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TPS65265 Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPS65265
Description  Output Current Triple Synchronous Step-Down Converter
Download  47 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65265 Fiches technique(HTML) 7 Page - Texas Instruments

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Temperature (qC)
-40
-20
0
20
40
60
80
100
120
0.594
0.596
0.598
0.6
0.602
0.604
0.606
D001
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
570
590
610
630
650
D002
TPS65265
www.ti.com
SLVSD86A – DECEMBER 2015 – REVISED DECEMBER 2015
Electrical Characteristics (continued)
TJ = –40°C to 125°C, typical values are at TJ = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PGOOD, MODE, PSM, SEQ_DLY, PG_DLY
FBx undervoltage falling
92.5
%VREF
FBx undervoltage rising
95
%VREF
Vth_PG
Feedback voltage threshold
FBx overvoltage rising
107.5
%VREF
FBx overvoltage falling
105
%VREF
tDEGLITCH(PG)_F
PGOOD falling edge deglitch time
256
cycles
tDEGLITCH(PG)_R
PGOOD rising edge deglitch time
256
cycles
IPG
PGOOD pin leakage
0.08
µA
VLOW_PG
PGOOD pin low voltage
PVIN1 = 12 V, ISINK = 1 mA
0.25
V
VMODE_H
MODE high level input voltage
2.4
2.6
2.8
V
VMODE_L
MODE low level input voltage
0.11
0.16
0.23
V
VPG_DLYTH
PG_DLY threshold
1.4
1.5
1.6
V
IPG_DLY
PG_DLY pullup current
PG_DLY = 0.5 V
2.0
3.0
4.1
µA
VSEQ_DLYTH1
SEQ_DLY threshold
0.7
0.75
0.8
V
VSEQ_DLYTH2
SEQ_DLY threshold
1.4
1.5
1.58
V
ISEQ_DLY
SEQ_DLY pullup current
SEQ_DLY = 0.5 V
2
3
4.1
µA
VPSMH
PSM pin high level input voltage
1.3
1.4
1.55
V
VPSML
PSM pin low level input voltage
1
1.1
1.2
V
OSCILLATOR
FSW
Switching frequency
ROSC = 82.5 kΩ
580
610
640
kHz
FSW_range
Switching frequency
250
2300
kHz
tSYNC_w
Clock sync minimum pulse width
80
ns
FSYNC_HI
Clock sync high threshold
2
V
VSYNC_LO
Clock sync low threshold
0.4
V
THERMAL PROTECTION
TTRIP_OTP
Thermal protection trip point(1)
Temperature rising
160
°C
THYST_OTP
Hysteresis
20
°C
7.6 Typical Characteristics
Figure 1. Voltage Reference vs Temperature
Figure 2. Oscillator Frequency vs Temperature
Copyright © 2015, Texas Instruments Incorporated
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