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L25LD50G-SH2-R 数据表(PDF) 5 Page - Unisonic Technologies

部件名 L25LD50G-SH2-R
功能描述  0.8V REFERENCE ULTRA LOW DROPOUT LINEAR REGULATOR
PDF  11 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

L25LD50G-SH2-R 数据表(HTML) 5 Page - Unisonic Technologies

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LXXLD50
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 11
www.unisonic.com.tw
QW-R502-474.D
ELECTRICAL CHARACTERISTICS
(Refer to the typical application circuit. These specifications apply over, VCNTL = 5V, VIN = 1.5V, VOUT = 1.2V or VIN =
1.8V, VOUT = 1.5V or VIN = 2.1V, VOUT = 1.8V or VIN = 2.8V, VOUT = 2.5V and TA = 0 ~ 70°C, unless otherwise
specified. Typical values refer to TA = 25°C.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
SUPPLY CURRENT
VCNTL Supply Current
ICNTL
EN = VCNTL,
0.4
1
8
mA
VCNTL Shutdown Current
ISD
EN = GND
200
380
μA
POWER-ON-RESET
VCNTL POR Threshold
VCNTL Rising
2.7
2.9
3.1
V
VCNTL POR Hysteresis
0.4
V
VIN POR Threshold
VIN Rising
0.8
0.9
1.0
VIN POR Hysteresis
0.5
V
OUTPUT VOLTAGE
Reference Voltage
VREF
ADJ =VOUT
0.8
V
Output Voltage Accuracy
IOUT=0A ~ 5A, TJ= -25 ~125°C
-1.5
+1.5
%
Line Regulation
VCNTL=3.3 ~ 5.5V
0.06
0.3
%
Load Regulation
IOUT=0A ~ 5A
0.06
0.15
%
DROPOUT VOLTAGE
IOUT = 5A, VCNTL=5V, TJ= 25°C
0.2
0.25
V
Dropout Voltage
IOUT = 5A, VCNTL=5V, TJ= -50~125°C
0.3
V
PROTECTION
VCNTL=5V, TJ= 25°C
7
8
9
A
VCNTL=5V, TJ= -25 ~ 125°C
6
A
VCNTL=3.3V, TJ= 25°C
6.3
6.7
8.8
A
Current Limit
ILIMIT
VCNTL=3.3V, TJ= -25 ~ 125°C
6
A
Thermal Shutdown Temperature
TSD
TJ Rising
150
°C
Thermal Shutdown Hysteresis
25
°C
Under-Voltage Threshold
ADJ Falling
0.4
V
Over-Voltage Threshold
VOVP/Vnormal Output Voltage up regulation voltage
125
%
ENABLE AND SOFT-START
EN Logic High Threshold Voltage
VEN Rising
0.3
0.4
0.5
V
EN Hysteresis
30
mV
EN Pin Pull-Up Current
EN=GND
10
μA
Soft-Start Interval
TSS
1.2
ms
POWER OK AND DELAY
POK Threshold Voltage for Power OK
VPOK
VADJ Rising
90% 92% 94% VREF
POK Threshold Voltage for Power Not
OK
VPNOK
VADJ Falling
79% 81% 83% VREF
POK Low Voltage
POK sinks 5mA
0.2
0.4
V
POK Delay Time
TDELAY
1
1.5
10
mS
ADJ
Adjust Pin threshold
0.1
0.2
0.4
V



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