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XC9509A033DR Datasheet(PDF) 2 Page - Torex Semiconductor

Part # XC9509A033DR
Description  Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9509A033DR Datasheet(HTML) 2 Page - Torex Semiconductor

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XC9509 Series
DESIGNATOR
DESCRIPTION
SYMBOL
DESCRIPTION
Control Methods, the
MODE Pin, & the VD
Sense Pin
As chart below : -
②③
Setting Voltage &
Specifications
Internal
standard
: Setting voltage and specifications of each DC/DC, VR,
and VD (Based on the internal standard)
3
: 300kHz
6
: 600kHz
DC/DC Oscillation
Frequency
C
: 1.2MHz
A
: MSOP-10, Current limiter: 1.1A (TYP.)
Package &
DC/DC Current Limit
D
: USP-10, Current limiter: 0.7A (TYP.)
R
: Embossed Tape, standard feed
Device Orientation
L
: Embossed Tape, reverse feed
SERIES
DC/DC CONTROL METHODS
MODE PINS
(H LEVEL)
MODE PINS
(L LEVEL)
VD SENSE
A
VDD
B
DCOUT
C
VR: OFF
VR: ON
VROUT
D
VDD
E
DCOUT
F
PWM Control
DC/DC: OFF
DC/DC: ON
VROUT
H
VDD
K
DCOUT
XC9509
L
PWM, PFM/PWM Manual
Switch
PFM/PWM Auto
Switch
PWM Control
VROUT
PIN NUMBER
PIN NAME
FUNCTION
1
PGND
Power Ground
2
CE
Chip Enable
3
PVDD
Power Supply 1
4
AVDD
Power Supply 2
5
VDOUT
VD Input
6
AGND
Analog Ground
7
MODE
Mode Switch
8
VROUT
VR Output
9
DCOUT
DC/DC Output Sense
10
LX
Switch
PIN CONFIGURATION
PIN ASSIGNMENT
PRODUCT CLASSIFICATION
Ordering Information
XC9509①②③④⑤⑥ : The input for the voltage regulator block comes from VDD.
*The dissipation pad for the USP-10 package
should be solder-plated in recommended
mount pattern and metal masking so as to
enhance mounting strength and heat release.
If the pad needs to be connected to other pins,
it should be connected to the AGND pin.
USP-10 (BOTTOM VIEW)
Control Methods, MODE Pins, VD SENSE Pins
* The XC9509A to F series' MODE pin switches either the regulator block or DC/DC block to stand-by mode.
When the CE mode is off, every function except for the VD function enters into the stand-by mode.
(The MODE pin does not operate independently.)
MSOP-10 (TOP VIEW)


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