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XCL206A103AR-G Datasheet(PDF) 6 Page - Torex Semiconductor

Part # XCL206A103AR-G
Description  Inductor Built-in Step-Down micro DC/DC Converters
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XCL206A103AR-G Datasheet(HTML) 6 Page - Torex Semiconductor

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XCL205/XCL206/XCL207 Series
ELECTRICAL CHARACTERISTICS (Continued)
XCL205B123AR/XCL206B123AR/ XCL207B123AR, VOUT=1.2V, fOSC=3.0MHz, Ta=25℃
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS CIRCUIT
Output Voltage
VOUT
When connected to external components,
VIN=VCE=5.0V, IOUT=30mA
1.176
1.200
1.224
V
Operating Voltage Range
VIN
2.0
-
6.0
V
Maximum Output Current
IOUTMAX
VIN=VOUT(T)+2.0V, VCE=1.0V
When connected to external components
(*9)
600
-
-
mA
UVLO Voltage
VUVLO
VCE=VIN,VOUT=0V,
Voltage which Lx pin holding “L” level
(*1, *11)
1.00
1.40
1.78
V
Supply Current (XCL205)
-
46
65
Supply Current (XCL206, XCL207)
IDD
VIN=VCE=5.0V, VOUT=VOUT(T)×1.1V
-
21
35
μ
A
Stand-by Current
ISTB
VIN=5.0V, VCE=0V, VOUT=VOUT(T)×1.1V
-
0
1.0
μ
A
Oscillation Frequency
fOSC
When connected to external components,
VIN =VOUT(T)+2.0V,VCE=1.0V, IOUT=100mA
2550
3000
3450
kHz
PFM Switching Current
(*12)
IPFM
When connected to external components,
VIN =VOUT(T)+2.0V, VCE = VIN , IOUT=1mA
(*12)
190
260
350
mA
PFM Duty Limit
(*12)
DTYLIMIT_PFM
VCE=VIN=(C-1) IOUT=1mA
(*12)
-
200
300
%
Maximum Duty Cycle
DMAX
VIN=VCE=5.0V, VOUT=VOUT (T)×0.9V
100
-
-
%
Minimum Duty Cycle
DMIN
VIN=VCE=5.0V, VOUT=VOUT (T)×1.1V
-
-
0
%
Efficiency
EFFI
When connected to external components,
VCE=VIN=VOUT (T)+1.2V, IOUT=100mA
-
82
-
%
Lx SW "H" ON Resistance 1
RLxH
VIN=VCE=5.0V, VOUT=0V, ILX=100mA
(*3)
-
0.35
0.55
Ω
Lx SW "H" ON Resistance 2
RLxH
VIN=VCE=3.6V, VOUT=0V, ILX=100mA
(*3)
-
0.42
0.67
Ω
Lx SW "L" ON Resistance 1
RLxL
VIN=VCE=5.0V
(*4)
-
0.45
0.66
Ω
-
Lx SW "L" ON Resistance 2
RLxL
VIN=VCE = 3.6V
(*4)
-
0.52
0.77
Ω
-
Lx SW "H" Leak Current
(*5)
ILeakH
VIN=VOUT=5.0V, VCE =0V, LX=0V
-
0.01
1.0
μ
A
Current Limit
(*10)
ILIM
VIN=VCE=5.0V, VOUT=VOUT (T)×0.9V
(*8)
900
1050
1350
mA
Output Voltage
Temperature Characteristics
VOUT/
(VOUT・△topr)
IOUT =30mA
-40℃≦Topr≦85℃
-
±
100
-
ppm/ ℃
CE "H" Voltage
VCEH
VOUT=0V, Applied voltage to VCE,
Voltage changes Lx to “H” level
(*11)
0.65
-
VIN
V
CE "L" Voltage
VCEL
VOUT=0V, Applied voltage to VCE,
Voltage changes Lx to “L” level
(*11)
VSS
-
0.25
V
PWM "H" Level Voltage
(*13)
VPWMH
When connected to external components,
IOUT=1mA
(*6), Voltage which oscillation
frequency becomes 2550kHz≦fOSC≦3450kHz
(*13)
-
-
VIN - 1.0
V
PWM "L" Level Voltage
(*13)
VPWML
When connected to external components,
IOUT=1mA
(*6), Voltage which oscillation
frequency becomes fOSC<2550kHz
(*13)
VIN -
0.25
-
-
V
CE "H" Current
ICEH
VIN=VCE=5.0V, VOUT=0V
- 0.1
-
0.1
μ
A
CE "L" Current
ICEL
VIN=5.0V, VCE=0V, VOUT=0V
- 0.1
-
0.1
μ
A
Soft Start Time
tSS
When connected to external components,
VCE=0V→VIN , IOUT=1mA
-
0.25
0.40
ms
Latch Time
tLAT
VIN=VCE=5.0V, VOUT=0.8×VOUT(T)
Short Lx at 1Ω resistance
(*7)
1.0
-
20
ms
Short Protection
Threshold Voltage
VSHORT
Sweeping VOUT, VIN=VCE=5.0V, Short Lx at
1Ω resistance, VOUT voltage which Lx becomes “L”
level within 1ms
0.450
0.600
0.750
V
CL Discharge
RDCHG
VIN=5.0V, LX=5.0V, VCE=0V, VOUT=Open
200
300
450
Ω
Inductance Value
L
Test frequency =1MHz
-
1.5
-
μ
H
Allowed Inductor Current
IDC
Δ
T=40℃
-
1000
-
mA
Test conditions: Unless otherwise stated, VIN=5.0V, VOUT (T) =Nominal Voltage
NOTE:
*1: Including hysteresis operating voltage range.
*2: EFFI = { ( output voltage×output current ) / ( input voltage×input current) }×100
*3: ON resistance (Ω)= (VIN - Lx pin measurement voltage) / 100mA
*4: Design value
*5: When temperature is high, a current of approximately 10μA (maximum) may leak.
*6:The CE/MODE pin of the XCL207 series works also as an external switching pin of PWM control and PWM/PFM control. When the IC is in the
operation, control is switched to the automatic PWM/PFM switching mode when the CE/MODE pin voltage is equal to or greater than VIN minus
0.3V, and to the PWM mode when the CE/MODE pin voltage is equal to or lower than VIN minus 1.0V and equal to or greater than VCEH.
*7:Time until it short-circuits VOUT with GND via 1Ωof resistor from an operational state and is set to Lx=0V from current limit pulse generating.
*8: When VIN is less than 2.4V, limit current may not be reached because voltage falls caused by ON resistance.
*9: When the difference between the input and the output is small, some cycles may be skipped completely before current maximizes.
If current is further pulled from this state, output voltage will decrease because of P-ch driver ON resistance.
*10: Current limit denotes the level of detection at peak of coil current.
*11: “H”=VIN~VIN-1.2V, “L”=+0.1V~-0.1V
*12: IPFM and DTYLIMIT_PFM are defined only for the XCL206 and XCL207 series which have PFM control function. (Not for the XCL 205 series)
*13: VPWMH and VPWML are defined only for the XCL207 series. (They are not used in the XCL205/and XCL206 series)


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