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TPS54383 Datasheet(PDF) 4 Page - Texas Instruments

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Part # TPS54383
Description  3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS54383 Datasheet(HTML) 4 Page - Texas Instruments

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TPS54383,, TPS54386
SLUS774B – AUGUST 2007 – REVISED OCTOBER 2007
ELECTRICAL CHARACTERISTICS (continued)
–40
°C ≤ T
J ≤ +125°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
Ω
IEXT = 50 mA
RBOOT2
OUTPUT STAGE (Channel 1 and Channel 2)
TJ = +25°C, VPVDD2 = 8 V
85
RDS(on)
(3)
MOSFET on resistance plus bond wire resistance
m
Ω
–40
°C < T
J < +125°C, VPVDD2 = 8 V
85
165
tON(min)
(3)
Minimum controllable pulse width
ISWx peak current > 1 A
(4)
100
200
ns
DMIN
Minimum Duty Cycle
VFB = 0.9 V
0
%
TPS54383 fSW = 300 kHz
90
95
%
DMAX
Maximum Duty Cycle
TPS54386 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
(3)
Ensured by design. Not production tested.
(4)
See Figure 14 for ISWx peak current <1 A.
4
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS54383 TPS54386


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