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LADLD15G-SH2-R 数据表(PDF) 5 Page - Unisonic Technologies

部件名 LADLD15G-SH2-R
功能描述  0.8V REFERENCE ULTRA LOW DROPOUT LINEAR REGULATOR
PDF  8 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LADLD15G-SH2-R 数据表(HTML) 5 Page - Unisonic Technologies

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LXXLD15
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 8
www.unisonic.com.tw
QW-R502-638.c
ELECTRICAL CHARACTERISTICS
(Refer to the typical application circuit. These specifications apply over, VCNTL = 5V, VIN = 1.5V, VOUT = 1.2V and
TA = -40 ~ 85°C, unless otherwise specified. Typical values refer to TA = 25°C).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
VCNTL Nominal Supply Current
ICNTL
EN=VCNTL, VFB is well regulated
0.4
1
2
mA
VCNTL Shutdown Current
ISD
EN=GND
180 380 µA
POR Threshold
VCNTL
VTHR
VCNTL Rising
2.7 2.9 3.1
V
VIN
VIN Rising
0.8 0.9 1.0
V
POR Hysteresis
VCNTL
VHYS
0.4
V
VIN
0.5
V
Reference Voltage
VREF
FB=VOUT
0.8
V
Output Voltage Accuracy
IOUT=0A ~ 1.5A, TJ= -40 ~ 125°С
-1.5
+1.5 %
Line Regulation
OUT
×
IN
OUT
V
V
∆
V
∆
VCNTL=3.3 ~ 5.5V
-0.13
0.13 %/V
Load Regulation
OUT
OUT
V
V
∆
IOUT=0A ~ 1.5A
0.06 0.15 %
Dropout Voltage
VD
VCNTL=5V, IOUT=1.5A,
TJ=25°С
VOUT=1.2V
0.12 0.18
V
VOUT=2.5V
0.17 0.23
V
VCNTL=5V, IOUT=1.5A,
TJ=-40 ~ +125°С
VOUT=1.2V
0.25
V
VOUT=2.5V
0.3
V
Current Limit
ILIM
VCNTL=5V, TJ=25°С
2.1 2.8 3.5
A
VCNTL=5V, IOUT=1.5A, TJ=-40 ~ +125°С 1.8
A
Over Temperature Shutdown
OTS
TJ Rising
150
°С
Over Temperature Hysteresis
OTH
50
°С
Under-Voltage Threshold
VFB Falling
0.4
V
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
2
ms
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 Low Voltage
POK sinks 5mA
0.25 0.4
V
POK Delay Time
TDELAY
1
3
10
ms



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