目录
产品概述 返回TOP0i4嘉泰姆
The CXSD62234 is a high efficiency monolithic synchronous
buck regulator using a constant frequency, current mode
architecture. The device is available in an adjustable
version and fixed output voltages of 1.5V and 1.8V.
Supply current during operation is only 20mA and drops
to ≤1mA in shutdown. The 2.5V to 5.5V input voltage
range makes the CXSD62234 ideally suited for single Li-Ion
battery-powered applications. 100% duty cycle provides
low dropout operation, extending battery life in portable
systems.Automatic Burst Mode operation increases
efficiency at light loads, further extending battery life.
Switching frequency is internally set at 1.5MHz, allowing
the use of small surface mount inductors and capacitors.
The internal synchronous switch increases efficiency and
eliminates the need for an external Schottky diode. Low
output voltages are easily supported with the 0.6V
feedback reference voltage. The CXSD62234 is available in a
low profile (1mm) TSOT23-5 package.
产品特点 返回TOP0i4嘉泰姆
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* High Efficiency: Up to 96%0i4嘉泰姆
* High Efficiency at light loads0i4嘉泰姆
* Very Low Quiescent Current: Only 20uA During Operation0i4嘉泰姆
* 800mA Output Current0i4嘉泰姆
* 2.5V to 5.5V Input Voltage Range0i4嘉泰姆
* 1.5MHz Constant Frequency Operation0i4嘉泰姆
* No Schottky Diode Required0i4嘉泰姆
* Low Dropout Operation: 100% Duty Cycle0i4嘉泰姆
* 0.6V Reference Allows Low Output Voltages0i4嘉泰姆
* Shutdown Mode Draws ≤1uA Supply Current0i4嘉泰姆
* Current Mode Operation for Excellent Line and Load Transient Response0i4嘉泰姆
* Overtemperature Protected0i4嘉泰姆
* Low Profile (1mm) TSOT23-5 Package0i4嘉泰姆
应用范围 返回TOP0i4嘉泰姆
* Cellular Telephones0i4嘉泰姆
* Personal Information Appliances0i4嘉泰姆
* Wireless and DSL Modems0i4嘉泰姆
* Digital Still Cameras0i4嘉泰姆
* MP3 Players0i4嘉泰姆
* Portable Instruments0i4嘉泰姆
技术规格书（产品PDF) 返回TOP 0i4嘉泰姆
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产品封装图 返回TOP0i4嘉泰姆
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电路原理图 返回TOP0i4嘉泰姆
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PWM Buck Converter（synchronous)0i4嘉泰姆 |
Part No.0i4嘉泰姆 | Input0i4嘉泰姆 | Output Voltage0i4嘉泰姆 | Current0i4嘉泰姆 | Frequency0i4嘉泰姆 | Efficiency0i4嘉泰姆 | Package0i4嘉泰姆 | Precision0i4嘉泰姆 | OCP0i4嘉泰姆 | OTP0i4嘉泰姆 | SP0i4嘉泰姆 |
Voltage0i4嘉泰姆 | MAX0i4嘉泰姆 |
CXSD622250i4嘉泰姆 | 40V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 600mA0i4嘉泰姆 | 1/2MHZ0i4嘉泰姆 | 85%0i4嘉泰姆 | SOT23-60i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62226A0i4嘉泰姆 | 23V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP80i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62227A0i4嘉泰姆 | 23V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2.2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62228A0i4嘉泰姆 | 23V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 3.2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62228B0i4嘉泰姆 | 23V0i4嘉泰姆 | ADJ(PSM)0i4嘉泰姆 | 3.2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622290i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62229A0i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2A0i4嘉泰姆 | 600KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622300i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 1.6A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP80i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622310i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2.2A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62231A0i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2.2A0i4嘉泰姆 | 600KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62231B0i4嘉泰姆 | 22V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 3A0i4嘉泰姆 | 600KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622320i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 2.2A0i4嘉泰姆 | 200KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622330i4嘉泰姆 | 32V0i4嘉泰姆 | ADJ0i4嘉泰姆 | 3A0i4嘉泰姆 | 340KHZ0i4嘉泰姆 | 93%0i4嘉泰姆 | SOP8-PP0i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622340i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 800mA0i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOT23-50i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622350i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 1.2A0i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOT23-50i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD62235B0i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 1.2A0i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOT23-50i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622360i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 1.2A0i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOT23-50i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622370i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 2A0i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOT23-50i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
CXSD622380i4嘉泰姆 | 5.5V0i4嘉泰姆 | 1.2/.15/1.8/ADJ0i4嘉泰姆 | 1.5A*20i4嘉泰姆 | 1.5MHZ0i4嘉泰姆 | 96%0i4嘉泰姆 | SOP80i4嘉泰姆 | 2%0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 | Y0i4嘉泰姆 |
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