XC9511A1434 TOREX [Torex Semiconductor], XC9511A1434 Datasheet - Page 5

• Manufacturer Part Number: XC9511A1434
• Description: Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector
• Manufacturer: TOREX [Torex Semiconductor]

■ELECTRICAL CHARACTERISTICS (Continued)
XC9511xxxCSx (Continued)
●Regulator (3.3V product)
●Detector (2.7V product)
Temperature Characteristics
Temperature Characteristics
Maximum Output Current
Dropout Voltage 1 (*5)
Ripple Rejection Rate
Test conditions: Unless otherwise stated:
*11: When temperature is high, a current of approximately 5.0μA (maximum) may leak.
*12: When using the IC with a regulator output at almost no load, a capacitor should be placed as close as possible between
*10: V
Short-Circuit Current
NOTE:
VD Output Current
*4: Time until it short-circuits DC
*8: Current limit = When V
*1: Including hysteresis operating voltage range.
*2: ON resistance (Ω)= 0.05 (V) / ILX (A).
*3: EFFI = { ( Output Voltage x Output Current ) / ( Input Voltage x Input Current) } x 100
*5: Vdif = (V
*6: V
*7: VR
*9: Integral latch circuit=latch time may become longer and latch operation may not work when V
Dropout Voltage 2
Hysteresis Range
Load Regulation
Line Regulation
Output Voltage
Output Voltage
Output Voltage
Detect Voltage
PARAMETER
PARAMETER
Current Limit
AVDD and AGND (C
for your reference. Should it not be possible to place the input capacitor nearby, the regulated output level may increase
up to the V
current limit pulse generating.
resistance of coils.
IN
DR(E)
OUT
1 = The input voltage when VROUT1 appears as input voltage is gradually decreased.
1 = A voltage equal to 98% of the output voltage whenever an amply stabilized I
= VD release voltage
IN
DC/DC : VIN=3.6V [DC
VR: V
VD: V
Common conditions for all test items: CE=V
* VR
1
DD
(*6)
level while the load of the DC/DC converter increases and the regulator output is at almost no load.
OUT
- VR
IN
IN
=5.0V
= 4.3V (V
(T) : Setting output voltage
OUT
IN
2), connected with low impedance. Please also see the recommended pattern layout on page 13
IN
Topr・VR
1
VR
V
SYMBOL
SYMBOL
Topr・VDF
is low, limit current may not be reached because of voltage falls caused by ON resistance or serial
(*7)
IN
V
Imax2
PSRR
Vdif 1
Vdif 2
VROUT
Ishort
Ilim2
V
VR
VR
OUT
・VR
DF
IVD
)
IN
HYS
V
OUT
(E)
=VR
DF
OUT
OUT
(E)
OUT
with GND through 1Ωof resistance from a state of operation and is set to DC
OUT
OUT
OUT
:1.5V]
(T) + 1.0V)
IR
1mA≦IR
IR
IR
IR
VR
VR
VR
V
IR
IR
-40℃≦Topr≦85℃
CE=0V
V
VDOUT=0.5V, CE=0V
-40℃≦Topr≦85℃
IN
HYS
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
={V
=[V
=30mA
=100mA
=200mA
=30mA
=30mA, f=1kHz
=30mA
(T)+1V≦V
=VR
=VSS
OUT
DR
OUT
(T)+1.0} V
(E)
OUT
CONDITIONS
CONDITIONS
≦100mA
(*10)
IN
(E) x 0.9
, MODE=0V
IN
- V
≦6V
DF
DC
(E)] / V
+0.5Vp-pAC,
DF
(E) x 100
3.234
2.646
MIN.
MIN.
400
480
2
1
-
-
-
-
-
-
-
-
OUT
{VR
±100
3.300
±100
2.700
TYP.
0.05
TYP.
100
600
15
50
30
60
IN
-
5
-
OUT
is 3.0V or more.
(T) + 1.0V} is input.
MAX.
3.366
MAX.
2.754
0.25
200
110
50
8
-
-
-
-
-
-
-
OUT
UNITS
UNITS
ppm/
ppm/
%/V
mA
mV
mV
mV
mA
mA
mA
dB
℃
℃
%
=0V from
V
V
XC9511
Topr=25℃
Topr=25℃
CIRCUIT
CIRCUIT
Series
12
2
2
2
2
2
2
7
7
2
8
8
9
8
5/35