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TPS73718DCQRG4 Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPS73718DCQRG4
Description  1-A Low-Dropout Regulator With Reverse Current Protection
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TPS737
www.ti.com
SBVS067Q – JANUARY 2006 – REVISED MAY 2015
6.5 Electrical Characteristics
Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 1 V
(1), I
OUT = 10 mA, VEN = 2.2 V, and
COUT = 2.2 μF, unless otherwise noted. Typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range(1)(2)
2.2
5.5
V
Internal reference
TJ = 25°C
1.198
1.204
1.21
(DCQ package)
VFB
V
Internal reference
TJ = 25°C
1.192
1.204
1.216
(DRB and DRV packages)
Output voltage range
VFB
5.5 – VDO
V
(TPS73701)(3)
Nominal
TJ = 25°C
–1
1
5.36 V < VIN < 5.5 V, VOUT = 5.08
V,
VOUT
10 mA < IOUT < 800 mA,
–2
2
Accuracy(1),(4)
V
–40°C < TJ < 85°C,
TPS73701 (DCQ)
Over VIN, IOUT,
VOUT + 0.5 V ≤ VIN ≤ 5.5 V;
–3
±0.5%
3
and T
10 mA
≤ IOUT ≤ 1 A
ΔVOUT(ΔVIN)
Line regulation(1)
VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V
0.01
%/V
1 mA
≤ IOUT ≤ 1 A
0.002
ΔVOUT(ΔIOUT)
Load regulation
%/mA
10 mA
≤ IOUT ≤ 1 A
0.0005
Dropout voltage(5)
VDO
IOUT = 1 A
130
500
mV
(VIN = VOUT(nom) – 0.1 V)
ZOUT(DO)
Output impedance in dropout
2.2 V
≤ VIN ≤ VOUT + VDO
0.25
ICL
Output current limit
VOUT = 0.9 × VOUT(nom)
1.05
1.6
2.2
A
IOS
Short-circuit current
VOUT = 0 V
450
mA
IREV
Reverse leakage current(6) (–IIN)
VEN ≤ 0.5 V, 0 V ≤ VIN ≤ VOUT
0.1
μA
IOUT = 10 mA
400
IGND
GND pin current
μA
IOUT = 1 A
1300
ISHDN
Shutdown current [IGND]
VEN ≤ 0.5 V, VOUT ≤ VIN ≤ 5.5
20
nA
IFB
FB pin current (TPS73701)
0.1
0.6
μA
f = 100 Hz, IOUT = 1 A
58
Power-supply rejection ratio
PSRR
dB
(ripple rejection)
f = 10 kHz, IOUT = 1 A
37
Output noise voltage
Vn
COUT = 10 μF
27 × VOUT
μVRMS
BW = 10 Hz to 100 kHz
VOUT = 3 V, RL = 30 Ω, COUT = 1
tSTR
Start-up time
600
μs
μF
VEN(HI)
EN pin high (enabled)
1.7
VIN
V
VEN(LO)
EN pin low (shutdown)
0
0.5
V
IEN(HI)
EN pin current (enabled)
VEN = 5.5 V
20
nA
Shutdown, temperature increasing
160
Tsd
Thermal shutdown temperature
°C
Reset, temperature decreasing
140
TJ
Operating junction temperature
–40
125
°C
(1)
Minimum VIN = VOUT + VDO or 2.2 V, whichever is greater.
(2)
For VOUT(nom) < 1.6 V, when VIN ≤ 1.6V, the output locks to VIN and may result in an over-voltage condition on the output. To avoid this
situation, disable the device before powering down VIN.
(3)
TPS73701 is tested at VOUT = 1.2 V.
(4)
Tolerance of external resistors not included in this specification.
(5)
VDO is not measured for fixed output versions with VOUT(nom) < 2.3 V because minimum VIN = 2.2 V.
(6)
Fixed-voltage versions only; refer to the Application Information section for more information.
Copyright © 2006–2015, Texas Instruments Incorporated
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