CXSU63141是同步整流器、固定开关频率(典型为1MHz)和电流模式升压调节器。该设备允许使用小型电感和便携式设备的输出电容器。电流模式控制方案提供快速的瞬态响应和良好的输出电压精度在轻负载时,CXSU63141将自动进入脉冲频率调制(PFM)操作,以减少主开关损耗。
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产品概述 返回TOP
产品特点 返回TOP
· Wide 0.8V to VOUT Input Voltage Range
· Low 1.05V (typical) Start-Up Voltage
· Low 40mA No Load Bias Current
· 100mA Output from a Single AA Cell Input
· 250mA Output from a Dual AA Cell Input
· Internal Synchronous Rectifier
· Up to 92% Efficiency
·<1mA Quiescent Current during Shutdown
· Current-Mode Operation with Internal Compensation
- Stable with Ceramic Output Capacitors
- Fast Line Transient Response
· Fixed 1MHz Oscillator Frequency
· 1.2A Current-Limit Protection
· Built-In Soft-Start
· Over-Temperature Protection with Hysteresis
· Available in a 2mmx2mm TDFN2x2-8 and TSOT- 23-6A Packages
· Halogen and Lead Free Available (RoHS Compliant)
应用范围 返回TOP
· Cell Phone and Smart Phone
· PDA, PMP, and MP3
· Digital Camera
· Boost Regulator
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
Switching Regulator > Boost Converter |
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Part_No |
Package |
Archi-tecture |
Input Voltage |
Max Adj. Output Voltage |
Switch Current Limit (max) |
Fixed Output Voltage |
Switching Frequency |
Internal Power Switch |
Sync. Rectifier |
||
min |
max |
min |
max |
(A) |
(V) |
(kHz) |
|||||
SOT89 |
VM |
0.9 |
5.5 |
2.5 |
5.5 |
0.5 |
1.8|2.6|2.8|3 |3.3|3.8|4.5|5 |
- |
No |
Yes |
|
MSOP8|TSSOP8 |SOP8 |
VM |
2.5 |
5.5 |
2.5 |
- |
- |
- |
200 ~ 1000 |
No |
No |
|
TSSOP8|SOP-8P |
VM |
1 |
5.5 |
2.5 |
5 |
1 |
2.5|3.3 |
300 |
Yes |
Yes |
|
SOP8 |
CM |
3 |
40 |
1.25 |
40 |
1.5 |
- |
33 ~ 100 |
Yes |
No |
|
TQFN5x5-32 |
CM |
2.5 |
6.5 |
2.5 |
18 |
3 |
No |
1200 |
Yes |
No |
|
TSOT23-5 TDFN2x2-6 |
CM |
2.5 |
6 |
2.5 |
20 |
2 |
- |
1500 |
Yes |
No |
|
TQFN4x4-6 TDFN3x3-12 |
CM |
1.8 |
5.5 |
2.7 |
5.5 |
5 |
- |
1.2 |
Yes |
Yes |
|
SOT23-5 |
CM |
2.5 |
6 |
2.5 |
32 |
1 |
- |
1000 |
Yes |
No |
|
TSOT-23-6 TDFN2x2-8 |
CM |
1.2 |
5.5 |
1.8 |
5.5 |
1.2 |
- |
1.2 |
Yes |
Yes |