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English1.6MHz恒定开关频率恒频电流模式同步降压开关稳压器600毫安输出电流CXSD62329输入电压2.5V至5.5V 100%占空比
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7.相关产品
产品概述 返回TOP
The CXSD62329 is a 1.6MHz, constant frequency, current mode, synchronous, step-down switching regulator. It can deliver 600mA load current from 2.5V to 5.5V input voltage, and output voltage can be as low as 0.6V.
High switching frequency minimizes the sizes of inductor and capacitor. Integrated power MOSFETs and internal compensation make the CXSD62329 simple to use and fit the total solution in a compact space.
The CXSD62329 can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. The synchronous architecture eliminates the external Schottky diode, and achieves over 90% of the power conversion efficiency. Low output ripple voltage at light load, 30μA quiescent current and less than 1μA of shutdown current make CXSD62329 the ideal power supply solution for portable applications.
CXSD62329 is available in both adjustable and fixed (1.2V, 1.8V, 3.3V) output voltage versions. It is in the Green TSOT-23-5 package. It is rated over the -40℃ to +85℃ temperature range.
产品特点 返回TOP
• High Efficiency: Up to 95%
• 30μA Low Quiescent Current at Light Load
• 600mA Output Current
• Input Voltage Range: 2.5V to 5.5V
• 1.2V, 1.8V & 3.3V Fixed & Adjustable Output Voltages
• 0.6V Reference Voltage
• 1.6MHz Constant Switching Frequency
• Less than 1μA Shutdown Current
• 100% Duty Cycle for Lowest Dropout
• No External Power MOSFETs and Schottky Diode Required
• Excellent Line Regulation & Load Transient Response
• -40℃ to +85℃ Operating Temperature Range
• Available in Green TSOT-23-5 Package
应用范围 返回TOP
GPS
MP3 Players
Cellular, Smart Phones
Digital Book Readers
Digital Still Cameras
Portable Instruments
Wireless and DSL Modems
Battery Powered Equipments
Microprocessor, DSP Power Supplies
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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同步整流降压转换器 |
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Product |
CH |
Enable |
VCC (Min)V |
VCC (Max)V |
VOUT(V) |
IOUT(mA) |
Frequency (kHz) |
Iq (mA) |
SHDN Iq(μA) |
Package |
|
1 |
L |
3 |
5.5 |
adj |
3000 |
adj(300 to 2000) |
0.41 |
2 |
TDFN-3x3-10L |
|
|
1 |
H |
2.5 |
5.5 |
3.3/adj |
2000 |
1400 |
0.3 |
2 |
TDFN-3x3-10L |
|
|
1 |
H |
2.5 |
5.5 |
1.2/1.8/3.3/adj |
800 |
1600 |
0.03 |
1 |
TSOT-23-5 |
|
|
1 |
H |
2.5 |
5.5 |
1.2/1.8/3.3/adj |
800 |
1600 |
0.03 |
1 |
TSOT-23-5 TDFN-2x2-6L |
|
|
1 |
H |
2.5 |
5.5 |
1.2/1.8/3.3/adj |
2000 |
1400 |
0.055 |
2 |
TDFN-3x3-10L |
|
|
1 |
H |
2.7 |
5.5 |
adj |
1200 |
1600 |
0.03 |
1 |
TDFN-3x3-10L |
|
|
1 |
H |
2.7 |
5.5 |
adj |
1200 |
1600 |
0.03 |
1 |
TDFN-2x3-8L |
|
|
1 |
H |
2.5 |
5.5 |
adj |
600 |
6000 |
0.022 |
1 |
TDFN-2x2-6L |
|
|
1 |
H |
2.5 |
5.5 |
0.6/0.8/1.0/1.1/1.15 /1.2/1.5/1.6/1.8/2.5/ 2.8/3.0/3.3 |
600 |
6000 |
0.022 |
1 |
TDFN-2x2-6L WLCSP-1.21x0.81-6B |
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非同步降压转换器 |
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|
Product |
CH |
Enable |
VCC (Min)V |
VCC MAX(V) |
VOUT(V) |
IOUT(mA) |
Frequency (kHz) |
Iq (mA) |
SHDN Iq(μA) |
Package |
|
1 |
H |
4.5 |
28.5 |
adj |
3000 |
385 |
0.8 |
18 |
SOIC-8(EP) |
|
|
1 |
H |
4.5 |
28.5 |
adj |
3000 |
1400 |
0.8 |
18 |
SOIC-8(EP) |
|
|
1 |
H |
4.5 |
38 |
adj |
2000 |
385 |
0.8 |
18 |
SOIC-8(EP) |
|
|
1 |
H |
4.5 |
38 |
adj |
2000 |
1400 |
0.8 |
18 |
SOIC-8(EP) |
|
|
1 |
H |
4.5 |
18 |
adj |
3000 |
1400 |
0.8 |
18 |
SOIC-8(EP) |
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