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UPC2909T の電気的特性と機能

UPC2909TのメーカーはNECです、この部品の機能は「THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPC2909T
部品説明 THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR
メーカ NEC
ロゴ NEC ロゴ 




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UPC2909T Datasheet, UPC2909T PDF,ピン配置, 機能
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC2900 Series
THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR
The µPC2900 series of low dropout voltage three terminal positive regulators is constructed with PNP output
transistor. The µPC2900 series feature the ability to source 1 A of output current with a low dropout voltage of typically
0.7 V.
The power dissipation of the µPC2900 series can be drastically reduced compared with the conventional three
terminal positive voltage regulators that is constructed with NPN output transistor. Also, this series corresponds to
the low voltage output (3 V, 3.3 V) which is not in the conventional low dropout regulators (µPC2400A series).
FEATURES
• Output current in excess of 1.0 A
• Low dropout voltage VDIF = 0.7 V TYP. (at IO = 1 A)
• On-chip overcurrent and thermal protection circuit
• On-chip output transistor safe area protection circuit
PIN CONFIGURATION (Marking Side)
µPC2900HF Series: MP-45G
µPC2900HB Series: MP-3
µPC2900T Series: MP-3Z
4
123
1: INPUT
2: GND
3: OUTPUT
123
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
The information in this document is subject to change without notice.
Document No. G10026EJ3V0DS00 (3rd edition)
Date Published July 1998 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1997

1 Page





UPC2909T pdf, ピン配列
µPC2900 Series
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C, Unless otherwise specified.)
Parameter
Symbol
Input Voltage
Internal Power DissipationNote
Operating Ambient Temperature
Operating Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient)
VIN
PT
TA
TJ
Tstg
Rth (J-C)
Rth (J-A)
µPC2900HF
15
7
65
Rating
µPC2900HB, µPC2900T
20
10
–30 to +85
–30 to +150
–55 to +150
12.5
125
Unit
V
W
°C
°C
°C
°C/W
°C/W
Note TC = 25 °C, Internally limited
When operating junction temperature rises up to 150 °C, the internal circuit shutdown output voltage.
Caution Exposure to Absolute Maximum Ratings for extended periods may affect device reliability;
exceeding the ratings could cause permanent damage. The parameters apply independently. The
device should be operated within the limits specified under DC and AC Characteristics.
TYPICAL CONNECTION
D1
INPUT
CIN
µPC2900
COUT
+
OUTPUT
D2
CIN
COUT
D1
D2
: More than 0.1 µF. Required if regulator is located an appreciable distance from power supply filter. You
must use to prevent from the parasitic oscillation.
: More than 47 µF. You must use the Low-impedance-type (low ESR) capacitor.
: Need for VO > VIN
: Need a shottky barrier diode for VO < GND.
3


3Pages


UPC2909T 電子部品, 半導体
µPC2900 Series
ELECTRICAL CHARACTERISTICS µPC2905 (TJ = 25 °C, VIN = 8 V, IO = 500 mA, CIN = 0.22 µF, COUT = 47 µF,
unless otherwise specified.)
Parameters
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Startup Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Output Current
Temperature Coefficient of
Output Voltage
Symbol
VO
REGIN
REGL
IBIAS
IBIAS (s)
IBIAS
Vn
R·R
VDIF
IO short
IO peak
VO/T
Conditions
0 °C TJ 125 °C, 6 V VIN 16 V,
0 A IO 500 mA
0 °C TJ 125 °C, 0 A IO 1 A
6 V VIN 16 V
0 A IO 1 A
IO = 0 A
IO = 1 A
VIN = 4.5 V, IO = 0 A
VIN = 4.5 V, IO = 1 A
0 °C TJ 125 °C, 6 V VIN 16 V
10 Hz f 100 kHz
f = 120 Hz, 6 V VIN 16 V
0 °C TJ 125 °C, IO = 1 A
VIN = 6.5 V
VIN = 16 V
VIN = 6.5 V
VIN = 16 V
0 °C TJ 125 °C, IO = 5 mA
MIN.
4.8
4.75
46
1.15
1.1
1.4
TYP.
5.0
MAX.
5.2
5.25
Unit
V
23 50 mV
28 50 mV
2.2 4.0 mA
30 60
10 30 mA
80
2.9 20 mA
90 µVr.m.s.
61 dB
0.7 1.0
V
1.8 3.0
A
1.1
1.5 3.0
A
2.0 2.8
0.6 mV/°C
6

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
UPC2909HB

THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR

NEC
NEC
UPC2909HF

THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR

NEC
NEC
UPC2909T

THREE TERMINAL LOW DROPOUT VOLTAGE REGULATOR

NEC
NEC


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