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TPS70245PWPR Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce TPS70245PWPR
Description  DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS70245PWPR Fiches technique(HTML) 5 Page - Texas Instruments

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Lineregulation(mV)=(%/V)x V
o
x1000
(V
2.7)
100
-
Imax
x1000
[ V
(V +1) ]
100
-
Imax
o
Lineregulation(mV)=(%/V)x V
o
(3)
If VO < 1.8V then VImax = 6V, VImin = 2.7V:
If VO > 2.5V then VImax = 6V, VImin = VO + 1V:
TPS70245, TPS70248
TPS70251, TPS70258
TPS70202
www.ti.com
SLVS286E – JUNE 2000 – REVISED DECEMBER 2009
ELECTRICAL CHARACTERISTICS
Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1V, IO = 1mA,
EN1 = 0V, EN2 = 0V, and CO = 33μF (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
2.7V < VIN < 6V,
FB connected to VO
1.22
Reference
TJ = +25°C
voltage
2.7V < VIN < 6V,
FB connected to VO
1.196
1.244
2.7V < VIN < 6V,
TJ = +25°C
1.2
1.2V Output
2.7V < VIN < 6V,
1.176
1.224
2.7V < VIN < 6V,
TJ = +25°C
1.5
Output
1.5V Output
2.7V < VIN < 6V,
1.47
1.53
VO
voltage (1) ,
V
(2)
2.8V < VIN < 6V,
TJ = +25°C
1.8
1.8V Output
2.8V < VIN < 6V,
1.764
1.836
3.5V < VIN < 6V,
TJ = +25°C
2.5
2.5V Output
3.5V < VIN < 6V,
2.45
2.55
4.3V < VIN < 6V,
TJ = +25°C
3.3
3.3V Output
4.3V < VIN < 6V,
3.234
3.366
Quiescent current (GND current) for
See (2)
TJ = +25°C
190
regulator 1 and regulator 2, EN1 = EN2
μA
See (2)
230
= 0V(1)
Output voltage line regulation (
∆VO/VO)
VO + 1V < VIN ≤ 6V,
TJ = +25°C
(1)
0.01
%V
for regulator 1 and regulator 2 (3)
VO + 1V < VIN ≤ 6V
(1)
0.1
Load regulation for VOUT 1 and VOUT2
TJ = +25°C
1
mV
Output noise
Regulator 1
65
Vn
BW = 300Hz to 50kHz,
CO = 33μF, TJ = +25°C
μVRMS
voltage
Regulator 2
65
Regulator 1
1.6
1.9
Output current limit
VOUT = 0V
A
Regulator 2
0.750
1
Thermal shutdown junction temperature
+150
°C
Regulator 1
EN1 = VIN, EN2 = VI
TJ = +25°C
2
II
Standby
μA
(standby) current
Regulator 2
EN1 = VIN, EN2 = VI
6
f = 1kHz, CO = 33μF,
Regulator 1
TJ = +25°C
(1)
60
Power-
IOUT1 = 500mA
PSRR
supply ripple
dB
f = 1kHz, CO = 33μF,
rejection
Regulator 2
TJ = +25°C
(1)
50
IOUT2 = 250mA
UVLO threshold
2.4
2.65
V
RESET Terminal
Minimum input voltage for valid RESET
IRESET = 300μA,
V(RESET) ≤ 0.8V
1.0
1.3
V
t (RESET)
RESET pulse duration
80
120
160
ms
Output low voltage
VIN = 3.5V,
I(RESET) = 1mA
0.15
0.4
V
Leakage current
V(RESET) = 6V
1
μA
(1)
Minimum input operating voltage is 2.7V or VO(typ) + 1V, whichever is greater. Maximum input voltage = 6V, minimum output
current = 1mA.
(2)
IO = 1mA to 500mA for Regulator 1 and 1mA to 250mA for Regulator 2.
Copyright © 2000–2009, Texas Instruments Incorporated
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