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TPS7233QPWLE Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS7233QPWLE
Description  MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS7233QPWLE Datasheet(HTML) 7 Page - Texas Instruments

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TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7201Q electrical characteristics, IO = 10 mA, VI = 3.5 V, EN = 0 V, CO = 4.7 µF (CSR= 1 Ω), FB
shorted to OUT at device leads (unless otherwise noted)
PARAMETER
TEST CONDITIONS‡
TJ
TPS7201Q
UNIT
PARAMETER
TEST CONDITIONS‡
TJ
MIN
TYP
MAX
UNIT
Reference voltage (measured
VI = 3.5 V,
IO = 10 mA
25
°C
1.188
V
g(
at FB with OUT connected to
FB)
3 V
≤ VI ≤ 10 V,
See Note 2
5 mA
≤ IO ≤ 250 mA,
–40
°C to 125°C
1.152
1.224
V
Reference voltage
temperature coefficient
–40
°C to 125°C
31
75
ppm/
°C
VI = 2.4 V,§
50
µA ≤ IO ≤ 100 mA
25
°C
2.1
VI = 2.4 V,§
100 mA
≤ IO ≤ 200 mA
25
°C
2.9
Pass-element series
VI =2 9V
50
µA ≤ IO ≤ 250 mA
25
°C
1.6
2.7
resistance (see Note 3)
VI = 2.9 V,
50
µA ≤ IO ≤ 250 mA
–40
°C to 125°C
4.5
VI = 3.9 V,
50
µA ≤ IO ≤ 250 mA
25
°C
1
VI = 5.9 V,
50
µA ≤ IO ≤ 250 mA
25
°C
0.8
Input regulation
VI = 3 V to 10 V,
50
µA ≤ IO ≤ 250 mA,
25
°C
23
mV
Input regulation
I
,
See Note 2
µ
O
,
–40
°C to 125°C
36
mV
IO = 5 mA to 250 mA,
3 V
≤ VI ≤ 10 V,
25
°C
15
25
Output regulation
O
,
See Note 2
I
,
–40
°C to 125°C
36
mV
Output regulation
IO = 50 µA to 250 mA, 3 V ≤ VI ≤ 10 V,
25
°C
17
27
mV
O
µ
,
See Note 2
I
,
–40
°C to 125°C
43
IO =50 µA
25
°C
49
60
Ripple rejection
f = 120 Hz
IO = 50 µA
–40
°C to 125°C
32
dB
Ripple rejection
f = 120 Hz
IO = 250 mA,
25
°C
45
50
dB
O
,
See Note 2
–40
°C to 125°C
30
Output noise spectral density
f = 120 Hz
25
°C
2
µV/√Hz
10 H
≤ f ≤ 100 kH
CO = 4.7 µF
25
°C
235
Output noise voltage
10 Hz
≤ f ≤ 100 kHz,
CSR† =1
CO = 10 µF
25
°C
190
µVrms
CSR† = 1
CO = 100 µF
25
°C
125
PG trip-threshold voltage¶
VFB voltage decreasing from above VPG
–40
°C to 125°C
0.95
×
VFB(nom)
V
PG hysteresis voltage¶
Measured at VFB
25
°C
12
mV
PG output low voltage¶
IPG = 400 µA
VI = 2 13 V
25
°C
0.1
0.4
V
PG output low voltage¶
IPG = 400 µA,
VI = 2.13 V
–40
°C to 125°C
0.4
V
FB input current
25
°C
–10
0.1
10
nA
FB input current
–40
°C to 125°C
–20
20
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.
§ This voltage is not recommended.
¶ Output voltage programmed to 2.5 V with closed-loop configuration (see application information).
NOTES:
2. When VI < 2.9 V and IO > 100 mA simultaneously, pass element rDS(on) increases (see Figure 10) to a point such that the resulting
dropout voltage prevents the regulator from maintaining the specified tolerance range.
3. 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 Figures 10 and 11.


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