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PC29M33AHF Datasheet(PDF) 4 Page - NEC

Part # PC29M33AHF
Description  THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR
PDF  16 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

PC29M33AHF Datasheet(HTML) 4 Page - NEC

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Data Sheet G15368EJ1V0DS
4
µµµµPC29M33A,µµµµPC29M05A
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified)
Rating
Parameter
Symbol
µ PC29M33AHF,
µ PC29M05AHF
µPC29M33AHB, µPC29M05AHB
µPC29M33AT, µPC29M05AT
Unit
Input Voltage
VIN
20
V
Internal Power Dissipation
Note
(TC = 25
°C)
PT
15
10
W
Operating Ambient Temperature
TA
–30 to +85
°C
Operating Junction Temperature
TJ
–30 to +150
°C
Storage Temperature
Tstg
–55 to +150
°C
Thermal Resistance (junction to case)
Rth(J-C)
7
12.5
°C/W
Thermal Resistance (junction to ambient)
Rth(J-A)
65
125
°C/W
Note Internally limited. When the operating junction temperature rises over 150
°C, the internal circuit shuts down the
output voltage.
Caution If the absolute maximum rating of any of the above parameters is exceeded even momentarily, the
quality of the product may be degraded. In other words, absolute maximum ratings specify the
values exceeding which the product may be physically damaged. Be sure to use the product with
these ratings never exceeded.
STANDARD CONNECTION
D1
INPUT
COUT
CIN
D2
+
PC29M33A, PC29M05A
OUTPUT
CIN: 0.1
µF or higher. Set this value according to the length of the line between the regulator and INPUT pin. Be sure
to connect CIN to prevent parasitic oscillation. Use of a film capacitor or other capacitor with excellent voltage and
temperature characteristics is recommended. If using a laminated ceramic capacitor, it is necessary to ensure
that CIN is 0.1
µF or higher for the voltage and temperature range to be used.
COUT: 47
µF or higher. Be sure to connect COUT to prevent oscillation and improve excessive load regulation. Place
CIN and COUT as close as possible to the IC pins (within 2 cm). Also, use an electrolytic capacitor with low
impedance characteristics if considering use at sub-zero temperatures.
D1: If the OUTPUT pin has a higher voltage than the INPUT pin, connect a diode.
D2: If the OUTPUT pin has a lower voltage than the GND pin, connect a Schottky barrier diode.
Caution Make sure that no voltage is applied to the OUTPUT pin from external.



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