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TPS73233DCQR Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS73233DCQR
Description  250-mA Low-Dropout Regulator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS73233DCQR Datasheet(HTML) 6 Page - Texas Instruments

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TPS732
SBVS037P – AUGUST 2003 – REVISED DECEMBER 2015
www.ti.com
6.5 Electrical Characteristics
Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 0.5 V
(1), I
OUT = 10 mA, VEN = 1.7 V, and COUT =
0.1
μF, unless otherwise noted. Typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range(1)
1.7
5.5
V
VFB
Internal reference (TPS73201)
TJ = 25°C
1.198
1.2
1.21
V
Output voltage range (TPS73201)(2)
VFB
5.5 – VDO
V
Nominal
TJ = 25°C
–0.5%
0.5%
VOUT
Accuracy(1)(3)
VOUT + 0.5 V ≤ VIN ≤ 5.5 V;
VIN, IOUT, and T
–1%
±0.5%
1%
10 mA
≤ IOUT ≤ 250 mA
ΔVOUT(ΔVIN)
Line regulation(1)
VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V
0.01
%/V
1 mA
≤ IOUT ≤ 250 mA
0.002
%/mA
ΔVOUT(ΔIOUT)
Load regulation
10 mA
≤ IOUT ≤ 250 mA
0.0005
%/mA
Dropout voltage(4)
VDO
IOUT = 250 mA
40
150
mV
(VIN = VOUT (nom) – 0.1 V)
ZO(do)
Output impedance in dropout
1.7 V
≤ VIN ≤ VOUT + VDO
0.25
ICL
Output current limit
VOUT = 0.9 × VOUT(nom)
250
425
600
mA
ISC
Short-circuit current
VOUT = 0 V
300
mA
IREV
Reverse leakage current(5) (–IIN)
VEN ≤ 0.5 V, 0 V ≤ VIN ≤ VOUT
0.1
10
μA
IOUT = 10 mA (IQ)
400
550
IGND
GND pin current
μA
IOUT = 250 mA
650
950
VEN ≤ 0.5 V, VOUT ≤ VIN ≤ 5.5,
ISHDN
Shutdown current (IGND)
0.02
1
µA
–40°C
≤ TJ ≤ 100°C
IFB
FB pin current (TPS73201)
0.1
0.3
μA
f = 100 Hz, IOUT = 250 mA
58
Power-supply rejection ratio
PSRR
dB
(ripple rejection)
f = 10 kHz, IOUT = 250 mA
37
COUT = 10 μF, No CNR
27 × VOUT
Output noise voltage
Vn
μVRMS
BW = 10Hz – 100kHz
COUT = 10 μF, CNR = 0.01 μF
8.5 × VOUT
VEN(high)
EN pin high (enabled)
1.7
VIN
V
VEN(low)
EN pin low (shutdown)
0
0.5
V
IEN(high)
EN pin current (enabled)
VEN = 5.5 V
0.02
0.1
μA
Shutdown
Temp increasing
160
TSD
Thermal shutdown temperature
°C
Reset
Temp decreasing
140
TJ
Operating junction temperature
–40
125
°C
(1)
Minimum VIN = VOUT + VDO or 1.7 V, whichever is greater.
(2)
TPS73201 is tested at VOUT = 2.5 V.
(3)
Tolerance of external resistors not included in this specification.
(4)
VDO is not measured for fixed output versions with VOUT(nom) < 1.8 V because minimum VIN = 1.7 V.
(5)
Fixed-voltage versions only; refer to Application Information section for more information.
6.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOUT = 3 V, RL = 30 Ω
600
tSTR
Start-up time
μs
COUT = 1 μF, CNR = 0.01 μF
6
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Product Folder Links: TPS732


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