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TPS79530DCQG4 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS79530DCQG4
Description  Ultralow-Noise, High-PSRR, Fast, RF, 500-mA Low-Dropout Linear Regulators
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS79530DCQG4 Datasheet(HTML) 5 Page - Texas Instruments

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TPS795
www.ti.com
SLVS350I – OCTOBER 2002 – REVISED MAY 2015
6.5 Electrical Characteristics
Over recommended operating temperature range (TJ = –40°C to 125°C), VEN = VIN, VIN = VOUT(nom) + 1 V
(1), I
OUT = 1 mA,
COUT = 10 μF, CNR = 0.01 μF, unless otherwise noted. Typical values are at 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage(1)
2.7
5.5
V
VFB
Internal reference (TPS79501)
1.200
1.225
1.25
V
IOUT
Continuous output current
0
500
mA
Output voltage range
TPS79501
1.225
5.5 – VDO
V
0
μA ≤ IOUT ≤ 500 mA,
TPS79501(2)
0.98VOUT(nom)
VOUT(nom)
1.02VOUT(nom)
V
VOUT
VOUT(nom) + 1 V ≤ VIN ≤ 5.5 V
(1)
Accuracy
0
μA ≤ IOUT ≤ 500 mA,
Fixed VOUT < 5 V
–2%
2%
VOUT(nom) + 1 V ≤ VIN ≤ 5.5 V
(1)
ΔVO(ΔVI)
Line regulation(1)
VOUT + 1 V ≤ VIN ≤ 5.5 V
0.05
0.12
%/V
ΔVO(ΔIO)
Load regulation
0
μA ≤ IOUT ≤ 500 mA
3
mV
TPS79530
IOUT = 500 mA
110
170
Dropout voltage(3)
VDO
mV
(VIN = VOUT(nom) – 0.1 V)
TPS79533
IOUT = 500 mA
105
160
ICL
Output current limit
VOUT = 0 V
2.4
2.8
4.2
A
IGND
Ground pin current
0
μA ≤ IOUT ≤ 500 mA
265
385
μA
ISHDN
Shutdown current(4)
VEN = 0 V, 2.7 V ≤ VIN ≤ 5.5 V
0.07
1
μA
IFB
Feedback pin current
VFB = 1.225 V
1
µA
f = 100 Hz, IOUT = 10 mA
59
f = 100 Hz, IOUT = 500 mA
58
PSRR
Power-supply rejection ratio (TPS79530)
dB
f = 10 kHz, IOUT = 500 mA
50
f = 100 kHz, IOUT = 500 mA
39
CNR = 0.001 μF
46
BW = 100 Hz to
CNR = 0.0047 µF
41
Vn
Output noise voltage (TPS79530)
100 kHz,
μVRMS
CNR = 0.01 μF
35
IOUT = 500 mA
CNR = 0.1 μF
33
CNR = 0.001 μF
50
Start-up time (TPS79530)
RL = 6 Ω, COUT = 1 µF
CNR = 0.0047 μF
75
μs
CNR = 0.01 μF
110
VEN(HI)
Enable high (enabled)
2.7 V
≤ VIN ≤ 5.5 V
1.7
VIN
V
VEN(LO)
Enable low (shutdown)
2.7 V
≤ VIN ≤ 5.5 V
0.7
V
IEN(HI)
Enable pin current, enabled
VEN = 0 V
–1
1
μA
Undervoltage lockout
VCC rising
2.25
2.65
V
UVLO
Hysteresis
100
mV
Shutdown, temperature increasing
165
Tsd
Thermal shutdown temperature
°C
Reset, temperature decreasing
140
TJ
Operating junction temperature
–40
125
°C
(1)
Minimum VIN is 2.7 V or VOUT + VDO, whichever is greater.
(2)
Tolerance of external resistors not included in this specification.
(3)
Dropout is not measured for the TPS79501 and TPS79525 because minimum VIN = 2.7 V.
(4)
For adjustable version, this applies only after VIN is applied; then VEN transitions high to low.
Copyright © 2002–2015, Texas Instruments Incorporated
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