LADLD10 Datasheet, PDF (5/7 Pages) Unisonic Technologies – 0.8V REFERENCE ULTRA LOW DROPOUT LINEAR REGULATOR

LXXLD10
Preliminary
CMOS IC
 ELECTRICAL CHARACTERISTICS
(Refer to the typical application circuit. These specifications apply over, V_CNTL = 5V, V_IN = 1.5V, V_OUT = 1.2V and
T_A = 0 to 70°C, unless otherwise specified. Typical values refer to T_a = 25°C).
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
V_CNTL Nominal Supply Current
I_CNTL
EN = V_CNTL
0.4 1 2 mA
V_CNTL Shutdown Current
I_SD
EN = GND
180 380 µA
POR Threshold
V_CNTL
V_IN
V_THR
V_CNTL Rising
V_IN Rising
2.7 2.9 3.1 V
0.8 0.9 1.0 V
POR Hysteresis
Reference Voltage
V_CNTL
V_IN
V_HYS
V_REF
FB =V_OUT
0.4
V
0.5
V
0.8
V
Output Voltage Accuracy
Line Regulation
I_OUT=0A~1A, T_J= -25 ~125°С
∆VOUT
∆VIN × VOUT
V_CNTL=3.3~5V
-1.5
+1.5 %
0.1 0.2 %/V
Load Regulation
∆VOUT
VOUT
I_OUT=0A~1A
0.06 0.15 %
V_CNTL=5V, T_J= 25°С
2.0 3.2
A
Current Limit
I_LIMIT
V_CNTL=5V, T_J= -25 ~ +125°С
V_CNTL=3.3V, T_J= 25°С
2.0
2.0 3.0
A
A
V_CNTL=3.3V, T_J= -25 ~ +125°С
2.0
A
Dropout Voltage
Over Temperature Shutdown
V_D
OTS
V_CNTL=5V, I_OUT=1A, T_J= 25°С
V_CNTL=5V, I_OUT=1A,T_J= -50~+125°С
T_J Rising
0.06 0.1 V
0.15 V
150
°С
Over Temperature Hysteresis
OTH
50
°С
Under-Voltage Threshold
EN Logic High Threshold Voltage
V_FB Falling
V_EN Rising
0.4
V
0.3 0.4 0.5 V
EN Hysteresis
30
mV
EN Pin Pull-Up Current
EN=GND
10
μA
Soft-Start Interval
T_SS
2
ms
POK Threshold Voltage for Power OK
V_POK
V_FB Rising
90% 92% 94% V_REF
POK Threshold Voltage for Power Not OK
POK Low Voltage
V_PNOK
V_FB Falling
POK sinks 5mA
79% 81% 83% V_REF
0.25 0.4 V
POK Delay Time
T_DELAY
1 3 10 ms
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QW-R502-702.b