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TLV70230DBVR Datasheet(PDF) 3 Page - Texas Instruments

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Part # TLV70230DBVR
Description  300-mA, Low-IQ, Low-Dropout Regulator High PSRR: 68 dB at 1 kHz
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TLV70230DBVR Datasheet(HTML) 3 Page - Texas Instruments

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TLV702xx
www.ti.com
SLVSAG6B
– SEPTEMBER 2010 – REVISED FEBRUARY 2011
ELECTRICAL CHARACTERISTICS
At VIN = VOUT(TYP) + 0.5 V or 2.0 V (whichever is greater); IOUT = 10 mA, VEN = 0.9 V, COUT = 1.0 μF, and TJ = –40°C to
+125
°C, unless otherwise noted. Typical values are at TJ = +25°C.
SPACE
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range
2.0
5.5
V
VOUT
DC output accuracy
–40°C ≤ TJ ≤ +125°C
–2
0.5
+2
%
VOUT(NOM) + 0.5 V ≤ VIN ≤ 5.5 V,
ΔVO/ΔVIN
Line regulation
1
5
mV
IOUT = 10 mA
ΔVO/ΔIOUT
Load regulation
0 mA
≤ IOUT ≤ 300 mA
1
15
mV
VIN = 0.98 × VOUT(NOM), IOUT = 50 mA,
37
mV
VOUT = 2.8 V
VIN = 0.98 × VOUT(NOM), IOUT = 100 mA,
VDO
Dropout voltage(1)
75
mV
VOUT = 2.8 V
VIN = 0.98 × VOUT(NOM), IOUT = 300 mA,
260
375
mV
VOUT = 2.35 V
ICL
Output current limit
VOUT = 0.9 × VOUT(NOM)
320
500
860
mA
IOUT = 0 mA
35
55
μA
IGND
Ground pin current
IOUT = 300 mA, VIN = VOUT + 0.5 V
370
μA
VEN ≤ 0.4 V, VIN = 2.0 V
400
nA
ISHDN
Ground pin current (shutdown)
VEN ≤ 0.4 V, 2.0 V ≤ VIN ≤ 4.5 V,
1
2
μA
TJ = –40°C to +85°C
VIN = 2.3 V, VOUT = 1.8 V,
PSRR
Power-supply rejection ratio
68
dB
IOUT = 10 mA, f = 1 kHz
BW = 100 Hz to 100 kHz,
VN
Output noise voltage
48
μVRMS
VIN = 2.3 V, VOUT = 1.8 V, IOUT = 10 mA
tSTR
Startup time(2)
COUT = 1.0 μF, IOUT = 300 mA
100
μs
VEN(HI)
Enable pin high (enabled)
0.9
VIN
V
VEN(LO)
Enable pin low (disabled)
0
0.4
V
IEN
Enable pin current
VIN = VEN = 5.5 V
0.04
μA
UVLO
Undervoltage lockout
VIN rising
1.9
V
Active pulldown resistance
RDISCHARGE
VEN = 0 V
120
Ω
(TLV702xxP only)
Shutdown, temperature increasing
+165
°C
TSD
Thermal shutdown temperature
Reset, temperature decreasing
+145
°C
TJ
Operating junction temperature
–40
+125
°C
(1)
VDO is measured for devices with VOUT(NOM) ≥ 2.35 V.
(2)
Startup time = time from EN assertion to 0.98
× VOUT(NOM).
© 2010–2011, Texas Instruments Incorporated
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