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XC9509L033AL Datasheet(PDF) 5 Page - Torex Semiconductor

Part # XC9509L033AL
Description  Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9509L033AL Datasheet(HTML) 5 Page - Torex Semiconductor

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XC9509
Series
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
CIRCUIT
Supply Current * XC9509H/K/L
IDD_VR
-
40
80
μ
A
1
Output Voltage
VROUT(E)
IROUT=30mA
3.234
3.300
3.366
V
2
Maximum Output Current
Imax2
200
-
-
mA
2
Load Regulation
VROUT
1mA<IROUT<100mA
-
15
50
mV
2
Dropout Voltage 1 (*6)
Vdif 1
IROUT=30mA
-
20
50
mV
2
Dropout Voltage 2
Vdif 2
IROUT=100mA
-
60
110
mV
2
Line Regulation
VROUT
( VIN・VROUT)
IROUT=30mA
4.3V<VIN<6.0V
-
0.05
0.25
%/V
2
Current Limit
Ilim2
VROUT=VROUT(E) x 0.9
240
300
-
mA
7
Short-Circuit Current
Ishort
VROUT=VSS
-
30
-
mA
7
Ripple Rejection Rate
PSRR
VIN=4.3VDC+0.5Vp-pAC,
IROUT=30mA, f=1kHz
-
60
-
dB
12
Output Voltage
Temperature Characteristics
VROUT
( Topr・VROUT)
IROUT=30mA
-40OC<Topr<85℃
-
±
100
-
ppm/
2
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
CIRCUIT
Detect Voltage
VDF(E)
CE=0V
2.646
2.700
2.754
V
8
Hysteresis Range
VHYS
VHYS=[VDR(E)
(*11) - VDF(E)] / VDF(E) x 100
2
5
8
%
8
Output Current
* XC9509A/D/H
IVD
VIN=2.4V, VDOUT=0.5V, CE=0V
0.5
-
-
mA
9
Output Current
* XC9509B/C/E/F/K/L
IVD
VIN=2.4V, VDOUT=0.5V, CE=0V
1.0
-
-
mA
9
Output Voltage
Temperature Characteristics
VDF
( Topr・VDF)
-40OC<Topr<85℃
-
±
100
-
ppm/
8
XC9509xxxCAx (Continued)
Regulator (3.3V product)
Topr=25℃
Detector (2.7V product)
Test conditions: Unless otherwise stated:
DC/DC : VIN=3.6V [@ DCOUT:1.5V]
VR: VIN = 4.3V (VIN=VROUT(T) + 1.0V)
VD: VIN=5.0V
Common conditions for all test items: CE=VIN, MODE=0V
VROUT(T) : Setting Output Voltage
NOTE:
*1 : Including VD supply current (VD operates when in stand-by mode.)
*2 : Including hysteresis operating voltage range.
*3 : ON resistance (Ω)= 0.05 (V) / ILX (A)
*4 : EFFI = { ( output voltage x output current ) / ( input voltage x input current) } x 100
*5 : Time until it short-circuits DCOUT with GND through 1Ωof resistance from a state of operation and is set to DCOUT=0V from
current limit pulse generating.
*6 : Vdif = (VIN1
(*7) - VROUT1 (*8) )
*7 : VIN 1 = The input voltage when VROUT1 appears as input voltage is gradually decreased.
*8 : VROUT1 = A voltage equal to 98% of the output voltage whenever an amply stabilized IOUT {VROUT(T) + 1.0V} is input.
*9 : Current limit = When VIN is low, limit current may not be reached because of voltage falls caused by ON resistance or
serial resistance of coils.
*10: Integral latch circuit=latch time may become longer and latch operation may not work when VIN is 3.0V or more.
*11: VDR(E) = VD release voltage
*12: When temperature is high, a current of approximately 5.0μA (maximum) may leak.
*13: When using the IC with a regulator output at almost no load, a capacitor should be placed as close as possible between
AVDD and AGND (CIN2), connected with low impedance. Please also see the recommended pattern layout for your
reference. Should it not be possible to place the input capacitor nearby, the regulated output level may increase up to
the VDD level while the load of the DC/DC converter increases and the regulator output is at almost no load.
ELECTRICAL CHARACTERISTICS (Continued)


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