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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
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G NOVEMBER 1994 REVISED JANUARY 2003
electrical characteristics at IO = 10 mA, EN = 0 V, CO = 4.7 µF/CSR= 1 , TJ = 25°C, SENSE/FB
shorted to OUT (unless otherwise noted)
PARAMETER
Ground current (active mode)
Output current limit
PG leakage current
Thermal shutdown junction temperature
EN hysteresis voltage
Minimum VI for active pass element
Minimum VI for valid PG
TEST CONDITIONS
EN 0.5 V,
0 mA IO 500 mA
VO = 0,
Normal operation,
VI = VO + 1 V,
VI = 10 V
VPG = 10 V
IPG = 300 µA
TPS7101Y, TPS7133Y
TPS7148Y, TPS7150Y
MIN TYP MAX
UNIT
285
µA
1.2
A
0.02
µA
165
°C
50
mV
2.05
V
1.06
V
PARAMETER
TEST CONDITIONS
TPS7101Y
UNIT
MIN TYP MAX
Reference voltage (measured at FB with OUT
connected to FB)
VI = 3.5 V,
IO = 10 mA
1.178
V
Pass-element series resistance (see Note 2)
Input regulation
VI = 2.4 V,
VI = 2.4 V,
VI = 2.9 V,
VI = 3.9 V,
VI = 5.9 V,
VI = 2.5 V to 10 V,
See Note 1
50 µA IO 150 mA
150 mA IO 500 mA
50 µA IO 500 mA
50 µA IO 500 mA
50 µA IO 500 mA
50 µA IO 500 mA,
0.7
0.83
0.52
0.32
0.23
18 mV
Output regulation
2.5 V VI 10 V,
See Note 1
2.5 V VI 10 V,
See Note 1
IO = 5 mA to 500 mA,
IO = 50 µA to 500 mA,
14 mV
22 mV
Ripple rejection
VI = 3.5 V,
IO = 50 µA
f = 120 Hz,
59
dB
Output noise-spectral density
Output noise voltage
PG hysteresis voltage§
PG output low voltage§
VI = 3.5 V,
VI = 3.5 V,
10 Hz f 100 kHz,
CSR= 1
VI = 3.5 V,
VI = 2.13 V,
f = 120 Hz
CO = 4.7 µF
CO = 10 µF
CO = 100 µF
Measured at VFB
IPG = 400 µA
2
µV/Hz
95
89
µVrms
74
12
mV
0.1
V
FB input current
VI = 3.5 V
VI = 3.5 V
0.1
nA
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
11
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