CXSU63237升压转换器是专为具有恒定电流的高偏压中小型LCD面板设计的，可提供PDA和其他手持设备。它的特点是快速1.0兆赫电流模式的PWM控制与内置的0.3ΩN-MOS，允许更小的电容和电感。故障状态保护采用逐周期电流限制，以检测最大电感电流和热保护
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产品概述 返回TOP
The CXSU63237 step-up converter is designed for small or medium size LCD panel of high bias voltage with a constant current to provide PDAs, and other hand-held devices. It features a fast 1.0 MHz current-mode PWM control with a built-in 0.3ΩN-MOS that allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current and thermal protection. Also included soft-start eliminates inrush current during start-up. The CXSU63237 is available in 5-pin SOT-23-5 packages
产品特点 返回TOP
Operating Voltage:2.5V to 6.0V.
High Operating Frequency: 1MHz
High Output Voltage: Up to 28V
Shutdown Current<1μA
Digital Dimming Control.
Built-in Cycle-by Cycle Current-Limiting.
Built-in Soft-Start Function.
±1.5% 1.23V Reference Voltage
Tiny SOT-23-5 Package
应用范围 返回TOP
STN/OLED Bias
Personal Digital Assistants(PDAs)
DSC
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产品封装图 返回TOP
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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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