Datasheet

TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003
20
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 25
0.4
0.3
0.2
0.1
2457
– Pass-Element Resistance –
0.5
PASS-ELEMENT RESISTANCE
vs
INPUT VOLTAGE
0.6
910
368
T
A
= 25°C
V
I(FB)
= 1.12 V
r
DS(on)
Ω
V
I
– Input Voltage – V
1
0.9
0.8
0.7
1.1
I
O
= 500 mA
I
O
= 100 mA
Figure 26
0.8
0.6
0.5
0.4
1
1.1
DIVIDER RESISTANCE
vs
FREE-AIR TEMPERATURE
1.2
0.9
0.7
–50 –25 0 25 50 75 100 125
TPS7150
TPS7148
TPS7133
V
I
= V
O(nom)
+ 1 V
V
I(sense)
= V
O(nom)
Ω
T
A
– Free-Air Temperature – °C
R – Divider Resistance – M
Figure 27
5.2
4.8
4.6
4.4
–
Sense
Pin
C
u
rrent
–
5.6
5.8
FIXED-OUTPUT VERSIONS
SENSE PIN CURRENT
vs
FREE-AIR TEMPERATURE
6
5.4
5
–50 –25 0 25 50 75 100 125
V
I
= V
O(nom)
+ 1 V
V
I(sense)
= V
O(nom)
I
I(
sense
)
Aµ
T
A
– Free-Air Temperature – °C
Figure 28
0.3
0.2
0.1
0
FB Leakage Current – nA
0.4
0.5
ADJUSTABLE VERSION
FB LEAKAGE CURRENT
vs
FREE-AIR TEMPERATURE
0.6
–50 –25 0 25 50 75 100 125
V
FB
= 2.5 V
T
A
– Free-Air Temperature – °C