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XC9253R Scheda tecnica(PDF) 3 Page - Torex Semiconductor

Il numero della parte XC9253R
Spiegazioni elettronici  Synchronous Step-Down DC/DC Converter
PDF  13 Pages
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Produttore elettronici  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9253R Scheda tecnica(HTML) 3 Page - Torex Semiconductor

  XC9253R Datasheet HTML 1Page - Torex Semiconductor XC9253R Datasheet HTML 2Page - Torex Semiconductor XC9253R Datasheet HTML 3Page - Torex Semiconductor XC9253R Datasheet HTML 4Page - Torex Semiconductor XC9253R Datasheet HTML 5Page - Torex Semiconductor XC9253R Datasheet HTML 6Page - Torex Semiconductor XC9253R Datasheet HTML 7Page - Torex Semiconductor XC9253R Datasheet HTML 8Page - Torex Semiconductor XC9253R Datasheet HTML 9Page - Torex Semiconductor Next Button
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XC9253R
Series
PARAMETER
SYMBOL
RATINGS
UNITS
VIN Pin Voltage
VIN
- 0.3 ~ 6.5
V
Lx Pin Voltage
VLx
- 0.3 ~ VIN + 0.3
V
VOUT Pin Voltage
VOUT
- 0.3 ~ 6.5
V
CE Pin Voltage
VCE
- 0.3 ~ VIN + 0.3
V
Lx Pin Current
ILx
±1000
mA
SOT-25
250
Power Dissipation
USP-6B
Pd
100
mW
Operating Ambient Temperature
Topr
- 40 ~ + 85
℃
Storage Temperature
Tstg
- 55 ~ +125
℃
NOTE: The signal from CE Control Logic to PWM/PFM Selector is being fixed to "H" level inside,
and XC9253R series chooses only PWM/PFM automatic switching control.
■ABSOLUTE MAXIMUM RATINGS
Ta=25℃
■BLOCK DIAGRAM
CE
R2
R1
Error Amp.
Phase
Compensation
PWM/PFM
Selector
Current Feedback
Current Limit
PWM
Comparator
Logic
Synch.
Buffer
Drive
R3
R4
U.V.L.O.
U.V.L.O. Cmp
Ramp Wave
Generator
OSC
Lx
VSS
VIN
VOUT
CE
Control Logic
Vref with
Soft Start,
CE



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