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TPS7150QDRG4 Datasheet(PDF) 11 Page - Texas Instruments

Part # TPS7150QDRG4
Description  LOW-DROPOUT VOLTAGE REGULATORS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
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TPS7150QDRG4 Datasheet(HTML) 11 Page - Texas Instruments

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TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at IO = 10 mA, EN = 0 V, CO = 4.7 µF/CSR= 1 Ω, TJ = 25°C, SENSE/FB
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS‡
TPS7101Y, TPS7133Y
TPS7148Y, TPS7150Y
UNIT
MIN
TYP
MAX
Ground current (active mode)
EN
≤ 0.5 V,
0 mA
≤ IO ≤ 500 mA
VI = VO + 1 V,
285
µA
Output current limit
VO = 0,
VI = 10 V
1.2
A
PG leakage current
Normal operation,
VPG = 10 V
0.02
µA
Thermal shutdown junction temperature
165
°C
EN hysteresis voltage
50
mV
Minimum VI for active pass element
2.05
V
Minimum VI for valid PG
IPG = 300 µA
1.06
V
PARAMETER
TEST CONDITIONS‡
TPS7101Y
UNIT
PARAMETER
TEST CONDITIONS‡
MIN
TYP
MAX
UNIT
Reference voltage (measured at FB with OUT
connected to FB)
VI = 3.5 V,
IO = 10 mA
1.178
V
VI = 2.4 V,
50
µA ≤ IO ≤ 150 mA
0.7
VI = 2.4 V,
150 mA
≤ IO ≤ 500 mA
0.83
Pass-element series resistance (see Note 2)
VI = 2.9 V,
50
µA ≤ IO ≤ 500 mA
0.52
VI = 3.9 V,
50
µA ≤ IO ≤ 500 mA
0.32
VI = 5.9 V,
50
µA ≤ IO ≤ 500 mA
0.23
Input regulation
VI = 2.5 V to 10 V,
See Note 1
50
µA ≤ IO ≤ 500 mA,
18
mV
Output regulation
2.5 V
≤ VI ≤ 10 V,
See Note 1
IO = 5 mA to 500 mA,
14
mV
Output regulation
2.5 V
≤ VI ≤ 10 V,
See Note 1
IO = 50 µA to 500 mA,
22
mV
Ripple rejection
VI = 3.5 V,
IO = 50 µA
f = 120 Hz,
59
dB
Output noise-spectral density
VI = 3.5 V,
f = 120 Hz
2
µV/√Hz
VI = 3.5 V,
CO = 4.7 µF
95
Output noise voltage
VI = 3.5 V,
10 Hz
≤ f ≤ 100 kHz,
CO = 10 µF
89
µVrms
CSR† = 1
CO = 100 µF
74
PG hysteresis voltage§
VI = 3.5 V,
Measured at VFB
12
mV
PG output low voltage§
VI = 2.13 V,
IPG = 400 µA
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.


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