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TPS76301, TPS76316, TPS76318, TPS76325, TPS76327
TPS76328, TPS76330, TPS76333, TPS76338, TPS76350
LOW POWER 150 mA LOW DROPOUT LINEAR REGULATORS
SLVS181H − DECEMBER 1998 − REVISED JANUARY 2004
TYPICAL CHARACTERISTICS
TPS76325
OUTPUT IMPEDANCE
vs
FREQUENCY
10
600
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
VI = EN = 2.7 V
CI = CO = 4.7
µF
500
VDO − Dropout Voltage − mV
Zo − Output Impedance −
Ω
400
150 mA
IO = 1 mA
1
300
200
0 mA
100
1 mA
IO = 150 mA
CI = CO = 4.7
µF
ESR = 1
Ω
TJ = 25°C
0.1
0.01
0.1
1
10
100
1000
0
−55 −35
−15
5
25
45
65
85
105
125
f − Frequency − kHz
TJ − Junction Temperature −
°C
Figure 9
Figure 10
TPS76325
RIPPLE REJECTION
vs
FREQUENCY
70
60
50
Ripple Rejection − dB
40
30
20
10
0
−10
10
CO = 4.7
µF
ESR = 1
Ω
TJ = 25°C
100
1k
10 k
100 k
1M
10 M
IO = 150 mA
IO = 1 mA
f − Frequency − Hz
Figure 11
9
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