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XC9511 Datasheet(PDF) 3 Page - Torex Semiconductor

Part No. XC9511
Description  Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector
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Maker  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
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XC9511 Datasheet(HTML) 3 Page - Torex Semiconductor

 
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Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector
Preliminary
! PACKAGING INFORMATION
# SOP-8
! BLOCK DIAGRAM
* Diodes shown in the above circuits are protective diodes.
! ABSOLUTE MAXIMUM RATINGS
Ta=25
OC
(*) When PC board mounted.
- 55 ~ + 125
mA
800
mA
V
OC
VROUT Pin Current
VDOUT Pin Current
LX Pin Current
IROUT
ILX
IVD
VDOUT Pin Voltage
LX Pin Voltage
RATINGS
PARAMETER
SYMBOL
UNITS
V
OC
- 40 ~ + 85
- 0.3 ~ 6.5
AVDD - 0.3 ~ AVDD + 0.3
- 0.3 ~ AVDD + 0.3
Continuous Power Dissipation (*)
Tstg
+ 1300
- 0.3 ~ AVDD + 0.3
- 0.3 ~ AVDD + 0.3
650
V
V
V
DCOUT
- 0.3 ~ AVDD + 0.3
mA
mW
SOP-8
Storage Temperature Range
Operating Temperature Range
AVDD
LX
VDOUT
PVDD
VROUT
50
DCOUT Pin Voltage
VROUT Pin Voltage
PVDD pin Voltage
XC9511 Series
Pd
Topr
V
AVDD Pin Voltage
Semiconductor Ltd.
+
-
Vref
with
soft start
PWM/PFM
Controller
Phase
Compensation
+
-
logic
Buffer,
Driver
Current Limit &
Feedback
Ramp Wave
Generator,
OSC
DCOUT
LX
PGND
PVDD
VROUT
AGND
+
-
Current
Li mi t
Vref
AVDD
-
+
U.V.L.O
+
-
VDOUT
Vref
SENSE
(VDD or DCOUT or VROUT)
Data Sheet
3


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