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MC7924

Description
15 V FIXED NEGATIVE REGULATOR, PSFM3
Categorysemiconductor    Power management   
File Size121KB,12 Pages
ManufacturerMotorola ( NXP )
Websitehttps://www.nxp.com
Download Datasheet Parametric View All

MC7924 Overview

15 V FIXED NEGATIVE REGULATOR, PSFM3

MC7924 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals3
Maximum output current1.5 A
Maximum output voltage15.45 V
Minimum output voltage14.55 V
Maximum input voltage30 V
Minimum input voltage17.5 V
Processing package descriptionTO-220, 3 PIN
stateACTIVE
packaging shapeRECTANGULAR
Package SizeFLANGE MOUNT
Terminal formTHROUGH-HOLE
terminal coatingTIN LEAD
Terminal locationSINGLE
Packaging MaterialsPLASTIC/EPOXY
Adjustment typeFIXED NEGATIVE REGULATOR
Rated output voltage15 V
Order this document by MC7900/D
Three-Terminal 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 seven–voltage 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 safe–area
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
MC7900
Series
THREE–TERMINAL
NEGATIVE FIXED
VOLTAGE REGULATORS
T SUFFIX
PLASTIC PACKAGE
CASE 221A
Heatsink surface
connected to Pin 2.
1
2
3
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor Safe–Area Compensation
Available in 2% Voltage Tolerance (See Ordering Information)
Representative Schematic Diagram
Gnd
14.7 k
2.4 k
2.0 k
2.0 k
8.0 k
1.0 k
4.0 k
12 k
1.0 k
1.6 k
R2
4.0 k
R1
Pin 1. Ground
2. Input
3. Output
D2T SUFFIX
PLASTIC PACKAGE
CASE 936
(D2PAK)
25
3.6 k
1.2 k
1
2
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
10 k
20 pF
10 pF
2.0 k
1.1 k
750
20 k
20 k
10 k
240
VO
STANDARD APPLICATION
MC79XX
Input
Cin*
0.33
µF
0.3
Output
CO**
1.0
µF
This device contains 26 active transistors.
VI
ORDERING INFORMATION
Device
MC79XXACD2T
MC79XXCD2T
MC79XXACT
MC79XXCT
MC79XXBD2T
4%
MC79XXBT
XX indicates nominal voltage.
TJ = – 40° to +125°C
Output Voltage
Tolerance
2%
Surface Mount
4%
2%
4%
TJ = 0° to +125°C
125°C
Insertion Mount
Surface Mount
Insertion Mount
Operating
Temperature Range
Package
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.
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MC7905
MC7905.2
MC7906
MC7908
©
Motorola, Inc. 1996
5.0 V
5.2 V
6.0 V
8.0 V
MC7912
MC7915
MC7918
MC7924
12 V
15 V
28 V
24 V
Rev 6
MOTOROLA ANALOG IC DEVICE DATA
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