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TPS767D325PWPR Datasheet(PDF) 3 Page - Texas Instruments

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No. de Pieza. TPS767D325PWPR
Descripción  DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
Descarga  22 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS767D325PWPR Datasheet(HTML) 3 Page - Texas Instruments

 
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ELECTRICAL CHARACTERISTICS
TPS767D3xx
www.ti.com......................................................................................................................................................... SLVS209H – JULY 1999 – REVISED AUGUST 2008
Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(nom) + 1V, IOUT = 1mA, VEN = 0V, and
COUT = 10µF, unless otherwise noted. Adjustable channels are set to VOUT = 3.3V. Typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range, V1IN, V2IN
(1)
2.7
10
V
Adjustable VOUT range, V1OUT, V2OUT
1.5
5.5
V
VOUT + 1V ≤ VIN ≤ 5.5V;
Accuracy, adjustable VOUT channels
(1)
–2.0
+2.0
%
VOUT
10
µA ≤ I
OUT ≤ 1A
VOUT + 1V ≤ VIN ≤ 10V;
Accuracy, fixed VOUT channels
(1)
–2.0
+2.0
%
10
µA ≤ I
OUT ≤ 1A
ΔVOUT%/ΔVIN
Line regulation(1)
VOUT + 1.0V ≤ VIN ≤ 10V
0.01
%/V
ΔVOUT%/ΔIOUT
Load regulation
10
µA ≤ I
OUT ≤ 1A
3
mV
Dropout voltage(2)
VDO
VOUT = 3.3V, IOUT = 1A
350
575
mV
(VIN = VOUT (nom) – 0.1V)
ICL
Output current limit, per LDO
VOUT = 0V, TJ = +25°C
1.7
2
A
IGND
Ground pin current, per LDO
10
µA ≤ I
OUT ≤ 1A
85
125
µA
ISHDN
Standby current, per LDO
2.7V
≤ VIN ≤ 10V, VEN = VIN
1
10
µA
IFB
FB current input (Adjustable)
VFB = 1.5V
2
nA
PSRR
Power-supply ripple rejection
f = 1kHz, COUT = 10µF
60
dB
BW = 200Hz to 100kHz, VOUT = 1.8V,
VN
Output noise voltage
55
µV
RMS
IC = 1A, COUT = 10µF
VEN(HI)
High-level enable input voltage
TJ = +25°C
2.0
V
VEN(LO)
Low-level enable input voltage
TJ = +25°C
0.8
V
VEN = 0V, TJ = +25°C
–1
0
1
IEN
Input current
µA
VEN = VIN, TJ = +25°C
–1
1
Minimum input voltage for valid
IOUT(RESET) = 300µA
1.1
V
RESET
Trip threshold voltage
VOUT decreasing, TJ = +25°C
92
98
%VOUT
Hysteresis voltage
Measured at VOUT
0.5
%VOUT
Reset
VI = 2.7V, TJ = +25°C,
Output low voltage
0.15
0.4
V
IOUT(RESET)= 1mA
Leakage current
V(RESET) = 7V, TJ = +25°C
1
µA
RESET time-out delay
TJ = +25°C
100
200
400
ms
TSD
Thermal shutdown temperature
150
°C
TJ
Operating junction temperature
–40
+125
°C
(1)
Minimum VIN = VOUT + VDO or 2.7V, whichever is greater.
(2)
Dropout voltage (VDO) is not measured for channels with VOUT(nom) < 2.8V since minimum VIN = 2.7V.
Copyright © 1999–2008, Texas Instruments Incorporated
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