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TPS3837L30DBVR Datasheet(PDF) 3 Page - Texas Instruments

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No. de pieza TPS3837L30DBVR
Descripción Electrónicos  NanoPower Supervisory Circuits
Download  16 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS3837L30DBVR Datasheet(HTML) 3 Page - Texas Instruments

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Pull-up
50 A
V
TPS3836
TPS3837
TPS3838
www.ti.com
SLVS292E – JUNE 2000 – REVISED OCTOBER 2010
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
Supply voltage, VDD
1.6
6
V
Voltage range, CT, MR, RESET, and RESET pins
0
VDD + 0.3
V
High-level input voltage, VIH
0.7 × VDD
V
Low-level input voltage, VIL
0.3 × VDD
V
Input transition rise and fall rate at MR,
Δt/ΔV
100
ns/V
Operating temperature range, TA
–40
+85
°C
Pull-up resistor value, RESET pin (TPS3838 only)
Ω
ELECTRICAL CHARACTERISTICS
Over recommended operating conditions, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RESET
VDD = 3.3 V, IOH = –2 mA
(TPS3836)
VDD = 6 V, IOH = –3 mA
VOH
High-level output voltage
0.8 × VDD
V
RESET
VDD = 1.8 V, IOH = –1 mA
(TPS3837)
VDD = 3.3 V, IOL = –2 mA
RESET
VDD = 1.8 V, IOL = 1 mA
(TPS3836,
VDD = 3.3 V, IOL = 2 mA
TPS3838)
VOL
Low-level output voltage
0.4
V
RESET
VDD = 3.3 V, IOL = 2 mA
(TPS3837)
VDD = 6 V, IOL = 3 mA
TPS3836,
VDD ≥ 1.1 V, IOL = 50 mA
0.2
V
TPS3838
Power-up reset voltage(1)
TPS3837
VDD ≥ 1.1 V, IOL = –50 mA
0.8 × VDD
V
TPS383xE18
1.66
1.71
1.74
TPS383xJ25
2.18
2.25
2.29
Negative-going input threshold
VIT
TPS383xH30
TA = –40°C to +85°C
2.70
2.79
2.85
V
voltage(2)
TPS383xL30
2.56
2.64
2.69
TPS383xK33
2.84
2.93
2.99
1.7 V < VIT < 2.5 V
30
VHYS
Hysteresis at VDD input
2.5 V < VIT < 3.5 V
40
mV
3.5 V < VIT < 5 V
50
MR (3)
MR = 0.7 × VDD, VDD = 6 V
–40
–60
–100
mA
IIH
High-level input current
CT
CT = VDD = 6 V
–25
+25
nA
MR (3)
MR = 0 V, VDD = 6 V
–130
–200
–340
mA
IIL
Low-level input current
CT
CT = 0 V, VDD = 6 V
–25
+25
nA
IOH
High-level output current
TPS3838
VDD = VIT + 0.2 V, VOH = VDD
25
nA
VDD > VIT, VDD < 3 V
220
400
nA
IDD
Supply current
VDD > VIT, VDD > 3 V
250
450
VDD < VIT
10
15
mA
Internal pull-up resistor at MR
30
k
CI
Input capacitance at MR and CT
VI = 0 V to VDD
5
pF
(1)
The lowest voltage at which the RESET output becomes active. tR, VDD ≥ 15 ms/V.
(2)
To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 mF) should be placed near the supply terminal.
(3)
If manual reset is unused, MR should be connected to VDD to minimize current consumption.
Copyright © 2000–2010, Texas Instruments Incorporated
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