The CXSD6134 is a high efficiency current-mode synchronous, 18V/2A buck converter. Its input voltage ranges from 4.5V to 18V and it provides an adjustable regulated output voltage from 0.923V to 15V
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目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品
一,产品概述(General Description)
The CXSD6134 is a high efficiency current-mode synchronous, 18V/2A buck converter.
Its input voltage ranges from 4.5V to 18V and it provides an adjustable regulated
output voltage from 0.923V to 15V while delivering up to 2A of output current.
The internal synchronous switches increase efficiency and eliminate the need for
an external Schottky diode. The switching frequency is set to 340KHz. And the
CXSD6134 will automatically switch between PFM and PWM mode based on the load
current, thus to enhance the converter efficiency at light load. CXSD6134 consists
of many protection block such as UVLO, input voltage over voltage protection
to stand much higher input voltage spike, thermal protection and output short
circuit protection.
The CXSD6134 is available in the SOP8 and ESOP8 (with exposed pad for heat
dissipation) package
二.产品特点(Features)
Adjustable Output Voltage, Vfb=0.923V
Maximum output current is 2A
Range of operation input voltage: Max 18V
Withstand input voltage spike >30V
Standby current: 1mA (typ.)
Operating current at zero load: 1.2mA (typ.)
Line regulation: 0.1%/V (typ.)
Load regulation: 10mV (typ.)
High efficiency, up to 95%
Environment Temperature: -20°C~85°C
三,应用范围 (Applications)
Set-top-box
Consumer Electronic Device for automobile
LCD Monitor and LCD TV
Portable DVD
ADSL Modem, WLAN router
Other 12V or double cell Li-ion battery
powered device
四.技术规格书下载（产品PDF）
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
五,产品封装图 (Package)
六.电路原理图
七,功能概述
Package Thermal Resistance (qjc)
|
Parameter |
Value |
|
|
Max Input Voltage |
30V |
|
|
Max Operating Junction Temperature(Tj) |
125°C |
|
|
Ambient Temperature(Ta) |
-20°C – 85°C |
|
|
Package Thermal Resistance (qjc) |
SOP-8L |
45°C / W |
|
ESOP-8L |
10°C / W |
|
|
Storage Temperature(Ts) |
-40°C - 150°C |
|
|
Lead Temperature & Time |
260°C, 10S |
|
|
ESD (HBM) |
>2000V |
|
八,相关芯片选择指南
|
降压型DC/DC转换器(DC/DC Step-down Converter) |
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|
Part No. |
Power switching |
MODE |
VIN |
VOUT |
IQ |
FOSC |
Eff. |
|
Built-in MOSFETSynchronous |
PWM/PFM |
Max 7V |
ADJ |
35μA |
1.5MHz |
96% |
|
|
Built-in MOSFETSynchronous |
PWM/PFM |
2.6~6V |
ADJ |
40μA |
1.5MHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.6~7V |
ADJ |
50μA |
1.5MHz |
97% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.5~6V |
ADJ |
40μA |
1.5MHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.5~5.5V |
ADJ |
50μA |
1.3MHz |
97% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.6~6V |
ADJ |
30μA |
3MHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
2.6~5.5V |
ADJ |
50μA |
1.4MHz |
97% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
3.5~16V |
ADJ |
0.4mA |
600KHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
3.5~16V |
ADJ |
0.4mA |
600KHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.2~18V |
ADJ |
0.8mA |
500KHz |
96% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.7~20V |
ADJ |
50μA |
500KHz |
95% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.7~20V |
ADJ |
50μA |
500KHz |
95% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.5~20V |
ADJ |
50μA |
410KHz |
95% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.5~18V |
ADJ |
80μA |
420KHz |
95% |
|
|
Built-in MOSFET |
PWM/PFM |
4~24V |
ADJ |
0.6mA |
1.4MHz |
90% |
|
|
Built-in MOSFET |
PWM/PFM |
4~38V |
ADJ |
0.6mA |
660KHz |
92% |
|
|
Built-in MOSFET |
PWM/PFM |
4~38V |
ADJ |
0.6mA |
660KHz |
92% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4~40V |
ADJ |
50μA |
2MHz |
93% |
|
|
Built-in MOSFET |
PWM/PFM |
4.2~40V |
ADJ |
200μA |
1.8MHz |
90% |
|
|
Built-in MOSFET Synchronous |
PWM/PFM |
4.5~24V |
ADJ |
50μA |
500KHz |
94% |
|
|
Built-in MOSFET Synchronous |
PWM |
5~20V |
0.923~15V ADJ |
60μA |
360KHz |
94% |
|
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