CXLE8164是1.5MHz高效单片同步降压稳压器。采用电流模式设计，CXLE8164具有陶瓷输出电容稳定。从3V到5.5V的输入电压使CXLE8164非常适合单锂离子电池供电的应用。100%占空比提供低漏失操作，延长便携式电气设备的电池寿命。内部固定的1.5MHz工作频率允许使用小型表面贴装电感和电容器。内部的同步开关提高了效率，消除了外部肖特基二极管的需要
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[ CXLE8164 ]"
目录
7.相关产品
产品概述 返回TOP
CXLE8164 is a 1.5MHz high efficiency monolithic synchronous buck regulator. Design with current mode scheme, the CXLE8164 is stable with ceramic output capacitor. Input voltage from 3V to 5.5V makes the CXLE8164 ideally suited for single Li-Ion battery powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable electrical devices. The internally fixed 1.5MHz operating frequency allows the using of small surface mount inductors and capacitors. The synchronous switches included inside increase the efficiency and eliminate the need of an external Schottky diode. The CXLE8164 is available in SOT-23-5/TSOT-23-5A packages
产品特点 返回TOP
· 1.5A Output Peak Current
· Wide 3V~5.5V Input Voltage
· Fixed 1.5MHz Switching Frequency
· Low Dropout Operating at 100% Duty Cycle
· 30mA Quiescent Current
· Integrate Synchronous Rectifier
· 0.6V Reference Voltage
· Current-Mode Operation with Internal Compensation
- Stable with Ceramic Output Capacitors
- Fast Line Transient Response
· Short-Circuit Protection
· Over-Temperature Protection with Hysteresis
· Available in SOT-23-5/TSOT-23-5A Packages
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· HD STB
· BT Mouse
· PND Instrument
· Portable Instrument
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Lighting and Display Product > White LED Driver |
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Part_No |
Topology |
Archi tecture |
Input Voltage (V) |
Adj. Output Voltage V |
No. of LEDs |
LED Current (Max) (A) |
Switch Current Limit (A) |
Current Sense Voltage (typ)(V) |
Switching Frequency (kHz) |
Dimming Control |
Package |
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|
min |
max |
max |
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Boost |
CM |
2.7 |
6 |
32 |
8 |
0.03 |
0.9 |
0.25 |
1000 |
Analog |
SOT23-6 |
|
|
Boost |
VM |
2.5 |
6 |
19 |
4 |
0.03 |
0.4 |
0.25 |
1000 |
Analog PWM |
SOT23-6 |
|
|
Boost |
CM |
2.7 |
21 |
30 |
8 |
0.6 |
3.5 |
0.5 |
1200 |
Analog |
DFN3x3-10 |
|
|
Charge Pump |
- |
2.8 |
4.5 |
- |
4 |
0.03 |
- |
- |
1000 |
Analog PWM Digital |
QFN4x4-16 |
|
|
Charge Pump |
- |
2.8 |
4.5 |
- |
6 |
0.03 |
- |
- |
1000 |
Analog PWM Digital |
QFN4x4-16 |
|
|
Charge Pump |
- |
2.8 |
4.5 |
- |
4 |
0.03 |
- |
- |
1000 |
Analog PWM Digital |
QFN3x3-16 |
|
|
Boost |
CM |
2.5 |
6 |
24 |
6 |
0.03 |
1.2 |
0.1 |
1000 |
Analog PWM |
SOT23-6 |
|
|
Boost |
CM |
2.5 |
6 |
39 |
10 |
0.03 |
0.9 |
0.3 |
1000 |
Analog PWM |
SOT23-6 |
|
|
Boost |
CM |
2.5 |
6 |
24 |
6 |
0.03 |
1.2 |
0.2 |
1000 |
Analog PWM |
SOT23-6 |
|
|
Boost |
CM |
2.5 |
6 |
40 |
10 |
0.03 |
1.5 |
0.2 |
600 |
Analog PWM |
TDFN2x2-6 |
|
|
Boost |
CM |
2.5 |
6 |
24 |
6 |
0.03 |
2 |
0.2 |
1500 |
Analog PWM |
SOT23-6 |
|
|
Buck |
CM |
3 |
5.5 |
- |
SOT23-5 |
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|
Boost |
CM |
6 |
24 |
65 |
17 |
0.18per string |
3.3 |
0.5 |
200 ~ 900 |
External PWM Dimming/I2C |
TDFN5x5-16 |
|
|
Boost |
CM |
2.7 |
6 |
40 |
10 |
0.03 |
1.5 |
0.2 |
600 |
Analog PWM |
TDFN2x2-6 |
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