CXSU63233是一款紧凑、高效、同步升压转换器,内置功率mosfet,具有输出关断功能和可调输出电流限制,可折叠用于单电池锂离子/聚合物电池。CXSU63233仅使用70μA(典型值)静态电流,仅在空载和轻载需要时允许转换器切换,当负载高于100mA时,在1MHz下使用固定频率的PWM技术。它的特点是电流模式控制快速瞬态响应与内部补偿。该CXSU6323包括逐周期电流限制到最大电感电流和过温保护电路
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产品概述 返回TOP
产品特点 返回TOP
„ Up to 90% Efficiency at Iout=2A VOUT = 5V from 3.3V Input
„ Low 70μA Quiescent Current
„ Guaranteed 3A Output Current at VOUT = 5V from 3.3V Input
„ 1MHz PWM Switching Frequency
„ Synchronous and Embedded Power Mosfets; No Schottky Diode Required
„ Internal Soft-Start to Limit Inrush Current
„ Adjustable Output
„ Output turn off true shutdown function
„ Current Mode Operation with Internal Compensation for Excellent Line and Load Transient Response
„ Overload/Short-Circuit Protection with hiccup control
„ Shutdown Current<1μA
„ Thermal Shutdown
„ Compact 8 pin,SOP8 (FD) package
应用范围 返回TOP
iPad-like computers, smart phones and portable handheld devices.
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产品封装图 返回TOP
电路原理图 返回TOP
Step Up Controller |
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Part NO. |
Vin(V) min. |
Vin(V) max. |
FSW (kHz) |
FB(V) |
TON min(ns) |
TOFF min(ns) |
Note |
Package |
4.5 |
27 |
35~1000 |
0.7 |
400 |
200 |
SHDN,SS,OCP, COMP,UVLO |
MSOP-10(FD) |
|
4.5 |
27 |
35~1000 |
0.7 |
400 |
200 |
SHDN,SS, OCP, COMP,UVLO |
MSOP-10(FD) |
|
2.5 |
13.5 |
10~1000 |
0.5 |
-- |
-- |
SS,SCP,UVLO, Dutymax=85% |
TSSOP-8/SOP-8 |
|
2.2 |
6 |
20~1000 |
0.5 |
-- |
-- |
SS,SCP,UVLO, Dutymax=85% |
SOP-8/MSOP-8/TSSOP-8 |
|
Part NO. |
Vin(V) min. |
Vin(V) max. |
VOUT (max)(V) |
FSW (kHz) |
FB>(V) |
ISW (A) |
Note |
Package |
2.5 |
5.5 |
5.075 |
1000 |
1.227 |
6.5 |
LX, LX,VBAT, ILM0,ILM1,GND, FB,OC,VOUT, VOUT, Synchronous Boost |
SOP-8(FD) |
|
2.5 |
5.5 |
22 |
600/1200 |
1.24 |
4 |
COMP,FB,EN, GND*2,LX*2,IN, FREQ,SS |
TDFN3X3-10 |
|
2.5 |
5.5 |
24 |
600/1200 |
1.24 |
2 |
COMP,FB,EN, GND,SW,VCC, FSL,SS |
MSOP-8 |
|
2.5 |
5.5 |
28 |
600/1200 |
1.24 |
4.6 |
COMP,FB,EN, GND*2,LX*2,IN, FREQ,SS |
TDFN3X3-10 |
|
2.5 |
6 |
28 |
1000 |
1.23 |
0.6 |
IN-,SCP,VCC,BR, OUT,GND,OSC, FB |
SOT-23-5 |
|
2.7 |
5.5 |
33 |
1000 |
1.25 |
0.85 |
LX,GND,FB,EN,IN |
SOT-23-5 |
|
2.7 |
5.5 |
30 |
1000 |
1.25 |
0.85 |
LX,GND,FB,EN,IN |
SOT-23-5 |
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