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XC9502 Datasheet(PDF) 2 Page - Torex Semiconductor

Part # XC9502
Description  2ch. Step-up / down DC/DC Controller ICs
PDF  43 Pages
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9502 Datasheet(HTML) 2 Page - Torex Semiconductor

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XC9502 Series
1
2
3
4
5
6
7
8
9
10
EXT1
VDD
FB1
PWM1
EN1
EN2
PWM2
FB2
GND
EXT2
PIN NUMBER
PIN NAME
FUNCTIONS
1
EXT 1
Channel 1: External Transistor Drive Pin <Connected to N-ch Power MOSFET Gate>
2
VDD
Supply Voltage
3
FB1
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.>
4
PWM1
Channel 1: PWM/PFM Switching Pin <Control Output 1. PWM control when connected to
VDD, PWM / PFM auto switching when connected to Ground. >
5
EN1
Channel 1: Enable Pin <Connected to Ground when Output 1 is in stand-by mode.
Connected to VDD when Output 1 is active. EXT1 is low when in stand-by mode.>
6
EN2
Channel 2: Enable Pin <Connected to Ground when Output 2 is in stand-by mode.
Connected to VDD when Output 2 is active. EXT2/ is high when in stand-by mode.>
7
PWM2
Channel 2: PWM/PFM Switching Pin <Control Output 2. PWM control when connected to
VDD, PWM / PFM auto switching when connected to Ground.>
8
FB2
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.>
9
GND
Ground
10
EXT2/
Channel 2: External Transistor Drive Pin <Connected to P-ch Power MOSFET Gate>
XC9502①②③④⑤⑥
DESIGNATOR
DESCRIPTION
SYMBOL
DESCRIPTION
①
Type of DC/DC Controller
B
: Standard type (10 pin)
② ③
Output Voltage
09
: FB products → ②=0, ③=9 fixed
2
: 180kHz
3
: 300kHz (custom)
④
Oscillation Frequency
5
: 500kHz (custom)
A
: MSOP-10
⑤
Package
D
: USP-10
R
: Embossed tape, standard feed
⑥
Device Orientation
L
: Embossed tape, reverse feed
■PRODUCT CLASSIFICATION
●Ordering Information
■PIN CONFIGURATION
1 EX T1
2 VD D
3 FB1
F B2 8
GN D 9
EX T2 1 0
4 PW M1
PW M2 7
5 E N 1
EN 2 6
MSO P -1 0
(TO P VIE W )
MSOP-10
(TOP VIEW)
■PIN ASSIGNMENT
USP-10
(BOTTOM VIEW)



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