XC9510

Features: DC/DC Converter with Built-in LDO and VD FunctionInput Voltage Range : 2.4V ~ 6.0VLow ESR Capacitor : Ceramic capacitor compatibleVD Function : Three Sensing Options for EitherVDD, DCOUT or VROUTN-ch open drain outputPackage : SOP-8<DC/DC Converter Block>Output Voltage Range : 1.6V...

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SeekIC No. : 004548072 Detail

XC9510: Features: DC/DC Converter with Built-in LDO and VD FunctionInput Voltage Range : 2.4V ~ 6.0VLow ESR Capacitor : Ceramic capacitor compatibleVD Function : Three Sensing Options for EitherVDD, DCOUT o...

floor Price/Ceiling Price

Part Number:
XC9510
Supply Ability:
5000

Price Break

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

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Upload time: 2024/3/27

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Product Details

Description



Features:

DC/DC Converter with Built-in LDO and VD Function
Input Voltage Range : 2.4V ~ 6.0V
Low ESR Capacitor : Ceramic capacitor compatible
VD Function : Three Sensing Options for Either
VDD, DCOUT or VROUT
N-ch open drain output
Package : SOP-8
<DC/DC Converter Block>
Output Voltage Range : 1.6V ~ 4.0V (Accuracy ±2%)
Output Current : 800mA,
Controls : PWM or PWM/PFM Selectable
Oscillation Frequency : 300kHz, 600kHz, 1.2MHz
<Regulator Block>
Regulator Input : Serial Input from DC/DC output
Output Voltage Range : 0.9V ~ 4.0V (Accuracy±2%)
Current Limit : 600mA
Dropout Voltage : 160mV @ IOUT=200mA
(VOUT=2.8V)
High Ripple Rejection : 60dB @1kHz (VOUT=2.8V)





Application

CD-R / RW, DVD
HDD
PDAs, portable communication modem
Cellular phones
Palmtop computers
Cameras, video recorders



Pinout

  Connection Diagram


Specifications

PARAMETER SYMBOL RATINGS UNIT
VDD Pin Voltage VDD - 0.3 ~ 6.5 V
DCOUT Pin Voltage DCOUT - 0.3 ~ VDD + 0.3 V
VROUT Pin Voltage VROUT - 0.3 ~ VDD + 0.3 V
VROUT Pin Current IROUT 800 mA
VDOUT Pin Voltage VDOUT - 0.3 ~ VDD + 0.3 V
VDOUT Pin Current IVD 50 mA
Lx Pin Voltage Lx - 0.3 ~ VDD + 0.3 V
Lx Pin Current ILx ±1300 mA
CE/MODE Pin Voltage CE/MODE - 0.3 ~ VDD + 0.3 V
Power Dissipation SOP-8 Pd 650* mA
Operating Temperature Range Topr - 40 ~ + 85
Storage Temperature Range Tstg - 55 ~ + 125
(*) When PC board mounted.




Description

The XC9510 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in series with the DC/DC converter's output. A voltage detector is also built-in. A highly efficient, low noise output is possible since the regulator is stepped-down further from the DC/DC output.

The DC/DC converter block incorporates a P-channel driver transistor and a synchronous N-channel switching transistor.

With an external coil, diode and two capacitors, the XC9510 can deliver output currents up to 800mA at efficiencies over 90%.

The XC9510 is designed for use with small ceramic capacitors. A choice of three switching frequencies are available, 300 kHz, 600 kHz, and 1.2 MHz. Output voltage settings for the DC/DC is set-up internally in 100mV steps within the range of 1.6V to 4.0V(±2.0%) and for the VR are set-up internally within the range of 0.9V to 4.0V (±2.0%). For the VD, the range is of 0.9V to 5.0V (±2.0%). The soft start time of the series is internally set to 5ms. With the built-in U.V.L.O. (Under Voltage Lock Out) function, the internal P-channel driver transistor is forced OFF when input voltage becomes 1.4 V or lower. The operational states of the DC/DC and the regulator blocks can be changed by inputting three kinds of voltage level via the CE/MODE pin. The functions of the XC9510 pin can be selected via the external control pin to switch the DC/DC control mode and the disable pin to shut down the regulator block.






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