温度等级：OTHER端子面层：Tin/Lead (Sn85Pb15)
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：20
宽度：4 mmBase Number Matches：1

MAX1570ETE 数据手册

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19-2526; Rev 0; 7/02  
White LED Current Regulator with 1x/1.5x  
High-Efficiency Charge Pump  
General Description  
Features  
The MAX1570 fractional charge pump drives up to five  
white LEDs with regulated constant current for uniform  
intensity. The MAX1570 maintains the highest possible  
efficiency over the full 1-cell lithium-ion (Li+) battery  
input voltage range by utilizing a 1x/1.5x fractional  
charge pump and very-low-dropout current regulators.  
The MAX1570 operates with 1MHz fixed-frequency  
switching, allowing for tiny external components. The  
regulation scheme is optimized to ensure low EMI and  
low input ripple.  
ꢀ Excellent 0.3% LED-to-LED Current Matching  
ꢀ 30mA/LED Drive Capability  
ꢀ Proprietary 1x/1.5x Modes for Ultra-High  
Efficiency  
ꢀ Low Input Ripple and EMI  
ꢀ Eliminates Ballast Resistors  
ꢀ Digital or PWM LED Dimming Control  
ꢀ 0.1µA Shutdown Current  
An external resistor sets the full-scale LED current,  
while two digital inputs control on/off and select  
between three levels of brightness. A pulse-width mod-  
ulation (PWM) signal can also be used to modulate LED  
brightness.  
ꢀ 2.7V to 5.5V Supply Voltage Range  
ꢀ Soft-Start Limits Inrush Current  
ꢀ Thermal-Shutdown Protection  
The MAX1570 is available in 16-pin 4mm ✕ 4mm Thin  
QFN packaging (0.8mm max height).  
ꢀ No External Inductor, Schottky, or Zener Diode  
Required  
ꢀ Tiny 16-Pin 4mm ✕ 4mm Thin QFN Package  
Applications  
White LED Backlighting  
Cell Phones and Smart Phones  
PDA and Palmtop Computers  
Portable MP3 Players  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1570ETE  
-40°C to +85°C  
16 Thin QFN  
Digital Cameras and Camcorders  
Pin Configuration  
Typical Operating Circuit  
C2N OUT C2P IN  
16 15 14 13  
1µF  
1µF  
C1P  
C1N C2P  
C2N  
C1P  
EN2  
1
2
3
4
12 C1N  
11 PGND  
10 EN1  
2.7V TO 5.5V  
IN  
OUT  
1x/1.5x  
REGULATING CHARGE PUMP  
4.7µF  
MAX1570  
GND  
LED5  
1µF  
9
SET  
MAX1570  
LED1  
LED2  
LED3  
LED4  
LED5  
EN1  
5
6
7
8
ON/OFF  
REFERENCE  
EN2  
SET  
AND  
LOW-DROPOUT  
AND  
LED3 LED2 LED1  
LED4  
DIMMING  
CURRENT  
CONTROL  
REGULATORS  
THIN QFN  
R
SET  
(4mm x 4mm)  
GND  
PGND  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
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中文翻译

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MAX1570ETE 替代型号

型号 品牌 替代类型 描述 数据表
MAX1570ETE-T MAXIM

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