TPS76901, TPS76912, TPS76915, TPS76918, TPS76925
TPS76927, TPS76928, TPS76930, TPS76933, TPS76950
ULTRALOW-POWER 100-mA LOW-DROPOUT LINEAR REGULATORS
SLVS203D – JUNE 1999 – REVISED APRIL 2000
electrical characteristics over recommended operating free-air temperature range,
V
I
= V
O(typ)
+ 1 V, I
O
= 100 mA, EN = 0 V, C
O
= 4.7
µ
F (unless otherwise noted) (continued)
PARAMETER
FB input current
High level enable input voltage
Low level enable input voltage
Power supply ripple rejection
Input current (EN)
TEST CONDITIONS
FB = 1.224 V (TPS76901)
2.7 V < VI < 10 V
2.7 V < VI < 10 V
f = 1 kHz,
TJ = 25°C,
EN = 0 V
EN = VI
IO = 50 mA,
IO = 50 mA,
IO = 100 mA,
IO = 100 mA,
IO = 50 mA,
IO = 50 mA,
IO = 100 mA,
IO = 100 mA,
IO = 50 mA,
IO = 50 mA,
IO = 100 mA,
IO = 100 mA,
IO = 50 mA,
IO = 50 mA,
IO = 100 mA,
IO = 100 mA,
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
TJ = 25°C
TJ = –40°C to 125°C
CO = 10
µF,
See Note 4
–1
–1
60
125
122
245
57
115
115
230
48
100
98
200
35
85
71
170
mV
60
0
1
1
MIN
–1
1.7
0.9
TYP
MAX
1
UNIT
µA
V
V
dB
µA
µA
TPS76928
TPS76930
Dropout voltage (See Note 6)
TPS76933
TPS76950
NOTES: 4. Minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum IN voltage 10 V, minimum output current
10
µA,
maximum output current 100 mA.
6. IN voltage equals VO(Typ) – 100mV; TPS76901 output voltage set to 3.3V nominal with external resistor divider. TPS76912,
TPS76915, TPS76918, TPS76925, and TPS76927 dropout voltage limited by input voltage range limitations.
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
VO
Output voltage
Ground current
Output spectral noise density
Zo
VDO
Output impedance
Dropout voltage
Ripple rejection
LDO startup time
Line transient response
Load transient response
Equivalent series resistance (ESR)
vs Output current
vs Added ceramic capacitance
vs Output current
vs Free-air temperature
vs Free-air temperature
vs Frequency
vs Frequency
vs Free-air temperature
vs Frequency
1, 2, 3
4, 5, 6
7
8
9
10
11
12
13, 15
14, 16
17, 19
18, 20
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5