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PTH08T220W Datasheet(PDF) 5 Page - Texas Instruments

No. de Pieza. PTH08T220W
Descripción  16-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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PTH08T220W Datasheet(HTML) 5 Page - Texas Instruments

 
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PTH08T220W, PTH08T221W
SLTS252F – NOVEMBER 2005 – REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS
PTH08T220W
(continued)
T
A = 25°C, VI = 5 V, VO = 3.3 V, CI = 330 µF, CI2 = 22 µF, CO = 220 µF, and IO = IO max (unless otherwise stated)
PARAMETER
TEST CONDITIONS
PTH08T220W
UNIT
MIN
TYP
MAX
Nonceramic
330 (6)
CI
External input capacitance
µF
Ceramic
22 (6)
Capacitance Value
Nonceramic
220 (7)
5000 (8)
µF
w/o TurboTrans
Ceramic
500
Equivalent series resistance (non-ceramic)
7
m
CO
External output capacitance
see table
Capacitance Value
µF
(7) (9)
w/ TurboTrans
Capacitance
× ESR product (C
O× ESR)
1000
10000 (9)
µF
×mΩ
Per Telcordia SR-332, 50% stress,
MTBF
Reliability
6.1
106 Hr
TA = 40°C, ground benign
(6)
A 330 µF electrolytic and a 22
µF ceramic input capacitor is required for proper operation. The electrolytic capacitor must be rated for a
minimum of 700 mA rms of ripple current.
(7)
A 220 µF external output capacitor is required for basic operation. The minimum output capacitance requirement increases when
TurboTrans™ (TT) technology is utilized. See related Application Information for more guidance.
(8)
This is the calculated maximum disregarding TurboTrans™ technology.
(9)
When using TurboTrans™ technology, a minimum value of output capacitance is required for proper operation. Additionally, low ESR
capacitors are required for proper operation. See the application notes for further guidance.
5
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