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LXXLD70L-SH2-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # LXXLD70L-SH2-R
Description  0.8V REFERENCE ULTRA LOW DROPOUT LINEAR REGULATOR
PDF  8 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LXXLD70L-SH2-R Datasheet(HTML) 5 Page - Unisonic Technologies

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LXXLD70
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 8
www.unisonic.com.tw
QW-R502-674.a
ELECTRICAL CHARACTERISTICS
(Refer to the typical application circuit. These specifications apply over, VCNTL=5V, VIN=1.25V, VOUT=1.05V and
TA=-40 ~ 85°C, unless otherwise specified. Typical values are at TA=25°C).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
SUPPLY CURRENT
VCNTL Supply Current
IVCNTL
EN=VCNTL, VFB is well regulated
0.4
1.0
2.0
mA
VCNTL Shutdown Current
ISD
EN=GND
280
380
µA
POWER-ON-RESET (POR)
Rising VCNTL POR Threshold
VCNTL Rising
2.7
2.9
3.1
V
VCNTL POR Hysteresis
0.4
V
Rising VIN POR Threshold
VIN Rising
0.8
0.9
1.0
VIN POR Hysteresis
0.5
V
OUTPUT VOLTAGE
Reference Voltage
VREF
FB=VOUT
0.8
V
Output Voltage Accuracy
IOUT=0~7A, TJ=-40 ~ 125°С
-1.5
+1.5
%
Line Regulation
VCNTL=4.5 ~ 6V
-1.5
+1.5 mV/V
Load Regulation
IOUT=0 ~ 7A
0.06 0.15
%
DROPOUT VOLTAGES
VIN-to-VOUT Dropout Voltage
VDROP
IOUT=7A, VCNTL=5V, TJ=25°С
0.11 0.14
V
IOUT=7A, VCNTL=5V, TJ=-40~125°С
0.2
V
PROTECTIONS
Current-Limit Level
ILIM
VCNTL=5V, TJ=25°С
8
10
12
A
VCNTL=5V, TJ=-40~125°С
7.2
A
Thermal Shutdown Temperature
TSD
TJ Rising
150
°С
Thermal Shutdown Hysteresis
50
°С
Under-Voltage Threshold
VFB Falling
0.4
V
ENABLE AND SOFT-START
EN Logic High Threshold Voltage
VEN Rising
0.3
0.4
0.5
V
EN Hysteresis
30
mV
EN Pull-High Current
EN=GND
10
μA
Soft-Start Interval
TSS
2
ms
POWER-OK AND DELAY
POK Threshold Voltage for Power OK
VPOK
VFB Rising
90% 92% 94% VREF
POK Threshold Voltage for Power Not OK
VPNOK
VFB Falling
79% 81% 83% VREF
POK Pull-Low Voltage
POK Sinks 5mA
0.25
0.4
V
POK Delay Time
TDELAY
1
3
10
ms



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