TPS71719

Manufacturer Part NumberTPS71719
DescriptionThe TPS717xx family of low-dropout (LDO), low-power linear regulators offers very high power supply rejection (PSRR) while maintaining very low 45µA ground current in an ultra-small, five-pin SC70 package
ManufacturerTexas Instruments
TPS71719 datasheet
 


Specifications of TPS71719

Iout(max)(a)0.1Vdo(typ)(mv)170
Iq(typ)(ma)0.05Vin(min)(v)2.5
Vin(max)(v)6.5Vout Adj(min)(v)1.9
Vout Adj(max)(v)1.9Accuracy(%)3
Output Capacitor TypeCeramicFixed Output Options(v)1.9
Vout(min)(v)1.9Vout(max)(v)1.9
Pin/package5SC70Regulated Outputs(#)1
1
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ELECTRICAL CHARACTERISTICS
Over operating temperature range (T
= –40°C to +125°C), V
J
I
= 0.5mA, V
= V
, C
= 1.0 F, C
OUT
EN
IN
OUT
Typical values are at T
= +25°C.
J
PARAMETER
(1)
V
Input voltage range
IN
V
Internal reference (TPS71701)
FB
Output voltage range (TPS717xx)
V
OUT
Output voltage range (TPS71701)
Output accuracy
Nominal
Output accuracy
Over V
V
(V
< 1.0V)
Temp
OUT
OUT
Output accuracy
Over V
(V
≥ 1.0V)
Temp
OUT
(1)
ΔV
/ ΔV
Line regulation
OUT
IN
ΔV
/ ΔI
Load regulation
OUT
OUT
(3)
Dropout voltage
V
DO
(V
= V
– 0.1V)
IN
OUT(NOM)
I
(Fixed)
Output current limit (fixed output)
CL
I
(Adjustable)
Output current limit (TPS71701)
CL
I
Ground pin current
GND
Shutdown current
I
SHDN
(I
)
GND
I
Feedback pin current (TPS71701)
FB
Power-supply rejection ratio
PSRR
V
= 3.8V, V
= 2.8V,
IN
OUT
I
= 150mA
OUT
Output noise voltage
BW = 100Hz to 100kHz,
V
N
V
= 3.8V, V
= 2.8V,
IN
OUT
I
= 10mA
OUT
Startup time
T
V
= 90% V
,
STR
OUT
OUT(NOM)
R
= 19Ω, C
= 1.0 F
L
OUT
V
Enable high (enabled)
EN(HI)
V
Enable low (shutdown)
EN(LO)
I
Enable pin current, enabled
EN(HI)
Under-voltage lockout
UVLO
Hysteresis
T
Thermal shutdown temperature
SD
T
Operating junction temperature
J
(1) Minimum V
= V
+ V
or 2.5V, whichever is greater.
IN
OUT
DO
(2) Does not include external resistor tolerances.
(3) V
is not measured for devices with V
DO
OUT(NOM)
(4) Maximum V
= V
+ 0.3 or 6.5V, whichever is smaller.
EN(HI)
IN
Copyright © 2006–2009, Texas Instruments Incorporated
= V
+ 0.5V or 2.5V, whichever is greater;
IN
OUT(TYP)
= 0.01 F, unless otherwise noted. For TPS71701, V
NR
TEST CONDITIONS
T
= +25°C
J
, I
,
V
+ 0.5V ≤ V
≤ 6.5V
IN
OUT
OUT
IN
(2)
0mA ≤ I
≤ 150mA
OUT
, I
,
V
+ 0.5V ≤ V
≤ 6.5V
IN
OUT
OUT
IN
(2)
0mA ≤ I
≤ 150mA
OUT
V
+ 0.5V ≤ V
≤ 6.5V,
OUT(NOM)
IN
I
= 5mA
OUT
0mA ≤ I
≤ 150mA
OUT
I
= 150mA
OUT
V
= 0.9 × V
OUT
OUT(NOM)
V
= 0.9 × V
OUT
OUT(NOM)
I
= 0.1mA
OUT
I
= 150mA
OUT
V
≤ 0.4V, 2.5V ≤ V
< 4.5V,
EN
IN
T
= –40°C to +85°C
J
V
≤ 0.4V, 4.5V ≤ V
≤ 6.5V,
EN
IN
T
= –40°C to +85°C
J
f = 100Hz
f = 1kHz
f = 10kHz
f = 100kHz
f = 1MHz
C
= none
NR
(fixed output, TPS71701)
C
= 0.001 F
NR
C
= 0.01 F
NR
C
= 0.1 F
NR
0.9V ≤ V
≤ 1.6V, C
= 0.001 F
OUT
NR
1.6V < V
< V
, C
= 0.01 F
OUT
MAX
NR
V
≤ 5.5V
IN
≤ 6.5V
5.5V < V
IN
EN = 6.5V
V
rising
IN
V
falling
IN
Shutdown, temperature increasing
Reset, temperature decreasing
< 2.6V because minimum V
= 2.5V.
IN
TPS717xx
SBVS068G – FEBRUARY 2006 – REVISED APRIL 2009
= 2.8V.
OUT
MIN
TYP
MAX
UNIT
2.5
6.5
V
0.790
0.800
0.810
V
0.9
5.0
V
0.9
6.5 – V
V
DO
±2.5
mV
–30
+30
mV
–3.0
+3.0
%
125
V/V
120
V/mA
170
300
mV
200
325
575
mA
200
325
575
mA
45
80
A
100
A
0.20
1.5
A
0.90
A
0.02
1.0
A
70
dB
70
dB
67
dB
67
dB
45
dB
95 × V
V
OUT
RMS
25 × V
V
OUT
RMS
12.5 × V
V
OUT
RMS
11.5 × V
V
OUT
RMS
0.700
ms
0.160
ms
(4)
1.2
6.5
V
1.25
6.5
V
0
0.4
V
0.02
1.0
A
2.41
2.45
2.49
V
150
mV
+160
°C
+140
°C
–40
+125
°C
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