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TPS65020RHATG4 Datasheet(PDF) 7 Page - Texas Instruments

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No. de pieza TPS65020RHATG4
Descripción Electrónicos  Power Management IC
Download  53 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65020RHATG4 Datasheet(HTML) 7 Page - Texas Instruments

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TPS65020
www.ti.com
SLVS607D – SEPTEMBER 2005 – REVISED JANUARY 2016
Recommended Operating Conditions (continued)
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
CO(VRTC)
Output capacitor at VRTC (2)
4.7
μF
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
Resistor from VINDCDC3, VINDCDC2, VINDCDC1 to VCC used for
1
10
filtering(3)
(3)
Up to 3 mA can flow into VCC when all 3 converters are running in PWM. This resistor causes the UVLO threshold to be shifted
accordingly.
7.4 Thermal Information
TPS65020
THERMAL METRIC(1)
RHA (VQFN)
UNIT
40 PINS
RθJA
Junction-to-ambient thermal resistance
31.6
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
18.2
°C/W
RθJB
Junction-to-board thermal resistance
6.6
°C/W
ψJT
Junction-to-top characterization parameter
0.2
°C/W
ψJB
Junction-to-board characterization parameter
6.5
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
1.7
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
7.5 Electrical Characteristics
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX
UNIT
CONTROL SIGNALS: SCLK, SDAT (INPUT), DCDC1_EN, DCDC2_EN, DCDC3_EN, LDO_EN
VIH
High level input voltage
Rpullup = 4.7 k
Ω, pulled to VRTC
1.3
VCC
V
VIL
Low level input voltage
Rpullup = 4.7 k
Ω, pulled to VRTC
0
0.4
V
IH
Input bias current
0.01
0.1
μA
CONTROL SIGNALS: HOT_RESET
VIH
High level input voltage
1.3
VCC
V
VIL
Low level input voltage
0
0.4
V
Pullup resistor at HOT_RESET,
1000
k
connected to VCC
tdeglitch
Deglitch time at HOT_RESET
25
30
35
ms
CONTROL SIGNALS: LOWBAT, PWRFAIL, RESPWRON, INT, SDAT (OUTPUT)
VOH
High level output voltage
6
V
VOL
Low level output voltage
IIL = 5 mA
0
0.3
V
Duration of low pulse at RESPWRON
External capacitor 1 nF
100
ms
Internal charge / discharge current on
ICONST
Used for generating RESPWRON delay
1.7
2
2.3
μA
pin TRESPWRON
TRESPWRON_
Internal lower comparator threshold on
Used for generating RESPWRON delay
0.225
0.25
0.275
V
LOWTH
pin TRESPWRON
TRESPWRON_
Internal upper comparator threshold
Used for generating RESPWRON delay
0.97
1
1.103
V
UPTH
on pin TRESPWRON
Resetpwron threshold VRTC falling
–3%
2.4
3%
V
Resetpwron threshold VRTC rising
–3%
2.52
3%
V
(1)
Typical values are at TA = 25°C
Copyright © 2005–2016, Texas Instruments Incorporated
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