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XC9223B082DR データシート(PDF) 5 Page - Torex Semiconductor

部品番号 XC9223B082DR
部品情報  1A Driver Transistor Built-In Step-Down DC/DC Converters
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メーカー  TOREX [Torex Semiconductor]
ホームページ  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9223B082DR データシート(HTML) 5 Page - Torex Semiconductor

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Data Sheet
5
DC000019
XC9223/9224 Series
1A Driver Transistor Built-In Step-Down DC/DC Converters
Preliminary
ELECTRICIAL CHARACTERISTICS
XC9223B081xx
Topr=25OC
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CIRCUIT
Input Voltage
VIN
2.2
-
6.0
V
-
FB Voltage
VFB
0.784
0.800
0.816
V
-
Output Voltage Range
VOUTSET
0.8
-
VIN
V
-
Maximum Output Current (*1)
IOUTMAX
1.0
-
-
A
-
U.V.L.O. Voltage (*2)
VUVLO
FB=VFB x 0.9, Voltage which Lx pin voltage
holding “L” level
-
1.8
-
V
-
Supply Current 1
IDD1
FB=VFB x 0.9
-
380
-
µA
-
Supply Current 2
IDD2
FB=VFB x 1.1 (Oscillation stops)
-
30
-
µA
-
Stand-by Current
ISTB
CE=0V
-
-
1.0
µA
-
Oscillation Frequency
FOSC
Connected to external components,
IOUT=10mA
0.85
1.00
1.15
MHz
-
External Clock Signal
Synchronized Frequency
SYNCOSC
Connected external components,
IOUT=10mA, apply an external clock signal to
the MODE/SYNC
0.75
-
1.25
MHz
--
External Clock Signal Duty
SYNCDTY
25
-
75
%
-
Maximum Duty Ratio
MAXDTY
FB=VFB x 0.9
100
-
-
%
-
Minimum Duty Ratio
MINDTY
FB=VFB x 1.1
-
-
0
%
-
PFM Switch Current
IPFM
Connected to external components,
MODE/SYNC=0V, IOUT=0.1mA
-
150
-
mA
-
Efficiency (*3)
EFFI
Connected to external components,
CE=VIN=5.0V, VOUT=3.3V, IOUT=200mA
-
94
-
%
-
Lx SW “H” On Resistance (*4)
RLxH
FB=VFB x 0.9, ILx=100mA
-
0.23
-
-
Lx SW “L” On Resistance (*4)
RLxL
-
0.25
-
-
Current Limit 1
ILIM1
LIM=0V, FB=VFB x 0.9
Current which Lx starts oscillation
0.5
-
-
A
-
Current Limit 2
ILIM2
LIM=VIN, FB=VFB x 0.9
Current which Lx starts oscillation
1.5
-
-
A
-
Integral Latch Time (*5, *6)
TLAT
FB=VFB x 0.9, Short Lx by 1
Ω resistance
-
6
-
ms
-
Short Detect Voltage
VSHORT
FB Voltage which Lx becomes “L”
-
0.4
-
V
-
Soft-Start Time
TSS
Connected to external components,
CE=0V VIN, IOUT=1mA
-
3
-
ms
-
Thermal Shutdown Temperature
TTSD
-
150
-
O
C
-
Hysteresis Temperature
THYS
-
20
-
O
C
-
CE “H” Voltage
VCEH
FB=VFB x 0.9, Voltage which Lx becomes “H”
when voltage applied to CE
1.2
-
-
V
-
CE “L” Voltage
VCEL
FB=VFB x 0.9, Voltage which Lx becomes “L”
when voltage applied to CE
-
-
0.4
V
-
MODE/SYNC “H” Voltage
VMODE/SYNCH
1.2
-
-
V
-
MODE/SYNC “L” Voltage
VMODE/SYNCL
-
-
0.4
V
-
LIM “H” Voltage
VLIMH
1.2
-
-
V
-
LIM “L” Voltage
VLIML
-
-
0.4
V
-
CE “H” Current
ICEH
VIN=CE=6.0V
-
-
0.1
µA
-
CE “L” Current
ICEL
VIN=6.0V, CE=0V
-0.1
-
-
µA
-
MODE/SYNC “H” Current
IMODE/SYNCH
VIN=CE=MODE/SYNC=6.0V
-
-
0.1
µA
-
MODE/SYNC “L” Current
IMODE/SYNCL
VIN=CE=6.0V, MODE/SYNC=0V
-0.1
-
-
µA
-
LIM “H” Current
ILIMH
VIN=CE=LIM=6.0V
-
-
0.1
µA
-
LIM “L” Current
ILIML
VIN=CE=6.0V, LIM=0V
-0.1
-
-
µA
-
FB “H” Current
IFBH
VIN=CE=FB=6.0V
-
-
0.1
µA
-
FB “L” Current
IFBL
VIN=CE=6.0V, FB=0V
-0.1
-
-
µA
-
Lx SW “H” Leak Current
ILxH
VIN=LX=6.0V, VCE=0V
-
-
1.0
µA
-
Lx SW “L” Leak Current (*7)
ILxL
VIN=6.0V, LX=CE=0V
-1.0
-
-
µA
-


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