CXLC8956是一种升压结构的集成电路,主要提供正、负电压输出驱动。CXLC8956是同步增压集成电路,还同步电荷泵输出驱动。CXLC8956电路应用简单,只提供输入电源、输出电源、正压和负压电容。这是一个既便宜又简单的方案
两个输出:
-+5V(CXLC8956A)
-+5.2伏(CXLC8956B)
·宽输入电压从2.5V到5.5V
·输出和输出之间负载为12mA时,效率大于82%
·同步整流用全集成mosfet
·集成补偿反馈电路
·I2C可调输出电压
·1uA关闭电源电流
·可编程有源放电
[ CXLC8956 ]
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7.相关产品
产品概述 返回TOP
产品特点 返回TOP
· Two Outputs:
-+5V (CXLC8956A)
-+5.2V (CXLC8956B)
· Wide Input Voltage from 2.5V to 5.5V
· >82% Efficiency with 12mA Load Between OUTP and OUTN
· Fully Integrated MOSFETs for Synchronous Rectification
· Integrated Compensation and Feedback Circuits
· I 2C Adjustable Output Voltages
· 1uA Shutdown Supply Current
· Programmable Active Discharge
· WLCSP1.92x1.28-15 Package
· Lead Free Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· Smart Phone
· Portable Device
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
PMIC > LCD Bias Converter |
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Part_No |
Package |
Topology |
Buffer for Vcom |
Switch Current Limit (A) |
Vin (V) |
Fmax Khz |
SYNC ASYNC |
PFM/PSM |
Vref (V) |
R-Top milohm |
Iq(No load) (uA) |
En pin |
POK |
Charge Pump Output |
|
min |
max |
||||||||||||||
TQFN3 x3-20 |
Boos tCharge pump |
Yes |
2 |
2.7 |
5.5 |
1500 |
ASYNC |
PSM/PWM |
1.25 |
500 |
300 |
Yes |
No |
Two set for VGH, VGL |
|
TQFN3 x3-20 |
Boos tCharge pump |
2 |
2.9 |
5.5 |
1000 |
ASYNC |
PSM/PWM |
1.25 |
Yes |
No |
Two set for VGH,VGL |
||||
TQFN5 x5-32 |
Boost Charge pump |
Yes |
1.8 |
3 |
5.5 |
1000 |
ASYNC |
PSM/PWM |
1.25 |
250 |
2000 |
Yes |
No |
Two set for VGH,VGL |
|
WLCSP1.92 x1.28-15 |
Boost Charge pum |
0.6 |
2.5 |
5.5 |
1800 |
SYNC |
PSM/PWM |
540 |
Yes |
No |
Two set for VGH,VGL |
|