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XC9220D095EL Datasheet(PDF) 5 Page - Torex Semiconductor

Part # XC9220D095EL
Description  16V Input Voltage, Step-Down DC/DC Controller ICs.
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9220D095EL Datasheet(HTML) 5 Page - Torex Semiconductor

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XC9220/XC9221
Series
Unless otherwise stated, VIN=5.0V
External components: CSS=0.1μF, RSS=200k
Ω
NOTE:
*1: Internal soft-start time: In case where the U.V.L.O. function operates temporarily due to the power cutoff etc. when an external CSS is
charged (VCE>2.6V), the IC restarts operation by the internal soft-start time. Minimum value of soft-start time set externally is equal to the
internal soft-start time.
*2: EFFI={ (output voltage) x (output current) } / { (input voltage) x (input current) } x 100
*3: The integral latch and short-circuit protection do not function when the CE/CSS pin voltage become lower than 2.6V while the soft-start time.
*4: No Integral protection function is available with the XC9220/XC9221 D series.
** Refer to the CHARACTERISTICS CHART BY OSCILLATION FREQUENCY.
300kHz
500kHz
1.0MHz
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
Supply Voltage 2
IDD2
-
25
50
-
25
50
-
40
80
Oscillation Frequency
FOSC
255
300
345
425
500
575
850
1000
1150
Integral Protection Time
TPRO
0.5
1.0
2.0
0.5
1.0
2.0
0.25
0.50
1.00
Soft-Start Time
TSS
2
4
8
2
4
8
1
2
4
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT. CIRCUIT
FB Voltage
VFB
0.8865
0.9000 0.9135
V
2
Input Voltage Range
VIN
2.8
-
16.0
V
-
U.V.L.O. Voltage
(Minimum Operating Voltage)
VUVLO
1.9
2.3
2.7
V
3
Supply Current 2
IDD2
VIN=5.0V, FB=1.0V
**
μA
1
Stand-by Current
ISTB
-
0.1
1.0
μA
1
Oscillation Frequency
FOSC
Connected to external
components
**
kHz
3
Maximum Duty Ratio
MAXDTY
100
-
-
%
2
PFM Duty Ratio
PFMDTY
No load (XC9221 series only)
15
25
35
%
3
EXT/ High On Resistance
REXTBH
6
10
16
Ω
4
EXT/ Low On Resistance
REXTBL
6
12
20
Ω
4
Integral Protection Time
(*4)
TPRO
(XC9220/9221 B series)
**
ms
2
Short-Circuit Protection
VSHORT
-
-
0.7
V
2
Soft-Start Time
TSS
Connected to RSS and CSS
5.0
10.0
20.0
ms
5
Internal Soft-Start Time (*1)
TSS_IN
CE=VIN
**
ms
2
Efficiency (*2)
EFFI
-
92
-
%
3
VFB
FB Voltage
Temperature Characteristics
Topr VFB
-
+100
-
ppm
/OC
2
CE “High” Level Voltage
(*3)
VCEH
2.6
-
-
V
2
CE “Low” Level Voltage
VCEL
-
-
0.3
V
2
CE “High” Level Current
ICEH
VIN=CE=16V
- 0.1
-
0.1
μA
1
CE “Low” Level Current
ICEL
VIN=16V, CE=0V
- 0.1
-
0.1
μA
1
FB “High” Level Current
IFBH
VIN=FB=16V
- 0.1
-
0.1
μA
4
FB “Low” Level Current
IFBL
VIN=16V, FB=0V
- 0.1
-
0.1
μA
4
XC9220/XC9221 B and D series
■ELECTRICAL CHARACTERISTICS (Continued)
Ta = 25OC
■CHARACTERISTICS CHART BY OSCILLATION FREQUECY


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