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PTH08T260W Datasheet(PDF) 2 Page - Texas Instruments

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No. de Pieza. PTH08T260W
Descripción  3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans
Descarga  36 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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PTH08T260W Datasheet(HTML) 2 Page - Texas Instruments

 
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PTH08T260W
2
4
8
+
7
Track
GND
Vo
TT
3
GND
GND
+Sense
5
L
O
A
D
−Sense
+
10
Inhibit
INH/UVLO
Auto−Track
9
6
−Sense
+Sense
SYNC
1
SmartSync
TurboTrans
RTT
1%
0.05 W
(Optional)
VO
CO2
100
µF
(Required)
CO1
100
µF
Ceramic
(Required)
RSET
1%
0.05 W
(Required)
VI
VOAdj
VI
CI
330
µF
(Required)
(Notes B and C)
[D]
PTH08T261W
2
4
8
7
Track
GND
Vo
TT
3
GND
GND
+Sense
5
L
O
A
D
−Sense
10
Inhibit
INH/UVLO
Auto−Track
9
6
−Sense
+Sense
SYNC
1
SmartSync
CO
200
µF
Ceramic
(Required)
TurboTrans
RSET
1%
0.05 W
(Required)
(Note A)
CI
300
µF
(Required)
VI
VI
VOAdj
RTT
1%
0.05 W
(Optional)
VO
[B]
PTH08T260W, PTH08T261W
SLTS272A – DECEMBER 2006 – REVISED MAY 2007
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
PTH08T260W
A.
RSET required to set the output voltage to a value higher than 0.69 V. See the Electrical Characteristics table.
B.
An additional 22-
µF ceramic input capacitor is recommended to reduce RMS ripple current.
C.
For VI greater than 8V, the minimum required CI may be reduced to 220 µF plus a 22-µF ceramic capacitor.
D.
100
µF of output capacitance can be achieved by using two 47-µF ceramic capacitors .
PTH08T261W - Ceramic Capacitor Version
A.
RSET required to set the output voltage to a value higher than 0.69 V. See the Electrical Characteristics table.
B.
200
µF of output capacitance can be achieved by using two 100-µF ceramic capacitors or four 47-µF ceramic
capacitors .
2
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