L1138 Datasheet, PDF (4/8 Pages) Unisonic Technologies – HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

L1138
Preliminary
CMOS IC
„ ABSOLUTE MAXIMUM RATING(T_a = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
V_IN
V_SS -0.3~V_SS+7
V
V_ON/OFF
V_SS -0.3~V_IN+0.3
V
Output Voltage
V_OUT
V_SS -0.3~V_IN+0.3
V
Power Dissipation
P_D
Internally limited
mW
Operating Temperature
T_OPR
-40~+85
°C
Storage Temperature
T_STG
-40~+125
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ ELECTRICAL CHARACTERISTICS (V_IN=V_OUT+1V, T_a = 25°C, unless otherwise specified)
L1138-2.8V
Parameter
Input Voltage
Output Voltage (Note 1)
Line Regulation
Load Regulation
Output Current (Note 2)
Current Consumption ^Operation
During
Shutdown
Short-Circuit Current
Dropout Voltage
Temperature Coefficient of Output
Voltage
Power Supply Rejection
Shutdown Pin Input
Voltage
Shutdown Pin Input
Current
Thermal Shutdown
Temperature
High
Low
High
Low
Detection
Release
SYMBOL
V_IN
V_OUT(E)
ΔV_OUT1
ΔV_IN × V_OUT
ΔV_OUT2
I_OUT
I_SS1
I_SS2
I_SHORT
V_D
T_CV_O
PSRR
V_SH
V_SL
I_SH
I_SL
T_SD
T_SR
TEST CONDITIONS
V_IN =V_OUT(S)+1.0V, I_OUT =100mA
V_OUT(S) + 0.5V ≤V_IN ≤6.5V,
I_OUT = 100mA
V_IN = V_OUT(S) + 1.0 V,
1.0mA ≤I_OUT ≤300mA
V_IN ≤V_OUT(S)+1.0 V
V_IN = V_OUT(S) +1.0 V,
ON/OFF pin = ON, no load
V_IN = V_OUT(S) + 1.0 V,
ON/OFF pin = OFF, no load
V_IN = V_OUT(S) + 1.0 V,
ON/OFF pin = ON, V_OUT = 0 V
V_OUT(S)=2.8V, I_OUT = 300mA
V_IN = V_OUT(S) +1.0V,
I_OUT = 10mA, -40°C≤ T_a ≤85°C
V_OUT(S)=2.8V, V_IN= V_OUT(S)+1.0 V
f = 1.0kHz, I_OUT = 100mA
ΔV_rip = 0.5V_rms
V_IN = V_OUT(S) +1.0V
V_IN = V_OUT(S) + 1.0V
V_IN = 6.5V, V_ON/OFF = 6.5V
V_IN = 6.5V, V_ON/OFF = 0V
Junction temperature
Junction temperature
MIN
2.772
800
1.5
-0.1
-0.1
TYP
2.8
0.05
30
80
0.1
350
0.15
±150
70
150
120
MAX
6.5
2.828
UNIT
V
V
0.3 %/V
100 mV
mA
160 µA
1.0 µA
mA
0.22 V
ppm/°C
dB
V
0.3
V
0.1 µA
0.1 µA
°C
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-323.c