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MC7915AC 반도체 회로 부품 판매점

1.0A Negative Voltage Regulators



ON Semiconductor 로고
ON Semiconductor
MC7915AC 데이터시트, 핀배열, 회로
MC7900 Series
1.0 A Negative Voltage
Regulators
The MC7900 series of fixed output negative voltage regulators are
intended as complements to the popular MC7800 series devices.
These negative regulators are available in the same sevenvoltage
options as the MC7800 devices. In addition, one extra voltage option
commonly employed in MECL systems is also available in the
negative MC7900 series.
Available in fixed output voltage options from 5.0 V to 24 V,
these regulators employ current limiting, thermal shutdown, and
safearea compensation making them remarkably rugged under
most operating conditions. With adequate heatsinking they can deliver
output currents in excess of 1.0 A.
No External Components Required
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor SafeArea Compensation
Available in 2% Voltage Tolerance (See Ordering Information)
PbFree Package May be Available. The GSuffix Denotes a
PbFree Lead Finish
2.0 k 8.0 k
Gnd
3.6 k 1.0 k 4.0 k R1
1.2 k 1.6 k
R2
10 k
20 pF
10 pF 10 k
2.0 k 20 k 20 k
1.1 k
This device contains 26 active transistors.
240
750
Figure 1. Representative Schematic Diagram
VO
0.3
VI
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TO220
T SUFFIX
CASE 221AB
Heatsink surface
connected to Pin 2.
1
2
3
Pin 1. Ground
2. Input
3. Output
D2PAK
D2T SUFFIX
CASE 936
12
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
STANDARD APPLICATION
Input
Cin*
0.33 mF
MC79XX
Output
CO**
1.0 mF
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 2.0 V above more negative even
during the high point of the input ripple voltage.
XX, These two digits of the type number
indicate nominal voltage.
** Cin is required if regulator is located an
appreciable distance from power supply filter.
** CO improve stability and transient response.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 14 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
July, 2013 Rev. 18
1
Publication Order Number:
MC7900/D


MC7915AC 데이터시트, 핀배열, 회로
MC7900 Series
MAXIMUM RATINGS (TA = +25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (5.0 V VO 18 V)
Input Voltage (24 V)
VI 35 Vdc
40
Power Dissipation
Case 221A
TA = +25°C
Thermal Resistance, JunctiontoAmbient
Thermal Resistance, JunctiontoCase
Case 936 (D2PAK)
TA = +25°C
Thermal Resistance, JunctiontoAmbient
Thermal Resistance, JunctiontoCase
PD Internally Limited W
qJA 65 °C/W
qJC 5.0 °C/W
PD Internally Limited W
qJA 70 °C/W
qJC 5.0 °C/W
Storage Junction Temperature Range
Tstg 65 to +150
°C
Junction Temperature
TJ +150 °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
*This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL_STD_883, Method 3015
Machine Model Method 200 V
MC7905B, MC7905C
ELECTRICAL CHARACTERISTICS (VI = 10 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (TJ = +25°C)
Line Regulation (Note 1)
(TJ = +25°C, IO = 100 mA)
7.0 Vdc VI 25 Vdc
8.0 Vdc VI 12 Vdc
(TJ = +25°C, IO = 500 mA)
7.0 Vdc VI 25 Vdc
8.0 Vdc VI 12 Vdc
Load Regulation, TJ = +25°C (Note 1)
5.0 mA IO 1.5 A
250 mA IO 750 mA
Output Voltage
7.0 Vdc VI 20 Vdc, 5.0 mA IO 1.0 A, P 15 W
Input Bias Current (TJ = +25°C)
Input Bias Current Change
7.0 Vdc VI 25 Vdc
5.0 mA IO 1.5 A
Output Noise Voltage (TA = +25°C, 10 Hz f 100 kHz)
Ripple Rejection (IO = 20 mA, f = 120 Hz)
Dropout Voltage
IO = 1.0 A, TJ = +25°C
VO
Regline
Regload
VO
IIB
DIIB
Vn
RR
VIVO
4.8
4.75
5.0 5.2
7.0 50
2.0 25
35 100
8.0 50
11 100
4.0 50
− −5.25
4.3 8.0
1.3
0.5
40
70
1.3
Vdc
mV
mV
Vdc
mA
mA
mV
dB
Vdc
Average Temperature Coefficient of Output Voltage
IO = 5.0 mA, Tlow* TJ +125°C
DVO/DT
mV/°C
− −1.0
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = 40°C for MC7905B and Tlow = 0°C for MC7905C.
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