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SL40307A-R19KHF Fiches technique(PDF) 35 Page - International Rectifier

No de pièce SL40307A-R19KHF
Description  Single-Input Voltage, Synchronous Buck Regulator
PDF  53 Pages
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Fabricant  IRF [International Rectifier]
Site Internet  http://www.irf.com
Logo IRF - International Rectifier

SL40307A-R19KHF Fiches technique(HTML) 35 Page - International Rectifier

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IR3846
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© 2013 International Rectifier
August 01, 2013
1
1
95
.
0
2
)
_
(
Rsns
VREF
V
Rsns
TH
PGood
out


(37)
Rsns2 = 4.02 kΩ, Select 4.02 kΩ.
OVP comparator also uses Vsns signal for Over-
Voltage detection. With above values for Rsns2 and
Rsns1, OVP trip point (Vout_OVP) is

1
2
1
2
.
1
_
Rsns
Rsns
Rsns
VREF
Vout
OVP
(38)
Vout_OVP = 1.44 V
Selecting Power Good Pull-Up Resistor
The PGood is an open drain output and require pull
up resistors to VCC. The value of the pull-up resistors
should limit the current flowing into the PGood pin to
less than 5mA. A typical value used is 10kΩ.



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