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TPS70858PWP Datasheet(PDF) 6 Page - Texas Instruments

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No. de pieza TPS70858PWP
Descripción Electrónicos  DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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TPS70858PWP Datasheet(HTML) 6 Page - Texas Instruments

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TPS70845, TPS70848
TPS70851, TPS70858
TPS70802
SLVS301D – JUNE 2000 – REVISED DECEMBER 2007
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1 V, IO = 1 mA,
EN = 0 V, and COUT = 33 µF (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PG1/PG2 Terminal
Minimum input voltage for valid PGx
I(PGx) = 300 µA,
V(PGx) ≤ 0.8 V
1.0
1.3
V
Trip threshold voltage
VO decreasing
92
95
98
%VOUT
Hysteresis voltage
Measured at VO
0.5
%VOUT
tr(PGx)
Rising edge deglitch
30
µs
Output low voltage
VIN = 2.7V,
I(PGx) = 1 mA
0.15
0.4
V
Leakage current
V(PGx) = 6V
1
µA
EN1/EN2 Terminal
High-level ENx input voltage
2
V
Low-level ENx input voltage
0.7
V
Input current (ENx)
–1
1
µA
MR Terminal
High-level input voltage
2
V
Low-level input voltage
0.7
V
Falling edge delay
Measured at VO
140
µs
Pull-up current source
6
µA
VOUT1 Terminal
IO = 250 mA, VIN1 = 3.2 V
TJ = +25°C
83
Dropout voltage(4)
mV
IO = 250 mA, VIN1 = 3.2 V
140
Peak output current
2 ms pulse width
750
mA
Discharge transistor current
VOUT1 = 1.5 V
7.5
mA
VOUT2 Terminal
Peak output current
2 ms pulse width
375
mA
Discharge transistor current
VOUT2 = 1.5 V
7.5
mA
FB Terminal
Input current: TPS70802
FB = 1.8 V
1
µA
(4)
Input voltage (VIN1 or VIN2) = VO(typ) – 100 mV. For 1.5-V, 1.8-V, and 2.5-V regulators, the dropout voltage is limited by input voltage
range. The 3.3-V regulator input is set to 3.2 V to perform this test.
6
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