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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
PC7900A Series
THREE TERMINAL NEGATIVE VOLTAGE REGULATOR
DESCRIPTION
PC7900A series are monolithic three terminal negative regulators which employ internally current limiting, thermal
shut down, output transistor safe operating area protection make them essentially indestructible. They are intended as fixed voltage regulators in a wide range of application including local on card regulation for elimination of distribution problems associated wide single point regulation.
FEATURES
* Wide operation temperature range. TA: -30 C to +85 C * Good load regulation. 7 mV TYP. (250 mA IO 750 mA): PC7905AHF * Low noise.
ORDERING INFORMATION
Part Number Output Voltage -5 V -8 V -12 V -15 V -18 V -24 V Package MP-45G (ISOLATED TO-220) MP-45G (ISOLATED TO-220) MP-45G (ISOLATED TO-220) MP-45G (ISOLATED TO-220) MP-45G (ISOLATED TO-220) MP-45G (ISOLATED TO-220)
PC7905AHF PC7908AHF PC7912AHF PC7915AHF PC7918AHF PC7924AHF
The information in this document is subject to change without notice. Document No. G10640EJ3V0DS00 (3rd edition) (Previous No. IC-3486) Date Published March 1997 N Printed in Japan
(c)
1994
PC7900A Series
EQUIVALENT CIRCUIT
R4
R15 Q8
R8
R9 Q9
R21
R22 Q15 Q18
R27
R25
Q12 R5
Q5 Q13 D1 D4 C1 D5 R6 Q1 Q14 R7 Q2 R10 R3 R18 Q3 R1 R2 Q7 Q4 Q11
Q10 Q17 R20 R16 Q6 Q29 Q20 R19 R23 R24 Q22 C3 R30 R31 Q21 C4 R32 Q19 R12 R17 Q27 D6 Q23 Q16 R28 R29 Q25 R14 R13 Q28 Q24 D2
R26
OUTPUT Q26 R11 INPUT
CONNECTION DIAGRAM
Marking
GND INPUT OUTPUT
TYPICAL CONNECTION
D1
INPUT CIN
PC7900A
D2 COUT
OUTPUT
CIN : More than 2.2 F COUT : More than 0.33 F D1 D2 : Needed for VIN > VO : Needed for VO > GND
2
PC7900A Series
ABSOLUTE MAXIMUM REATINGS (TA = 25 C)
Parameter Input Voltage Internal Power Dissipation Operating Ambient Temperature Range Operating Junction Temperature Range Storage Temperature Range Thermal Resistance (junction to case) Thermal Resistance (junction to ambient) VIN PT TA TJ Tstg Rth(J-C) Rth(J-A) Symbol Rating -35/-40 15 -30 to +85 -30 to +150 -55 to +150 5.0 65
Note 1 Note 2
Unit V W C C C C/W C/W
Note 1. PC7905A, 08A, 12A, 15A, 18A: -35 V, PC7924A: -40 V 2. Internally limited
RECOMMENDED OPERATING CONDITIONS
Parameter Input Voltage Symbol VIN Part Number MIN. -7 -10.5 -14.5 -17.5 -21 -27 0.005 -30 TYP. -10 -14 -19 -23 -27 -33 MAX. -25 -25 -30 -30 -33 -38 1 +85 A C Unit V
PC7905AHF PC7908AHF PC7912AHF PC7915AHF PC7918AHF PC7924AHF
Output Current Operating Ambient Temperature Operating Junction Temperature Range
IO TA
All All
TJ
All
-30
+125
C
3
PC7900A Series
ELECTRICAL CHARACTERISTICS (TA = 25 C)
PC7905A
(VIN = -10 V, Io = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -7 V VIN -20 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -7 V VIN -25 V TJ = 25 C, -8 V VIN -12 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -7 V VIN -25 V 5 mA IO 1 A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, f = 120 Hz, -8 V VIN -18 V, IO = 500 mA TJ = 25 C, IO = 1A TJ = 25 C IO = 5 mA 1.6 56 77 63 Conditions MIN. -4.8 -4.75 TYP. -5.0 MAX. -5.2 -5.25 Unit V
-4.75 25 3 30 7 3.6
-5.25 100 50 100 50 6.0 1.3 0.5 mA mA mV mV
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 0.36 2.8
V A mV/C
PC7908A
(VIN = -14 V, IO = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -10.5 V VIN -23 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -10.5 V VIN -25 V TJ = 25 C, -11 V VIN -17 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -10.5 V VIN -25 V 5 mA IO 1 A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, -11.5 V VIN -21.5 V, f = 120 Hz, IO = 500 mA TJ = 25 C, IO = 1 A TJ = 25 C IO = 5 mA 1.6 52 130 58 Conditions MIN. -7.7 -7.6 TYP. -8.0 MAX. -8.3 -8.4 Unit V
-7.6 33 14 40 14 3.9
-8.4 150 75 160 80 6.0 1.0 0.5 mA mA mV mV
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 0.32 2.8
V A mV/C
4
PC7900A Series
PC7912A
(VIN = -19 V, IO = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -14.5 V VIN -27 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -14.5 V VIN -30 V TJ = 25 C, -16 V VIN -22 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -14.5 V VIN -30 V 5 mA IO 1A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, f = 120 Hz, -15 V VIN -25 V, IO = 500 mA TJ = 25 C, IO = 1A TJ = 25 C IO = 5 mA 1.6 49 140 56 Conditions MIN. -11.5 -11.4 TYP. -12 MAX. -12.5 -12.6 Unit V
-11.4 60 25 70 20 4.1
-12.6 200 100 220 110 6.2 1.0 0.5 mA mA mV mV
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 0.04 2.8
V A mV/C
PC7915A
(VIN = -23 V, IO = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -17.5 V VIN -30 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -17.5 V VIN -30 V TJ = 25 C, -20 V VIN -26 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -17.5 V VIN -30 V 5 mA IO 1 A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, f = 120 Hz, -18.5 V VIN -28.5 V, IO = 500 mA TJ = 25 C, IO = 1 A TJ = 25 C IO = 5 mA 1.6 47 240 54 -14.25 60 30 100 30 4.2 -15.75 200 100 300 150 6.2 1.0 0.5 mA mA mV mV Conditions MIN. -14.4 -14.25 TYP. -15 MAX. -15.6 -15.75 Unit V
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 1.2 2.8
V A mV/C
5
PC7900A Series
PC7918A
(VIN = -27 V, IO = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -21 V VIN -33 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -21 V VIN -33 V TJ = 25 C, -24 V VIN -30 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -21 V VIN -33 V 5 mA IO 1 A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, f = 120 Hz, -22 V VIN -32 V, IO = 500 mA TJ = 25 C, IO = 1 A TJ = 25 C IO = 5 mA 1.6 45 190 53 Conditions MIN. -17.3 -17.1 TYP. -18 MAX. -18.7 -18.9 Unit V
-17.1 60 30 125 47 4.1
-18.9 240 120 360 180 6.5 1.0 0.5 mA mA mV mV
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 0.24 2.8
V A mV/C
PC7924A
(VIN = -33 V, IO = 500 mA, 0 C TJ +125 C)
Parameter Output Voltage Symbol VO TJ = 25 C -27 V VIN -38 V, 5 mA IO 1 A, PT 15 W -30 C TJ +125 C Line Regulation REGIN TJ = 25 C, -27 V VIN -38 V TJ = 25 C, -30 V VIN -36 V Load Regulation REGL TJ = 25 C, 5 mA IO 1.5 A TJ = 25 C, 250 mA IO 750 mA Quiescent Current Quiescent Current Change IBIAS IBIAS TJ = 25 C -27 V VIN -38 V 5 mA IO 1 A Output Noize Voltage Ripple Rejection Vn R*R TJ = 25 C, 10 Hz f 100 kHz TJ = 25 C, f = 120 Hz, -28 V VIN -38 V, IO = 500 mA TJ = 25 C, IO = 1 A TJ = 25 C IO = 5 mA 1.6 43 240 49 Conditions MIN. -23.0 -22.8 TYP. -24 MAX. -25.0 -25.2 Unit V
-22.8 70 37 160 60 4.2
-25.2 280 140 480 240 6.5 1.0 0.5 mA mA mV mV
Vr.m.s
dB
Dropout Voltage Peak Output Current Temperature Coefficient of Output Voltage
VDIF IOpeak |VO/T|
1.2 2.2 1.1 2.8
V A mV/C
6
PC7900A Series
TYPICAL CHARACTERISTICS (TA = 25 C)
PT - TA 20 50 VO - TJ
VO - Output Voltage Deviation - mV
PT - Total Power Dissipation - W
25 0 -25 -50 -75 -100 -125 -150 -175 -200 -25 0 25 IO = 5 mA VO = VO(TJ = 25 C) - VO(TJ) 50 75 100 125 150
With infinite heatsink 15
PC7905A PC7912A PC7918A
10
5 Without heatsink 0 25 50 75 85 C
100
125
150
TA - Operating Ambient Temperature - C IOpeak - (VIN - VOUT) 3 2.0 1.75 2.5 TJ = -30 C 25 C 125 C
TJ - Junction Temperature - C VDIF - IO
IOpeak - Peak Output Current - A
VDIF - Dropout Voltage - V
1.5 1.25 1.0 0.75 0.5 0.25
TJ = -30 C
2
25 C 125 C
1.5
1
0
4
8
12
16
20
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 IO - Output Current - A
1
(VIN - VOUT) - Input to Output Differential Voltage - V R*R - f 100 90
R*R - Ripple Rejection - dB
80 70 60 50 40 30 20 10 0 101 102 103
PC7912A PC7918A
PC7905A
104
105
f - Frequency - Hz
7
PC7900A Series
PC7900AHF Series
3PIN PLASTIC SIP (MP-45G)
A B E N P
I L
Q D
1 3
M
K
Y
H Z C F
NOTE
J
V
U
G
M
ITEM A B C D E F G H I J K L M N P Q U V Y Z
MILLIMETERS 10.4 MAX. 7.0 1.2 MIN. 17.00.3
INCHES 0.410 MAX. 0.276 0.047 MIN. 0.669 +0.013 -0.012
Each lead centerline is located within 0.25 mm (0.01 inch) of its true position (T.P.) at maximum material condition.
3.30.2
0.750.10 0.25 2.54 (T.P.) 5.00.3 2.66 MAX. 4.8 MIN. 8.5 8.5 4.50.2 2.80.2 22.4 MAX. 2.40.5 0.650.10 8.90.7 1.0 MIN.
0.1300.008
0.030 +0.004 -0.005 0.010 0.100 (T.P.) 0.1970.012 0.105 MAX. 0.188 MIN. 0.335 0.335 0.1770.008 0.110 +0.009 -0.008 0.882 MAX. 0.094 +0.021 -0.020 0.026 +0.004 -0.005 0.3500.028 0.039 MIN. P3HF-254B-2
8
PC7900A Series
RECOMMENDED SOLDERING CONDITIONS
When soldering this product, it is highly recommended to observe the conditions as shown below. If other soldering processes are used, or if the soldering is performed under different conditions, please make sure to consult with our sales offices. For more details, refer to our document "SEMICONDUCTOR DEVICE MOUNTING TECHNOLOGY MANUAL" (C10535E).
TYPES OF THROUGH HOLE MOUNT DEVICE
PC7900AHF Series
Soldering Process Wave soldering Soldering Conditions Solder temperature: 260 C or below. Flow Time: 10 seconds or below. Symbol
REFERENCE
Document Name NEC semiconductor device reliability/quality control system. Quality grade on NEC semiconductor devices. Semiconductor device mounting technology manual. IC package manual. Guide to quality assurance for semiconductor devices. Semiconductors selection guide. Document No. IEI-1212 C11531E C10535E C10943X MEI-1202 X10679E
9
PC7900A Series
[MEMO]
10
PC7900A Series
[MEMO]
11
PC7900A Series
[MEMO]
No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Corporation or others. While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance. Anti-radioactive design is not implemented in this product.
M4 96.5

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