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XC9223 データシート(PDF) 6 Page - Torex Semiconductor

部品番号 XC9223
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

XC9223 データシート(HTML) 6 Page - Torex Semiconductor

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XC9223/XC9224 Series
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
CIRCUIT
Input Voltage
VIN
2.5
-
6.0
V
-
FB Voltage
VFB
0.784
0.800
0.816
V
Output Voltage Setting Range
VOUTSET
0.9
-
VIN
V
Maximum Output Current 1 (*1)
IOUTMAX1
0.4
-
-
A
Maximum Output Current 2 (*1)
IOUTMAX2
1.0
-
-
A
U.V.L.O. Voltage
VUVLO
FB=VFB x 0.9, VIN Voltage which Lx pin
voltage holding ‘L’ level (*8)
1.55
1.80
2.00
V
Supply Current 1
IDD1
FB=VFB x 0.9, MODE/SYNC=0V
D1-1 (*2)
μA
Supply Current 2
IDD2
FB=VFB x 1.1 (Oscillation stops),
MODE/SYNC=0V
D1-2 (*2)
μA
Stand-by Current
ISTB
CE=0V
D1-6 (*2)
μA
Oscillation Frequency
FOSC
Connected to external components,
IOUT=10mA
D1-3 (*2)
MHz
External Clock Signal
Synchronized Frequency
SYNCOSC
Connected to external components,
IOUT=10mA, apply an external clock signal
to the MODE/SYNC
D1-4 (*2)
MHz
External Clock Signal Cycle
SYNCDTY
25
-
75
%
Maximum Duty Cycle
MAXDTY
FB=VFB x 0.9
100
-
-
%
Minimum Duty Cycle
MINDTY
FB=VFB x 1.1
-
-
0
%
PFM Switch Current
IPFM
Connected to external components,
MODE/SYNC=0V, IOUT=10mA
-
200
250
mA
Efficiency (*3)
EFFI
Connected to external components,
VIN=5.0V, VOUT=3.3V, IOUT=200mA
-
95
-
%
Lx SW ‘H’ On Resistance (*4)
RLxH
FB=VFB x 0.9, ILx=VIN-0.05V
-
0.21
0.3 (*7)
Ω
Lx SW ‘L’ On Resistance
RLxL
-
0.23
0.3 (*7)
Ω
-
Current Limit 1
ILIM1
LIM=0V
0.6
-
0.9
A
Current Limit 2
ILIM2
LIM=VIN
1.2
-
2.0
A
Integral Latch Time (*5)
TLAT
FB=VFB x 0.9, Short Lx by 1
Ω resistance
D1-5 (*2)
ms
Short Detect Voltage
VSHORT
FB Voltage which Lx becomes ‘L’ (*8)
0.3
0.4
0.5
V
Soft-Start Time
TSS
CE=0V
→VIN, IOUT=1mA
0.5
1.0
2.0
ms
Thermal Shutdown Temperature
TTSD
-
150
-
OC
-
Hysteresis Width
THYS
-
20
-
OC
-
CE ‘H’ Voltage
VCEH
FB=VFB x 0.9, Voltage which Lx becomes
‘H’ after CE voltage changed from 0.4V to
1.2V (*8)
1.2
-
-
V
CE ‘L’ Voltage
VCEL
FB=VFB x 0.9, Voltage which Lx becomes
‘L’ after CE voltage changed from 1.2V to
0.4V (*8)
-
-
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
IOUT=ILIM1 x 1.1, Check LIM voltage which
Lx oscillated after CE voltage changed
from 1.2V to 0.4V
-
-
0.4
V
CE ‘H’ Current
ICEH
VIN=CE=6.0V
-
-
0.1
A
CE ‘L’ Current
ICEL
VIN=6.0V, CE=0V
- 0.1
-
-
μA
MODE/SYNC ‘H’ Current
IMODE/SYNCH
VIN=6.0V
-
-
0.1
μA
MODE/SYNC ‘L’ Current
IMODE/SYNCL
VIN=6.0V, MODE/SYNC=0V
- 0.1
-
-
μA
LIM ‘H’ Current
ILIMH
VIN=LIM=6.0V
-
-
0.1
μA
LIM ‘L’ Current
ILIML
VIN=6.0V, LIM=0V
- 0.1
-
-
μA
FB ‘H’ Current
IFBH
VIN=FB=6.0V
-
-
0.1
μA
FB ‘L’ Current
IFBL
VIN=6.0V, FB=0V
- 0.1
-
-
μA
Lx SW ‘H’ Leak Current
ILeakH
VIN=Lx=6.0V, CE=0V
-
-
1.0
μA
Lx SW ‘L’ Leak Current (*6)
ILeakL
VIN=6.0V, Lx=CE=0V
- 3.0
-
-
μA
XC9223/XC9224 Series
Topr=25
■ELECTRICAL CHARACTERISTICS


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