XC9503B092DR PDF预览

XC9503B092DR

更新时间: 2025-07-17 19:59:47
品牌 Logo 应用领域
特瑞仕 - TOREX /
页数 文件大小 规格书
32页 1156K
描述
Switching Regulator/Controller

XC9503B092DR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:,Reach Compliance Code:compliant
风险等级:5.77湿度敏感等级:1
Base Number Matches:1

XC9503B092DR 数据手册

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XC9503Series  
ETR0703_001  
2ch.Step-Down DC/DC Controller ICs  
GreenOperation-Compatible  
GENERAL DESCRIPTION  
XC9503 series are PWM controlled, PWM/PFM automatic switching controlled, multi-functional, 2 channel step-down DC/DC  
controller ICs. Since the series has a built-in 0.9V reference voltage (accuracy ±2%), 0.9V to 6.0V can be set using external  
components.  
With a 300kHz frequency, the size of the external components can be reduced. Switching frequencies of 180kHz & 500kHz  
are also available as custom-designed products.  
The control of the XC9503 series can be switched between PWM control and PWM/PFM automatic switching control using  
external signals. Control switches from PWM to PFM during light loads when automatic switching is selected and the series is  
highly efficient from light loads through to large output currents. Noise is easily reduced with PWM control since the frequency  
is fixed. The series gives freedom to select control suited to the application.  
Soft-start time is internally set to 10msec and offers protection against in-rush currents when the power is switched on and  
also protects against voltage overshoot.  
FEATURES  
2 ch DC/DC Controller (Step-Down & Down)  
APPLICATIONS  
PDAs  
Input Voltage Range  
Power Supply Voltage Range : 2.0V ~ 10V  
Output Voltage Range  
Oscillation Frequency  
: 2.0V ~ 10V  
Palmtop computers  
Digital cameras  
: 0.9V ~ 6.0V (set by FB pins)  
: 300kHz (±15%)  
Various multi function power supplies  
(180kHz, 500kHz custom)  
: 100%  
: PWM or PWM/PFM Selectable  
: More than 1000mA  
(VIN=5.0V, VOUT=3.3V)  
: 92% (TPY.)  
: 3.0μA (MAX.)  
: 10 ms (internally set)  
: MSOP-10, USP-10  
Maximum Duty Cycle  
Control Method:  
Output Current  
High Efficiency  
Stand-By Function  
Soft-Start Time  
Package  
TYPICAL APPLICATION CIRCUIT  
TYPICAL PERFORMANCE  
CHARACTERISTICS  
Efficiency vs. Output Current  
<XC9503B093A VOUT: 3.3V, VOUT: 1.8V >  
1/32  

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