L1138 Datasheet, PDF (5/8 Pages) Unisonic Technologies – HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

L1138
Preliminary
CMOS IC
„ ELECTRICAL CHARACTERISTICS(Cont.)
L1138-3.5V
Parameter
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Input Voltage
V_IN
6.5 V
Output Voltage (Note 1)
Line Regulation
V_OUT(E)
ΔV_OUT1
ΔV_IN × V_OUT
V_IN =V_OUT(S)+1.0V, I_OUT =100mA
V_OUT(S) + 0.5V ≤V_IN ≤6.5V,
I_OUT = 100mA
3.465 3.5 3.535 V
0.05 0.3 %/V
Load Regulation
ΔV_OUT2
V_IN = V_OUT(S) + 1.0 V
1.0mA ≤I_OUT ≤300mA
30 100 mV
Output Current (Note 2)
I_OUT
V_IN ≤V_OUT(S)+1.0 V
800
mA
Current Consumption ^Operation
I_SS1
V_IN = V_OUT(S) +1.0 V
ON/OFF pin = ON, no load
80 160 µA
During
Shutdown
I_SS2
V_IN = V_OUT(S) + 1.0 V
ON/OFF pin = OFF, no load
0.1 1.0 µA
Short-Circuit Current
I_SHORT
V_IN = V_OUT(S) + 1.0 V
ON/OFF pin = ON, V_OUT = 0 V
350
mA
Dropout Voltage
V_D
V_OUT(S)=3.5V, I_OUT = 300mA
0.12 0.18 V
Temperature Coefficient of Output
Voltage
T_CV_O
V_IN = V_OUT(S) +1.0V
I_OUT = 10mA, -40°C≤ T_a ≤85°C
±150
ppm/°C
Power Supply Rejection
V_OUT(S)=3.5V, V_IN= V_OUT(S)+1.0 V
PSRR f = 1.0kHz, I_OUT = 100mA
65
dB
ΔV_rip = 0.5V_rms
Shutdown Pin Input
Voltage
High
Low
V_SH
V_IN = V_OUT(S) +1.0V
V_SL
V_IN = V_OUT(S) + 1.0V
1.5
V
0.3 V
Shutdown Pin Input
Current
Thermal Shutdown
Temperature
High
Low
Detection
Release
I_SH
V_IN = 6.5V, V_ON/OFF = 6.5V
I_SL
V_IN = 6.5V, V_ON/OFF = 0V
T_SD
Junction temperature
T_SR
Junction temperature
-0.1
0.1 µA
-0.1
0.1 µA
150
°C
120
°C
Notes: 1. V_OUT(S): Specified output voltage.
V_{OUT (E)}: Actual output voltage at the fixed load
When fixing I_OUT(= 100mA) and inputting V_OUT(S) + 1.0 V
2. This output current means the one at which the output voltage becomes 95% of V_OUT(E) after gradually
increasing the output current.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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