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7101Q View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
7101Q LOW-DROPOUT VOLTAGE REGULATORS Texas-Instruments
Texas Instruments Texas-Instruments
7101Q Datasheet PDF : 39 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G NOVEMBER 1994 REVISED JANUARY 2003
TPS7101 electrical characteristics at IO = 10 mA, VI = 3.5 V, EN = 0 V, CO = 4.7 µF/CSR= 1 , FB
shorted to OUT at device leads (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TPS7101Q
TJ
UNIT
MIN TYP MAX
Reference voltage (measured at FB VI = 3.5 V,
with OUT connected to FB)
2.5 V VI 10 V,
See Note 1
IO = 10 mA
25°C
1.178
V
5 mA IO 500 mA, 40°C to 125°C 1.143
1.213 V
Reference voltage temperature
coefficient
40°C to 125°C
61
75 ppm/°C
VI = 2.4 V,
50 µA IO 150 mA
25°C
40°C to 125°C
0.7
1
1
Pass-element series resistance
(see Note 2)
VI = 2.4 V,
VI = 2.9 V,
150 mA IO 500
mA
50 µA IO 500 mA
25°C
40°C to 125°C
25°C
40°C to 125°C
0.83 1.3
1.3
0.52 0.85
0.85
Input regulation
VI = 3.9 V,
VI = 5.9 V,
VI = 2.5 V to 10 V,
See Note 1
50 µA IO 500 mA
50 µA IO 500 mA
50 µA IO 500 mA,
25°C
25°C
25°C
40°C to 125°C
0.32
0.23
18
mV
25
Output regulation
IO = 5 mA to 500 mA, 2.5 V VI 10 V,
See Note 1
IO = 50 µA to 500 mA, 2.5 V VI 10 V,
See Note 1
25°C
40°C to 125°C
25°C
40°C to 125°C
14
mV
25
22
mV
54
Ripple rejection
f = 120 Hz
IO = 50 µA
25°C
48
59
40°C to 125°C
44
dB
IO = 500 mA,
25°C
45
54
See Note 1
40°C to 125°C
44
Output noise-spectral density
f = 120 Hz
25°C
2
µV/Hz
Output noise voltage
PG trip-threshold voltage§
PG hysteresis voltage§
PG output low voltage§
10 Hz f 100 kHz,
CSR= 1
CO = 4.7 µF
CO = 10 µF
CO = 100 µF
VFB voltage decreasing from above VPG
Measured at VFB
IPG = 400 µA,
VI = 2.13 V
25°C
25°C
25°C
40°C to 125°C
25°C
25°C
40°C to 125°C
1.101
95
89
µVrms
74
1.145 V
12
mV
0.1 0.4
V
0.4
FB input current
25°C
10 0.1
40°C to 125°C 20
10
nA
20
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to CO.
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.
§ Output voltage programmed to 2.5 V with closed-loop configuration (see application information).
NOTES: 1. When VI < 2.9 V and IO > 150 mA simultaneously, pass element rDS(on) increases (see Figure 27) to a point such that the resulting
dropout voltage prevents the regulator from maintaining the specified tolerance range.
2. To calculate dropout voltage, use equation:
VDO = IO rDS(on)
rDS(on) is a function of both output current and input voltage. The parametric table lists rDS(on) for VI = 2.4 V, 2.9 V, 3.9 V, and
5.9 V, which corresponds to dropout conditions for programmed output voltages of 2.5 V, 3 V, 4 V, and 6 V, respectively. For other
programmed values, refer to Figure 26.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
7
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