TC1173 Datasheet, PDF (5/7 Pages) TelCom Semiconductor, Inc – 300mA CMOS LDO with Shutdown, ERROR Output and Bypass

300mA CMOS LDO With Shutdown,
ERROR Output, And Bypass
TYPICAL CHARACTERISTICS
0.012
Line Regulation
0.010
0.008
0.006
0.004
0.002
0.000
–0.002
–0.004
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
100.0
90.0
Supply Current
80.0
70.0
60.0
50.0
40.0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
–30dB
–35dB
–40dB
Power Supply Rejection Ratio
V_OUT = 5V
R_LOAD = 50Ω
V_INAC = 50mV p-p
–45dB
–50dB
–55dB
–60dB
C_OUT = 1µF
–65dB
–70dB
–75dB
–80dB
10 100 1K 10K 100K 1M
FREQUENCY (KHz)
TC1173
10.0
1.0
Output Noise
R_LOAD = 50Ω
C_OUT = 1µF
0.1
0.0
0.01
0.01 1
10 100
FREQUENCY (KHz)
1000
0.40
0.35
0.30
0.25
0.20
0.15
Dropout Voltage vs. Load Current
125°C
85°C
70°C
25°C
0°C
0.10
0.05
–40°C
0.00
0
50 100 150 200 250 300
LOAD CURRENT (mA)
2.00
1.80
Load Regulation
1.60
1.40
1 to 300mA
1.20
1.00
0.80
0.60
1 to 100mA
0.40
1 to 50mA
0.20
0.00
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
3.075
VOUT vs. Temperature
V_IN = 4V
I_LOAD = 100µA
C_LOAD = 3.3µF
3.025
2.975
2.925
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
TC1173-2 2/2/00
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