XC9504 datasheet(2/53 Pages) TOREX

2 / 53 page

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XC9504 Series

PIN NUMBER PIN NAME

FUNCTION

EXT 1

Channel 1: External Transistor Drive Pin

VDD

Supply Voltage

FB1

Channel 1: Output Voltage Monitor Feedback Pin <Threshold value: 0.9V.

Output voltage

can be set freely by connecting split resistor between VOUT1 and GND.>

PWM1

Channel 1: PWM/PFM Switching Pin <Control Output 1. PMW control when connected

to VDD, PWM/PFM auto switching when connected to GND.>

EN1

Channel 1: Enable Pin <Connected to GND when Output 1 is in stand-by mode.

Connected to VDD when Output 1 is active.

EXT1 is low when in stand-by mode.>

EN2

Channel 2: Enable Pin <Connected to GND when Output 2 is in stand-by mode.

Connected to VDD when Output 2 is active.

EXT1 is high when in stand-by mode.>

PWM2

Channel 2: PWM/PFM Switching Pin <Control Output 2

．PMW control when connected

to VDD, PWM/PFM auto switching when connected to GND.>

FB2

Channel 2: Output Voltage Monitor Feedback Pin <Threshold value: 0.9V.

Output voltage

can be set freely by connecting split resistor between VOUT2 and GND.>

GND

Ground

EXT2/

Channel 2: External Transistor Drive Pin <Connected to P-ch Power MOSFET Gate>

■PIN CONFIGURATION

■PIN ASSIGNMENT

←

13mm

→

USP-10

(BOTTOM VIEW)

■PRODUCT CLASSIFICATION

●Ordering Information

XC9504

①②③④⑤⑥

DESIGNATOR

DESCRIPTION

SYMBOL

DESCRIPTION

①

Type of DC/DC Controller

: Standard type (10 pin)

② ③

Output Voltage

: FB products

②=0, ③=9 fixed

: 180kHz

: 300kHz (custom)

④

Oscillation Frequency

: 500kHz (custom)

: MSOP-10

⑤

Packages

: USP-10

: Embossed tape, standard feed

⑥

Device Orientation

: Embossed tape, reverse feed

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