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XC9504B095AR, XC9505, XC9508

Table of contents:
Info of XC9504B095AR
Info of XC9505
Info of XC9508

XC9504B095AR, XC9505, XC9508 Selling Leads, Datasheet

MFG:TOREX Package Cooled:SOT D/C:08+

XC9504B095AR, XC9505, XC9508 Datasheet download

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Part Number: XC9504B095AR

MFG: TOREX

Package Cooled: SOT

D/C: 08+

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XC9505 General Description

The XC9505 series are PWM control, PWM/PFM switching, channel (step-down and inverting) DC/DC controller ICs. With 0.9V of standard voltage supply internal, and using externally connected components, the output 1 voltage (stepdown DC/DC controller) can be set freely within a range of 0.9V ~ 6.0V. Since output 2 (inverting DC/DC controller) has a built-in 0.9V reference voltage (accuracy ±2), a negative voltage can be set with the external components. With a 180kHz frequency, the size of the external components can be reduced. Switching frequencies of 300kHz and 500kHz are also available as custom-designed products.

The control of the XC9505 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 of control selection so that control suited to the application can be selected. Soft-start time is internally set to 10msec (output 1) which offers protection against rush currents and voltage overshoot when the power is switched on .

XC9505 Maximum Ratings

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 Temperature	Topr	- 40 ~ + 85
Storage Temperature	Tstg	- 55 ~+ 125

XC9505 Features

2ch. DC/DC Controllers
Output 1: Step-Down DC/DC Controller
Output 2: Inverting DC/DC Controller
Power Supply Voltage Range 2.0V ~ 10V
Output Voltage Range
Output 1                             : 0.9V ~ 6.0V
(Step-Down DC/DC Controller)
Output 2: -30V ~ 0V (Inverting DC/DC Controller)
Oscillation Frequency 180kHz ±15%
300kHz & 500kHz are available as custom
Output Current Output 1    :0.9V ~ 6.0V
Output 2                             :-30V ~ 0V
Soft-Start Internally Set-Up (Output 1)
Stand-By Current 3.0µA (MAX)
Can be set freely with 0.9V(± 2.0%) of reference voltage supply & external components
Can be set freely with 0.9V(± 2.0%) of reference voltage &external components
Output Current
                       Output 1 more than 1000mA (VIN=5.0V,VOUT=3.3V)
                       Output 2more than - 100mA (VIN=5.0V,VOUT=- 7.5V)
Soft-Start Internally Set-Up (Output 1)
Stand-By Current                       3.0µA (MAX)

XC9505 Typical Application

# PDAs
# Palm Top Computers
# Portable Audio Systems
# Various Multi-function Power Supplies

XC9505 Connection Diagram

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