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TPS54386TPWPRQ1 Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TPS54386TPWPRQ1
Description  3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54386TPWPRQ1 Fiches technique(HTML) 4 Page - Texas Instruments

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TPS54386-Q1
SLUSAZ9A – MARCH 2012 – REVISED MARCH 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
–40°C
≤ TA ≤ 105°C, VPVDD1 = VPVDD2 = 12 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BOOTSTRAP
RBOOT1
From BP to BOOT1 or BP to BOOT2,
Bootstrap switch resistance
18
IEXT = 50 mA
RBOOT2
OUTPUT STAGE (Channel 1 and Channel 2)
TA = 25°C, VPVDD2 = 8 V
85
rDS(on)
(3)
MOSFET on-resistance plus bond-wire resistance
m
–40°C < TA < 125°C, VPVDD2 = 8 V
85
165
tON(min)
(3)
Minimum controllable pulse duration
ISWx peak current > 1 A
(4)
100
200
ns
DMIN
Minimum duty cycle
VFB = 0.9 V
0%
DMAX
Maximum duty cycle
fSW = 600 kHz
85%
90%
ISW
Switching-node leakage current (sourcing)
Outputs OFF
2
12
μA
THERMAL SHUTDOWN
TSD
(3)
Shutdown temperature
148
°C
TSD(hys)
(3)
Hysteresis
20
°C
(3)
Ensured by design. Not production tested.
(4)
See Figure 14 for ISWx peak current <1 A.
4
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Product Folder Link(s): TPS54386-Q1


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