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MC79M15BT

Part # MC79M15BT
Description IC REG LDO -15V 0.5A TO220AB
Category RECTIFIER
Availability In Stock
Qty 6
Qty Price
1 + $2.15560
Manufacturer Available Qty
Motorola Corp
Date Code: 9734
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

© Semiconductor Components Industries, LLC, 2006
August, 2006 − Rev. 11
1 Publication Order Number:
MC79M00/D
MC79M00 Series
500 mA Negative Voltage
Regulators
The MC79M00 series of fixed output negative voltage regulators
are intended as complements to the popular MC78M00 series devices.
Available in fixed output voltage options of −5.0 V, −8.0 V, −12 V
and −15 V, these regulators employ current limiting, thermal
shutdown, and safe−area compensation, making them remarkably
rugged under most operating conditions. With adequate heatsinking
they can deliver output currents in excess of 0.5 A.
• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe−Area Compensation
• Also Available in Surface Mount DPAK (DT) Package
• Pb−Free Packages are Available
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
Device Nominal Output Voltage
MC79M05
MC79M08
MC79M12
MC79M15
−5.0 V
−8.0 V
−12 V
−15 V
Figure 1. Representative Schematic Diagram
GND
V
O
V
I
2.4 k
25
3.6 k
1.2 k
1.1 k
2.0 k
12 k
1.0 k
4.9 k
2.0 k
14.7 k
11.5 k5472.0 k
4.0 k
0.3
10 k
10 k
20 k 20 k
20 pF
10 pF
240
750
100
2.0 k
This device contains 31 active transistors.
R1
R2
DPAK−3
DT SUFFIX
CASE 369C
Pin 1. Ground
2. Input
3. Output
TO−220−3
T SUFFIX
CASE 221AB
3
1
2
http://onsemi.com
THREE−TERMINAL
NEGATIVE FIXED
VOLTAGE REGULATORS
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
ORDERING INFORMATION
1
2
3
4
MARKING
DIAGRAMS
MC
79MxxyT
AWLYWWG
xx = 05, 08, 12, or 15
y = B or C
A = Assembly Location
WL, L = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Device
STANDARD APPLICATION
MC79MXX
Input
C
in
*
0.33 mF
Output
C
O
**
1.0 mF
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 1.1 V more negative even during
the high point of the input ripple voltage.
XXThese two digits of the type number indicate
nominal voltage.
*C
in
is required if regulator is located an
appreciable distance from power supply filter.
** C
O
improve stability and transient response.
9MxxBG
ALYWW
79MxxG
ALYWW
MC79M00 Series
http://onsemi.com
2
MAXIMUM RATINGS (T
A
= 25°C, unless otherwise noted.)
Rating
Symbol Value Unit
Input Voltage V
I
−35 Vdc
Power Dissipation
Case 221A (TO−220−3)
T
A
= 25°C P
D
Internally Limited W
Thermal Resistance, Junction−to−Ambient
q
JA
65 °C/W
Thermal Resistance, Junction−to−Case
q
JC
5.0 °C/W
Case 369C (DPAK−3)
T
A
= 25°C P
D
Internally Limited W
Thermal Resistance, Junction−to−Ambient
q
JA
92 °C/W
Thermal Resistance, Junction−to−Case
q
JC
6.0 °C/W
Storage Junction Temperature T
stg
−65 to +150 °C
Operating Junction Temperature Range T
J
−40 to +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
MC79M05B, C
ELECTRICAL CHARACTERISTICS
(V
I
= −10 V, I
O
= 350 mA, T
low
to T
high
(Note 2), unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
−4.8 −5.0 −5.2 Vdc
Line Regulation, T
J
= 25°C (Note 1)
−7.0 Vdc ≥ V
I
≥ −25 Vdc
−8.0 Vdc ≥ V
I
≥ −18 Vdc
Reg
line
−
−
7.0
2.0
50
30
mV
Load Regulation, T
J
= 25°C (Note 1)
5.0 mA ≤ I
O
≤ 500 mA
Reg
load
− 30 100
mV
Output Voltage
−7.0 Vdc ≥ V
I
≥ −25 Vdc, 5.0 mA ≤ I
O
≤ 350 mA
V
O
−4.75 − −5.25
Vdc
Input Bias Current (T
J
= 25°C) I
IB
− 4.3 8.0 mA
Input Bias Current Change
−8.0 Vdc ≥ V
I
≥ −25 Vdc, I
O
= 350 mA
5.0 mA ≤ I
O
≤ 350 mA, V
I
= −10 V
DI
IB
−
−
−
−
0.4
0.4
mA
Output Noise Voltage, T
A
= 25°C, 10 Hz ≤ f ≤ 100 kHz V
n
− 40 −
mV
Ripple Rejection (f = 120 Hz) RR 54 66 − dB
Dropout Voltage
I
O
= 500 mA, T
J
= 25°C
V
I
−V
O
− 1.1 −
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0°C ≤ T
J
≤ 125°C
DV
O
/DT
− 0.2 −
mV/°C
1. Load and line regulation are specified at constant temperature. Change in V
O
due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
2. B = T
low
to T
high
, −40°C < T
J
< 125°C C = T
low
to T
high
, 0°C < T
J
< 125°C.
MC79M00 Series
http://onsemi.com
3
MC79M08B, C
ELECTRICAL CHARACTERISTICS
(V
I
= −10 V, I
O
= 350 mA, T
low
to T
high
(Note 4), unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
−7.7 −8.0 −8.3 Vdc
Line Regulation, T
J
= 25°C (Note 3)
−7.0 Vdc ≥ V
I
≥ −25 Vdc
−8.0 Vdc ≥ V
I
≥ −18 Vdc
Reg
line
−
−
5.0
3.0
80
50
mV
Load Regulation, T
J
= 25°C (Note 3)
5.0 mA ≤ I
O
≤ 500 mA
Reg
load
− 30 100
mV
Output Voltage
−7.0 Vdc ≥ V
I
≥ −25 Vdc, 5.0 mA ≤ I
O
≤ 350 mA
V
O
−7.6 −8.0 −8.4
Vdc
Input Bias Current (T
J
= 25°C) I
IB
− − 8.0 mA
Input Bias Current Change
−8.0 Vdc ≥ V
I
≥ −25 Vdc, I
O
= 350 mA
5.0 mA ≤ I
O
≤ 350 mA, V
I
= −10 V
DI
IB
−
−
−
−
0.4
0.4
mA
Output Noise Voltage, T
A
= 25°C, 10 Hz ≤ f ≤ 100 kHz V
n
− 60 −
mV
Ripple Rejection (f = 120 Hz) RR 54 63 − dB
Dropout Voltage
I
O
= 500 mA, T
J
= 25°C
V
I
−V
O
− 1.1 −
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0°C ≤ T
J
≤ 125°C
DV
O
/DT
− 0.4 −
mV/°C
3. Load and line regulation are specified at constant temperature. Change in V
O
due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
4. B = T
low
to T
high
, −40°C < T
J
< 125°C
C = T
low
to T
high
, 0°C < T
J
< 125°C
MC79M12B, C
ELECTRICAL CHARACTERISTICS
(V
I
= −19 V, I
O
= 350 mA, T
low
to T
high
(Note 6), unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
−11.5 −12 −12.5 Vdc
Line Regulation, T
J
= 25°C (Note 5)
−14.5 Vdc ≥ V
I
≥ −30 Vdc
−15 Vdc ≥ V
I
≥ −25 Vdc
Reg
line
−
−
5.0
3.0
80
50
mV
Load Regulation, T
J
= 25°C (Note 5)
5.0 mA ≤ I
O
≤ 500 mA
Reg
load
− 30 240
mV
Output Voltage
−14.5 Vdc ≥ V
I
≥ −30 Vdc, 5.0 mA ≤ I
O
≤ 350 mA
V
O
−11.4 − −12.6
Vdc
Input Bias Current (T
J
= 25°C) I
IB
− 4.4 8.0 mA
Input Bias Current Change
−14.5 Vdc ≥ V
I
≥ −30 Vdc, I
O
= 350 mA
5.0 mA ≤ I
O
≤ 350 mA, V
I
= −19 V
DI
IB
−
−
−
−
0.4
0.4
mA
Output Noise Voltage, T
A
= 25°C, 10 Hz ≤ f ≤ 100 kHz V
n
− 75 −
mV
Ripple Rejection (f = 120 Hz) RR 54 60 − dB
Dropout Voltage
I
O
= 500 mA, T
J
= 25°C
V
I
−V
O
− 1.1 −
Vdc
Average Temperature Coefficient of Output Voltage
I
O
= 5.0 mA, 0°C ≤ T
J
≤ 125°C
DV
O
/DT
− −0.8 −
mV/°C
5. Load and line regulation are specified at constant temperature. Change in V
O
due to heating effects must be taken into account separately.
Pulse testing with low duty cycle is used.
6. B = T
low
to T
high
, −40°C < T
J
< 125°C
C = T
low
to T
high
, 0°C < T
J
< 125°C
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