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XC6385C351MR

更新时间: 2024-11-11 15:58:19
品牌 Logo 应用领域
特瑞仕 - TOREX /
页数 文件大小 规格书
1页 67K
描述
Switching Regulator/Controller

XC6385C351MR 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:,Reach Compliance Code:unknown
风险等级:5.84湿度敏感等级:1
Base Number Matches:1

XC6385C351MR 数据手册

  
4. DC/DC Converters __________________________________________________________________________________  
XC6385 SeriesPFM (Frequency) Controlled, Step-up DC/DC Converter IC  
DETAILS  
General Description  
Features  
The XC6385 series is a group of PFM (frequency) controlled  
step-up DC/DC converters. The XC6385 series employs  
CMOS process and laser trimming technologies to attain low  
power and high accuracy.  
Low noise  
Operating voltage range: 0.9V - 10V  
Output voltage range: 2.0V - 7.0V  
(programmable in 0.1V steps)  
A common problem among pagers is one of noise, but with  
the XC6385, high frequency noise that occurs during switch-  
ing is reduced.  
Output Voltage Accuracy: ± 2.5%  
Maximum oscillator frequency: 100kHz ( ± 15% )  
Built-in switching transistor  
Output voltage is programmable in 0.1V steps between 2.0V -  
7.0V and maximum frequency is 100 kHz (typ.)  
With a built-in switching transistor, a step-up circuit can be  
configured using a coil, diode and capacitor connected exter-  
nally.  
CE function and/or separated VDD/VOUT types selectable with 5 pin  
packages  
Small package: SOT-23/25 mini-mold (3 pin, 5 pin)  
SOT-89/89-5 mini-power mold (3 pin, 5 pin)  
Also available is a CE (chip enable) function that reduces  
power consumption during shut-down mode, and an inde-  
pendent VDD pin function ( separated power supply and volt-  
age detect pins ) for fly-back circuits.  
SOT-89-5 and SOT-23/25 small packages.  
Pin Configuration  
Pin Assignment  
5
4
(1) XC6385A  
3
5
4
PIN NUMBER  
PIN  
FUNCTION  
SOT-89  
SOT-89-5  
(TOP VIEW)  
NAME  
SOT-23  
(TOP VIEW)  
SOT-25  
(TOP VIEW)  
SOT-23  
SOT-89  
1
(TOP VIEW)  
1
3
2
VSS  
VOUT  
LX  
Ground  
Output voltage monitor/  
IC internal power supply  
Switch  
2
3
1
2
1
2
3
1
2
3
1
2
3
Pin Assignment  
(2) XC6385C  
PIN NUMBER  
(3) XC6385E  
SOT-25  
PIN NUMBER  
PIN  
PIN  
FUNCTION  
Ground  
FUNCTION  
NAME  
NAME  
SOT-25  
4
SOT-89-5  
5
SOT-89-5  
VSS  
4
2
5
1
3
5
2
4
3
1
VSS  
VDD  
LX  
VOUT  
NC  
Ground  
IC internal power supply  
Switch  
Output voltage monitor  
No connection  
Output voltage monitor/  
IC internal power supply  
Switch  
2
2
VOUT  
5
1
3
4
3
1
LX  
CE  
NC  
Chip enable  
No connection  
Block Diagram  
(1) XC6385A, XC6385C ( VOUT pin also serves as VDD)  
(2) XC6385E  
VDD  
VDD  
VDD  
LX  
VLX limiter  
Vref  
LX  
VOUT  
VLX limiter  
Vref  
VOUT  
Buffer  
Buffer  
+
-
PFM Control OSC  
100kHz  
VSS  
+
PFM Control OSC  
100kHz  
VSS  
-
Chip Enable  
CE  
Note : The VDD pin is set up for XC6385E  
Note : The CE pin is set up for XC6385C  
Selection Guide  
START  
3-pin  
Built-inTransistor  
XC6385A  
XC6385C  
XC6385E  
Chip Enable  
Built-inTransistor  
Separated "VDD" and "VOUT" leads  
Built-inTransistor  
44  

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