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XCM524AD04DR-G Datasheet(PDF) 4 Page - Torex Semiconductor

Part # XCM524AD04DR-G
Description  600mA Synchronous Step-Down DC/DC Converter 500mA LDO with Delay Function Voltage Detector
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XCM524AD04DR-G Datasheet(HTML) 4 Page - Torex Semiconductor

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XCM524 Series
Ta=25℃
*1 IROUT= Less than Pd /(VIN1-VROUT
*2 The power dissipation figure shown is PCB mounted. Please refer to page 50 for details. Please also note that the power dissipation is
for each channel.
PARAMETER
SYMBOL
RATINGS
UNITS
VIN1Voltage
VIN1
7.0
V
VROUT Current
IROUT
700
(*1)
mA
VROUT Voltage
VROUT
VSS - 0.3 ∼ VIN1 + 0.3
V
VDOUT Current
IDOUT
50
mA
VDOUT Voltage
VDOUT
VSS -0.3 ∼ 7.0
V
Cd Voltage
VCd
VSS - 0.3 ∼ VIN1 + 0.3
V
VIN2 Current
VIN2
-0.3 ∼ 6.5
V
Lx Voltage
VLx
-0.3 ∼ VIN2 + 0.3 ≦ 6.5
V
DCOUT Voltage
VDCOUT
-0.3 ∼ 6.5
V
EN2 Voltage
VEN2
-0.3 ∼ 6.5
V
Lx Current
ILx
±1500
mA
USP-12B01
150
800 (Only 1ch operation)
Power
Dissipation
USP-12B01
(PCB mounted
(*2))
Pd
600 (Both 2ch operation)
mW
Junction Temperature
Tj
125
Operating Temperature Range
Topr
- 40 ∼ + 85
Storage Temperature Range
Tstg
- 55 ∼ + 125
R2
R1
Error Amp.
Vref with
Soft Start,
CE
Phase
Compensation
PWM/PFM
Selector
Current Feedback
Current Limit
PWM
Comparator
Logic
Synch
Buffer
Drive
R3
R4
UVLO
UVLO Cmp
Ramp Wave
Generator
OSC
Lx
CE/MODE
Control
Logic
CE/
VSHORT
CE
R2
R1
Error Amp.
Vref with
Soft Start,
CE
Phase
Compensation
PWM/PFM
Selector
Current Feedback
Current Limit
PWM
Comparator
Logic
Synch
Buffer
Drive
R3
R4
UVLO
UVLO Cmp
Ramp Wave
Generator
OSC
Lx
V
SS
V
IN
V
OUT
CE/MODE
Control
Logic
VSHORT
Step-Down DC/DC
Step-Down DC/DC
Available with CL Discharge, High Speed Soft-Start
V
SS
V
IN
V
OUT
CE
■BLOCK DIAGRAMS
■ABSOLUTE MAXIMUM RATINGS
* A fixed PWM control scheme because that the “CE Control Logic” outputs a low level signal to the “PWM/PFM Selector”.
* An auto PWM/PFM switching control scheme because the “CE Control Logic” outputs a high level signal to the “PWM/PFM Selector”.
*Diodes inside the circuit are an ESD protection diode and a parasitic diode.


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