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HA16129AFPJ Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers

Part # HA16129AFPJ
Description  Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
PDF  26 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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HA16129AFPJ Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers

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HA16129AFPJ
9
Calculation Formulas (cont)
Item
Formula
Notes
V
STBY
VSTBY = 1.48 ×
67.6
29.5 + 36.2 // R1
+ 1
(
(
The voltage at which the
STBY signal is output when
Vout falls. The
STBY detection voltage can be adjusted
by connecting a resistor between the STBYadj pin and
ground (R3). However, the
STBY recovery voltage
cannot be adjusted.
STBY
VSTBY
VSTBY’
Vout
t
STBYadj
Vout
STBY
R1
V
NMI
(Vout
detection)
VNMI = 1.2 × 1 +
R1, R2; k
Ω
R1 // 73
R2 // 25
(
(
The voltage at which the
NMI signal is output when
Vout falls. (When NMIsns is connected to Vout.)
The
NMI detection voltage can be adjusted by
connecting resistors between the NMIadj pin and Vout
(R1), and between the NMIadj pin and ground (R2).
NMI
VNMI
VNMI’
Vout
t
Vout
R1
NMI
NMIsns
NMIadj
R2
GND
V
NMI
(V
CC
detection)
VNMI = 4.62 ×
Recovery voltage
R1
R2 // 97.1
(
(
+ 1
VNMI = 4.68 ×
R1, R2; k
Ω
R1
R2 // 45.5
(
(
+ 1
The voltage at which the
NMI signal is output when V
CC
falls. (When NMIsns is connected to V
CC.)
The
NMI detection voltage can be adjusted by
connecting resistors between the NMIsns pin and V
CC
(R1), and between the NMIsns pin and ground (R2).
NMI
VNMI
VNMI’
VCC
t
Vout
NMI
NMIsns
R2
GND
R1
VCC CS
OUTE
CR × RR > 19.3 × Cf × Rf
If the OUTE function is used, the relationship shown at
the left must be fulfilled to assure that pulses are not
incorrectly
generated
in
this
output
when
a
microprocessor runaway state is detected.



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