XC6405FYA8PR-G PDF预览

XC6405FYA8PR-G

更新时间: 2025-09-15 18:21:31
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特瑞仕 - TOREX 稳压器
页数 文件大小 规格书
54页 555K
描述
XC6405系列是内置电压检测器的具有高精度,低噪声,低电压差的正电压输出电压稳压器。该系列采用Torex的CMOS工艺技术,具有高电源抑制比和低压差的特点。内部由基准电压电路,误差放大电路,限流

XC6405FYA8PR-G 数据手册

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XC6405 Series  
High Current, High Speed LDO Regulators, Voltage Detector Function  
October 2, 2003 V6  
Low Power Consumption  
Dropout Voltage  
APPLICATIONS  
: 90 µA (TYP.)  
: 200mV @ 100mA  
: 400mV @ 200mA  
CD-ROM, CD-R/RW drive  
DVD drive  
Maximum Output Current  
Highly Accurate  
: more than 500mA (600mA limit) HDD drive  
Cameras, Video recorders  
Portable AV equipment  
(2.5V<VROUT<4.9V)  
: ± 2%  
Battery powered equipment  
VR Setting Output Voltage Range : 0.9V ~ 5.1V  
Detect Voltage Setting Range  
: 0.9V ~ 5.5V (VIN : >2.0V)  
Low ESR capacitor compatible  
GENERAL DESCRIPTION  
FEATURES  
The XC6405 series are precise, low noise, high speed, high current,  
positive voltage low dropout regulators with built-in voltage detector.  
They are fabricated using Torex’s CMOS process. Performance features  
of the series includes high ripple rejection and low dropout voltage, and  
the series features a voltage reference, an error amplifier, a current  
limiter and a phase compensation circuit plus a driver transistor.  
Detect voltage is selectable in 100mV increments within the range of  
0.9V to 5.5V and the LDO output voltage is selectable within a range of  
0.9V to 5.1V, also in 100mV increments.  
The series is also compatible with low ESR ceramic capacitors which  
give added output stability. This stability can be maintained even during  
load fluctuations due to the excellent transient response of the series.  
The current limiter's foldback circuit also operates as a short circuit  
protection for the output current limiter and the output pin.  
The series provides options to the user to select from a variety of circuit  
features, such as detector monitoring, detector output logic, CE and EN  
pin input logic, internal pull-up / down resistance, and power ready.  
The IC's internal regulator circuit can be placed in stand-by mode via the  
EN function (XC6405 A to C series). The whole IC can be put in to  
stand-by mode via the CE function with the XC6405D series (semi-  
custom). In the stand-by mode, power consumption is greatly reduced.  
The XC6405 A and B series features the toggle operation function. The  
regulator output can be OFF when the XC6405B series detects voltage  
(semi-custom).  
Maximum Output Current  
more than 500mA  
(600mA limit)  
(2.5V<VROUT<4.9V)  
200mV (IROUT=100mA)  
2.0V ~ 6.0V  
Dropout Voltage  
Operating Voltage Range  
VR Setting Output Voltage Range  
0.9V ~ 5.1V  
(100mV step, ± 2%)  
0.9V ~ 5.5V  
Detect Voltage Setting Range  
(100mV step, ± 2%)  
more than 2.0V  
±100ppm/OC (TYP.)  
90µA (TYP.)  
When monitoring VIN  
VR.VD Temperature Coefficient  
Low Power Consumption  
High Ripple Rejection  
65dB (@10kHz)  
SOT-25 (SOT-23-5)  
SOT-89-5  
Ultra Small Packages  
Operating Temperature Range  
Low ESR Capacitor Compatible  
- 40 ~ 85OC  
The XC6405E series can monitor another power source by using the  
VSEN pin (semi-custom).  
The XC6405F series can delay the detector output: the delay time can be  
controlled by the use of an external capacitor (semi-custom).  
TYPICAL APPLICATION CIRCUITS  
Rpull-up  
200K  
Rpull-up  
200K  
Rpull-up  
200K  
VIN  
EN/CE  
5
4
5
VIN  
5
4
VIN  
1
2
1
2
1
CIN  
1uF  
Cd  
CIN  
1uF  
CIN  
1uF  
VSEN  
2
VSS  
VSS  
VSS  
VROUT  
VDOUT  
VROUT  
VROUT  
VROUT  
VROUT  
VDOUT  
VROUT  
VDOUT  
3
3
3
4
VDOUT  
CL  
CL  
Cd  
XC6405A ~ D Series  
XC6405E Series  
XC6405F Series  
Semiconductor Ltd.  
Data Sheet  
1

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