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TPS718XX Datasheet(PDF) 3 Page - Texas Instruments

Part No. TPS718XX
Description  Dual, 200mA Output, Low Noise, High PSRR Low-Dropout Linear Regulators in 2mm x 2mm SON Package
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS718XX Datasheet(HTML) 3 Page - Texas Instruments

 
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ELECTRICAL CHARACTERISTICS
TPS718xx
TPS719xx
SBVS088A – FEBRUARY 2007 – REVISED MARCH 2007
Over operating temperature range (T
J = –40°C to +125°C), VIN = VOUT(TYP) + 0.5V or 2.7V, whichever is greater;
I
OUT = 0.5mA, VEN1 = VEN2 = VIN, COUT = 1.0µF, unless otherwise noted. Typical values are at TJ = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range(1)
2.7
6.5
V
VOUT1, VOUT2
Output voltage range
0.9
3.6
V
Nominal
TJ = +25°C
±2.5
mV
VOUT1, VOUT2
Output accuracy
Over VIN, IOUT, VOUT + 0.5V ≤ VIN ≤ 6.5V
–3.0
+3.0
%
Temp
0mA
≤ I
OUT ≤ 200mA
VOUT(NOM) + 0.5V ≤ VIN ≤ 6.5V,
∆V
OUT/ ∆VIN
Line regulation
130
µV/V
IOUT = 5mA
∆V
OUT/ ∆IOUT
Load regulation
0mA
≤ I
OUT ≤ 200mA
75
µV/mA
Dropout voltage(2)
VDO
IOUT = 200mA
230
400
mV
(VIN = VOUT(NOM) – 0.1V)
ICL
Output current limit (per output)
VOUT = 0.9 × VOUT(NOM)
240
340
575
mA
IOUT1 = IOUT2 = 0.1mA
90
160
µA
IGND
Ground pin current
IOUT1 = IOUT2 = 200mA
250
µA
VEN1,2 ≤ 0.4V, 2.7V ≤ VIN < 4.5V,
0.3
3.0
µA
TJ = –40°C to +85°C
ISHDN
Shutdown current (IGND)
VEN1,2 ≤ 0.4V, 4.5V ≤ VIN ≤ 6.5V,
1.8
µA
TJ = –40°C to +85°C
f = 100Hz
63
dB
f = 1kHz
63
dB
Power-supply rejection ratio
PSRR
VIN = 3.8V, VOUT = 2.8V,
f = 10kHz
72
dB
IOUT = 200mA
f = 100kHz
58
dB
f = 1MHz
44
dB
Output noise voltage
VN
70
× V
OUT
µV
RMS
BW = 100Hz to 100kHz
RL = 14Ω, VOUT = 2.8V,
TSTR
Startup time(3)
160
µs
COUT = 1.0µF
Shutdown time(4), (5)
RL = ∞, COUT = 1.0µF,
TSHUT
180
µs
(TPS719xx only)
VOUT = 2.8V
VIN ≤ 5.5V
1.2
6.5
V
Enable high (enabled)
VEN(HI)
(EN1 and EN2)
5.5V < VIN ≤ 6.5V
1.25
6.5
V
Enable low (shutdown)
VEN(LO)
0
0.4
V
(EN1 and EN2)
Enable pin current, enabled
IEN
EN1 = EN2 = 6.5V
0.04
1.0
µA
(EN1 and EN2)
Under-voltage lockout
VIN rising
2.38
2.45
2.52
V
UVLO
Hysteresis
VIN falling
150
mV
Shutdown, temperature increasing
+160
°C
TSD
Thermal shutdown temperature
Reset, temperature decreasing
+140
°C
TJ
Operating junction temperature
–40
+125
°C
(1)
Minimum VIN = VOUT + VDO or 2.7V, whichever is greater.
(2)
VDO is not measured for devices with VOUT(NOM) < 2.8V because minimum VIN = 2.7V.
(3)
Time from VEN = 1.25V to VOUT = 95% (VOUT(NOM)).
(4)
Time from VEN = 0.4V to VOUT = 5% (VOUT(NOM)).
(5)
See Shutdown section in the Applications Information for more details.
3
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