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TPS77401-EP Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS77401-EP
Description  250-mA LDO VOLTAGE REGULATOR WITH POWER-GOOD OUTPUT
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS77401-EP Datasheet(HTML) 6 Page - Texas Instruments

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Line regulation (mV)
+ % V
V
O
V
I(max) *
2.7 V
100
1000
Line regulation (mV)
+ % V
V
O
V
I(max) *
V
O )
1
100
1000
Electrical Characteristics
TPS77401-EP
250-mA LDO VOLTAGE REGULATOR
WITH POWER-GOOD OUTPUT
SLVS702 – OCTOBER 2006
over recommended operating junction temperature range (T
J = –55°C to 125°C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V,
C
O = 10 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ = 125°C
0.98VO
1.02VO
Adjustable voltage
1.5 V
≤ V
O ≤ 5.5 V
V
TJ = Full range
0.977VO
1.023VO
TJ = 25°C,
2.7 V < VIN < 10 V
1.5
1.5-V output
V
2.7 V < VIN < 10 V
1.470
1.530
TJ = 25°C,
2.8 V < VIN < 10 V
1.8
1.8-V output
2.8 V < VIN < 10 V
1.764
1.836
TJ = 25°C,
3.7 V < VIN < 10 V
2.7
Output voltage(1)(2)
2.7-V output
3.7 V < VIN < 10 V
2.646
2.754
V
TJ = 25°C,
3.8 V < VIN < 10 V
2.8
2.8-V output
3.8 V < VIN < 10 V
2.744
2.856
TJ = 25°C,
4.3 V < VIN < 10 V
3.3
3.3-V output
4.3 V < VIN < 10 V
3.234
3.366
TJ = 25°C,
6 V < VIN < 10 V
5.0
5-V output
V
6.0 V < VIN < 10 V
4.9
5.1
TJ = 25°C
92
Quiescent current (GND current)(1)(2)
µA
TJ = Full range
135
VO + 1 V < VI ≤ 10 V,
TJ = 25°C
0.005
%/V
Output voltage line regulation (
∆V
O/VO)
(3)
VO + 1 V < VI ≤ 10 V
0.05
%/V
Load regulation
TJ = 25°C
1
mV
BW = 300 Hz to 100
Output noise voltage
TJ = 25°C
55
µVrms
kHz,
Output current limit
VO = 0 V
0.9
1.3
A
Peak output current
2 ms pulse width,
50% duty cycle
400
mA
Thermal shutdown junction temperature
144
°C
TJ = 25°C
1
Standby current
EN = VI
µA
TJ = Full range
3
FB input current
Adjustable voltage
FB = 1.5 V
1
µA
High-level enable input voltage
2
V
Low-level enable input voltage
0.7
V
Enable input current
–1
1
µA
PSRR
Power-supply rejection ratio
f = 1 kHz,
TJ = 25°C
55
dB
Minimum input voltage for valid PG
I(PG) = 300 µA,
V(PG) ≤ 0.8 V
1.1
V
Trip threshold voltage
VO decreasing
79
85
%VO
PG
Hysteresis voltage
Measured at VO
0.5
Output low voltage
VI = 2.7 V,
I(PG) = 1 mA
0.15
0.4
V
Leakage current
V(PG) = 5 V
1
µA
(1)
Minimum input operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum input voltage = 10 V, minimum output current
1 mA.
(2)
IO = 1 mA to 250 mA
(3)
If VO < 1.8 V, then VI(max) = 10 V, VI(min) = 2.7 V:
If VO > 2.5 V, then VI(max) = 10 V, VI(min) = VO + 1 V:
6
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