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TPS3707-50DRG4 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS3707-50DRG4
Description  Processor Supervisory Circuits With Power-Fail
Download  28 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS3707-50DRG4 Datasheet(HTML) 6 Page - Texas Instruments

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TPS3705-30, TPS3705-33, TPS3705-50, TPS3707-30, TPS3707-50
SLVS184D – NOVEMBER 1998 – REVISED MAY 2016
www.ti.com
Product Folder Links: TPS3705-30 TPS3705-33 TPS3705-50 TPS3707-30 TPS3707-50
Submit Documentation Feedback
Copyright © 1998–2016, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
7.4 Thermal Information
THERMAL METRIC(1)
TPS3705-xx
TPS3707-xx
UNIT
D (SOIC)
DGN (MSOP-PowerPAD)
8 PINS
8 PINS
RθJA
Junction-to-ambient thermal resistance
118.2
66.1
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
64.4
62.6
°C/W
RθJB
Junction-to-board thermal resistance
58.5
45.1
°C/W
ψJT
Junction-to-top characterization parameter
15.8
7.6
°C/W
ψJB
Junction-to-board characterization parameter
57.9
44.8
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
18.5
°C/W
(1)
The lowest supply voltage at which RESET becomes active, tr,VDD ≥ 15 µs/V
(2)
To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 µF) should be placed near to the supply terminals
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
TPS370x-xx, VDD = 1.1 V, IOH = –4 μA
0.8
V
TPS3707-25, TPS370x-30, TPS370x-33,
VDD = VIT+ + 0.2 V, IOH = –500 μA
0.7 × VDD
TPS370x-50, VDD = VIT+ + 0.2 V, IOH = –800 μA
VDD – 1.5
TPS370x-xx, VDD = 6 V, IOH = –800 μA
VDD – 1.5
VOL
Low-level output voltage
TPS3707-25, TPS370x-30, TPS370x-33,
VDD = VIT+ + 0.2 V, IOL = 1 mA
0.3
V
TPS370x-50, VDD = VIT+ + 0.2 V, IOL = 2.5 mA
0.4
TPS370x-xx, VDD = 6 V, IOL = 3 mA
0.4
Power-up reset voltage(1)
VDD ≥ 1.1 V, IOL = 50 μA
0.3
V
VIT–
Negative-going input
threshold voltage(2)
TPS3707-25, TA = 0°C to 85°C
2.2
2.25
2.3
V
TPS370x-30, TA = 0°C to 85°C
2.57
2.63
2.68
TPS370x-33, TA = 0°C to 85°C
2.87
2.93
2.98
TPS370x-50, TA = 0°C to 85°C
4.45
4.55
4.63
TPS3707-25, TA = –40°C to 85°C
2.2
2.25
2.32
TPS370x-30, TA = –40°C to 85°C
2.57
2.63
2.7
TPS370x-33, TA = –40°C to 85°C
2.87
2.93
3
TPS370x-50, TA = –40°C to 85°C
4.45
4.55
4.65
Negative-going input
threshold voltage, PFI(2)
TPS370x-xx, VDD ≥ 2 V, TA = –40°C to 85°C
1.2
1.25
1.3
Vhys
Hysteresis, VDD
TPS3707-25
40
mV
TPS370x-30
50
TPS370x-33
50
TPS370x-50
70
Hysteresis, PFI
TPS370x-xx
10
IIH(AV)
Average high-level input current, WDI
WDI = VDD = 6 V, time average (dc = 88%)
100
150
µA
IIL(AV)
Average low-level input current, WDI
WDI = 0 V, VDD = 6 V, time average (dc = 12%)
–15
–20
µA
IIH
High-level input current, WDI
WDI = VDD = 6 V
120
170
µA
High-level input current, MR
MR = 0.7 × VDD, VDD = 6 V
–130
–180
IIL
Low-level input current, WDI
WDI = 0 V, VDD = 6 V
–120
–170
µA
Low-level input current, MR
MR = 0 V, VDD = 6 V
–430
–600
II
Input current, PFI
VDD = 6 V, 0 V ≤ VI ≤ VDD
–1
0
1
µA


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