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XC9503

Features: Input Voltage Range : 2.0V ~ 10VPower Supply Voltage Range : 2.0V ~ 10VOutput Voltage Range : 0.9V ~ 6.0VOscillation Frequency : 300kHz ±15% (180kHz, 500kHz custom) Output CurrentStand-By Function : 3.0A (MAX.)Package: MSOP-10Soft-Start Time : 10 ms (internally set) : more than 1000mA (V...

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XC9503: Features: Input Voltage Range : 2.0V ~ 10VPower Supply Voltage Range : 2.0V ~ 10VOutput Voltage Range : 0.9V ~ 6.0VOscillation Frequency : 300kHz ±15% (180kHz, 500kHz custom) Output CurrentStand-By ...

XC9503 Data Sheet

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Part Number:
XC9503
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Input Voltage Range              : 2.0V ~ 10V
Power Supply Voltage Range : 2.0V ~ 10V
Output Voltage Range            : 0.9V ~ 6.0V
Oscillation Frequency              : 300kHz ±15%
                                                (180kHz, 500kHz custom)
                                                Output Current
Stand-By Function                    : 3.0A (MAX.)
Package                                   : MSOP-10
Soft-Start Time                         : 10 ms (internally set)
                                                 : more than 1000mA (VIN=5.0V, VOUT=3.3V)
                                                 Can be set freely with 0.9V
                                                 (±2.0%) of reference
                                                 voltage supply and
                                                 external components.


Application

·􀁺 PDAs
·􀁺 Palm Top Computers
·􀁺 Digital Cameras
·􀁺 Various Multi-Function Power Supplies


Specifications

PARAMETER SYMBOL RATINGS UNITS
VDD Pin Voltage VDD - 0.3 ~ 12 V
FB1, 2 Pin Voltage VFB - 0.3 ~ 12 V
EN1, 2 Pin Voltage VEN - 0.3 ~ 12 V
PWM1,2 Pin Voltage VPWM - 0.3 ~ 12 V
EXT1, 2 Pin Voltage VEXT - 0.3 ~ VDD + 0.3 V
EXT1, 2 Pin Current IEXT ±100 mA
Power Dissipation Pd 150 mW
Operating Ambient Temperature Topr - 40 ~ + 85
Storage Temperature Tstg - 55 ~ +125
* Voltage goes to Ground.


Description

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.

The 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 customdesigned 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.




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