! Pin Configuration

! Pin Assignment

! Ordering Information

XC9501

123456

FB Voltage

0.9V

180kHz

300kHz (custom)

500kHz (custom)

Embossed Tape

Embossed Tape

9

1

R

2

3

Switching Frequency

MSOP-10

2

3

L

Package

5

5

6

4

Standard Feed

Reverse Feed

XC9501 Series

B

0

A

3

FB1

4

PWM1

5

Supply Voltage

Channel 2 : PWM/PFM Switching Pin <Control Output 2. PWM control when connected to

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

2ch. Step-up DC/DC Controller ICs.

PIN NUMBER

PIN NAME

FUNCTIONS

1

EXT 1

Channel 1: External Transistor Drive Pin <Connected to Nch Power MOSFET Gate>

2

EN1

FB2

9

GND

Ground

DESIGNATOR

SYMBOL

10

6

EN2

7

PWM2

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

can be set freely by connecting split resistors between VOUT2 and Ground.>

Channel 2 : External Transistor Drive Pin <Connected to Nch Power MOSFET Gate>

Standard (10 Pin)

DESCRIPTION

EXT 2

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

can be set freely by connecting split resistors between VOUT1 and Ground.>

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

Connected to VDD when Output 2 is active.EXT1 is high when in stand-by mode.>

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

Connected to VDD when Output 1 is active. EXT1 is low when in stand-by mode.>

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

8

1 EXT1

2 VDD

3 FB1

FB2 8

GND 9

EXT2 10

4 PWM1

PWM2 7

5 EN1

EN2 6

MSOP-10

(TOP VIEW)

2