upc2918 Renesas Electronics Corporation., upc2918 Datasheet

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upc2918

Manufacturer Part Number
upc2918
Description
Three-terminal Low Dropout Voltage Regulator
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPC2918.pdf (14 pages)

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<R>
Document No. G14983EJ5V0DS00 (5th edition)
Date Published August 2007 NS
Printed in Japan
outputs 1.8 V, the
transistor for the output stage, they achieve a low dropout voltage of 0.7 V TYP. at I
dissipation of the IC. As a result, these regulators can be used to realize sets with lower voltage and power
dissipation.
FEATURES
PIN CONFIGURATIONS (Marking Side)
Notes 1. No.2 pin and No.4 fin are common GND.
DESCRIPTION
• Output current capacity: 1 A
• Low dropout voltage
• Output voltage accuracy: V
μ
μ
μ
The
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
V
PC2926HF: Isolated TO-220 (MP-45G)
PC2918HF,
PC2925HF,
DIF
μ
= 0.5 V MAX. (I
2. No.2 pin is cut. No.2 pin and No.4 fin are common GND.
PC2918, 2925 and 2926 are three-terminal low dropout voltage regulators with the 1-A output. The
1
THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
2
3
μ
PC2925 outputs 2.5 V and the
O
1: INPUT
2: GND
3: OUTPUT
= 0.5 A)
O
± 2%
The mark <R> shows major revised points.
BIPOLAR ANALOG INTEGRATED CIRCUIT
DATA SHEET
μ
μ
μ
μ
PC2918HB,
PC2925HB,
PC2926HB: SC-64 (MP-3)
1
PC2918, 2925, 2926
μ
PC2926 outputs 2.6 V. Since these regulators use a PNP
2
• On-chip saturation protector rising edge of input voltage
• On-chip over-current limiter and thermal protection
• On-chip output transistor safe operation area protection
4
(at low input voltage)
3
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
Note1
O
= 1 A and minimize the power
μ
μ
μ
PC2918T,
PC2925T,
PC2926T: SC-63 (MP-3Z)
1
2
4
3
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
μ
PC2918
2000, 2001, 2007
Note2

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upc2918 Summary of contents

Page 1

THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR DESCRIPTION μ The PC2918, 2925 and 2926 are three-terminal low dropout voltage regulators with the 1-A output. The μ outputs 1.8 V, the PC2925 outputs 2.5 V and the transistor for the output stage, they ...

Page 2

BLOCK DIAGRAM Start-up Reference circuit voltage Thermal shut down 2 Safe operating area protection Saturation Error Drive protection Amp. circuit Over-current protection Data Sheet G14983EJ5V0DS μ PC2918, 2925, 2926 INPUT OUTPUT GND ...

Page 3

ORDERING INFORMATION Part Number μ PC2918HF μ PC2918HB μ PC2918T μ PC2925HF μ PC2925HB μ PC2925T μ PC2926HF μ PC2926HB μ PC2926T Remark Tape-packaged products have the symbol -E1, or -E2 suffixed to the part number. Pb-free products have ...

Page 4

ABSOLUTE MAXIMUM RATINGS (T Parameter Input Voltage Note Internal Power Dissipation (T = 25°C) C Operating Ambient Temperature Operating Junction Temperature Storage Temperature Thermal Resistance (junction to case) Thermal Resistance (junction to ambient) Note Internally limited. When the operating junction ...

Page 5

RECOMMENDED OPERATING CONDITIONS Parameter Symbol Input Voltage V IN Output Current I O Operating Ambient Temperature T A Operating Junction Temperature T J Caution Use of conditions other than the above-listed recommended operating conditions is not a problem as long ...

Page 6

PC2925 (T = 25° Parameter Symbol Output Voltage V O Line Regulation REG IN Load Regulation REG L Quiescent Current I BIAS Startup Quiescent Current I BIAS(S) ...

Page 7

TYPICAL CHARACTERISTICS (Reference Values) <R> Solid line: PC29xxHF Broken line 1.92 1 100 T - Operating Ambient Temperature - ˚C A μ PC2918) O ...

Page 8

V vs. T DIF J 1 0.8 0.6 0.4 0.2 0 − 100 - Operating Junction Temperature - ° μ PC2925) Opeak DIF 2 25˚C J ...

Page 9

V vs PC2918 1.8 1 0.8 0.6 0.4 0 25˚ 0.5 ...

Page 10

PACKAGE DRAWINGS μ μ μ PC2918HF, PC2925HF, PC2926HF 3PIN PLASTIC SIP (MP-45G NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition ...

Page 11

PC2918HB, PC2925HB, PC2926HB SC-64 (MP-3) (Unit: mm) 1.1±0.1 μ μ μ PC2918T, PC2925T, PC2926T SC-63 (MP-3Z) (Unit: mm) <R> 2.3±0.3 Note The depth of notch at the top of the fin is from 0 to 0.2 mm. ...

Page 12

RECOMMENDED SOLDERING CONDITIONS <R> μ The PC2918, 2925 and 2926 should be soldered and mounted under the following recommended conditions. For soldering methods and conditions other than those recommended below, contact an NEC Electronics sales representative. For technical information, see ...

Page 13

Through-hole devices μ μ PC29xxHF Series, PC29xxHF-AZ Series μ μ PC29xxHB Series, PC29xxHB-AZ Series Process Wave soldering Solder temperature: 260°C or below, Flow time: 10 seconds or less. (only to leads) Partial heating method Pin temperature: 350°C or below, Heat ...

Page 14

The information in this document is current as of August, 2007. The information is subject to change without notice. For actual design-in, refer to the latest publications of NEC Electronics data sheets or data books, etc., for the most ...

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