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PDF NCV78LxxA Data sheet ( Hoja de datos )
| Número de pieza | NCV78LxxA | |
| Descripción | Three-Terminal Low Current Positive Voltage Regulators | |
| Fabricantes | ON Semiconductor | |
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MC78L00A Series,
NCV78L00A
100 mA Positive Voltage
Regulators
The MC78L00A Series of positive voltage regulators are
inexpensive, easy−to−use devices suitable for a multitude of
applications that require a regulated supply of up to 100 mA. Like
their higher powered MC7800 and MC78M00 Series cousins, these
regulators feature internal current limiting and thermal shutdown
making them remarkably rugged. No external components are
required with the MC78L00 devices in many applications.
These devices offer a substantial performance advantage over the
traditional zener diode−resistor combination, as output impedance
and quiescent current are substantially reduced.
Features
• Wide Range of Available, Fixed Output Voltages
• Low Cost
• Internal Short Circuit Current Limiting
• Internal Thermal Overload Protection
• No External Components Required
• Complementary Negative Regulators Offered (MC79L00A Series)
• Pb−Free Packages are Available
• NCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
15k
Q1
3.8k
Q3 Q5
Q4 Q6
Q11
Q12
Input
Q10
5.0k 3.0 Output
0−25k
1.2k
Z1 Q2
420
1.9k 19k 2.2k
C Q9
Q8
Q7
1.0k
2.85k
Ground
Figure 1. Representative Schematic Diagram
Input
MC78LXXA
Output
Cin*
0.33mF
CO**
Figure 2. Standard Application
A common ground is required between the input and the output voltages. The
input voltage must remain typically 2.0 V above the output voltage even during
the low point on the input ripple voltage.
* Cin is required if regulator is located an appreciable distance from power
supply filter.
** CO is not needed for stability; however, it does improve transient response.
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TO−92
P SUFFIX
1 CASE 029
23
Pin: 1. Output
2. Ground
3. Input
8
1
SOIC−8*
D SUFFIX
CASE 751
*SOIC−8 is an internally modified SO−8 package. Pins
2, 3, 6, and 7 are electrically common to the die attach
flag. This internal lead frame modification decreases
package thermal resistance and increases power
dissipation capability when appropriately mounted on
a printed circuit board. SOIC−8 conforms to all exter-
nal dimensions of the standard SO−8 package.
PIN CONNECTIONS
VOUT 1
GND 2
GND 3
NC 4
8 VIN
7 GND
6 GND
5 NC
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 13 of this data sheet.
© Semiconductor Components Industries, LLC, 2004
December, 2004 − Rev. 9
1
Publication Order Number:
MC78L00A/D
1 page  
MC78L00A Series, NCV78L00A
ELECTRICAL CHARACTERISTICS (VI = 27 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, 0°C < TJ < +125°C, unless otherwise noted.)
MC78L18AC
Characteristics
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
21.4 Vdc ≤ VI ≤ 33 Vdc
20.7 Vdc ≤ VI ≤ 33 Vdc
22 Vdc ≤ VI ≤ 33 Vdc
21 Vdc ≤ VI ≤ 33 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Output Voltage
(21.4 Vdc ≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(20.7 Vdc ≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 27 V, 1.0 mA ≤ IO ≤ 70 mA)
(VI = 27 V, 1.0 mA ≤ IO ≤ 70 mA)
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
Input Bias Current Change
(22 Vdc ≤ VI ≤ 33 Vdc)
(21 Vdc ≤ VI ≤ 33 Vdc)
(1.0 mA ≤ IO ≤ 40 mA)
Output Noise Voltage
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 23 V ≤ VI ≤ 33 V, TJ = +25°C)
Dropout Voltage
(TJ = +25°C)
Symbol Min Typ Max Unit
VO 17.3 18 18.7 Vdc
Regline − 45 325 mV
Regload
VO
−
−
−
35 275
mV
30 170
15 85
Vdc
17.1 − 18.9
17.1 − 18.9
IIB mA
− 3.1 6.5
− − 6.0
DIIB mA
− − 1.5
− − 0.1
Vn − 150 − mV
RR 33 48 − dB
VI − VO − 1.7 − Vdc
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5
5 Page 
MC78L00A Series, NCV78L00A
ORDERING INFORMATION
Device
Output Voltage
Operating
Temperature Range
Package
Shipping†
MC78L12ABD
SOIC−8
98 Units/Rail
MC78L12ABDR2
SOIC−8
2500 Tape & Reel
MC78L12ABP
MC78L12ABPRP
TJ = −40° to +125°C
TO−92
TO−92
2000 Units/Bag
2000 Ammo Pack
NCV78L12ABDR2*
SOIC_8
2500 Tape & Reel
MC78L12ACD
SOIC−8
98 Units/Rail
MC78L12ACDR2
SOIC−8
2500 Tape & Reel
MC78L12ACP
TO−92
2000 Units/Bag
MC78L12ACPRA
TO−92
2000 Tape & Reel
MC78L12ACPRAG
12 V
TO−92
(Pb−Free)
2000 Tape & Reel
MC78L12ACPRE
TO−92
2000 Tape & Reel
MC78L12ACPRM
MC78L12ACPRMG
TJ = 0° to +125°C
TO−92
TO−92
(Pb−Free)
2000 Ammo Pack
2000 Ammo Pack
MC78L12ACPRP
TO−92
2000 Ammo Pack
MC78L12ACPRPG
TO−92
(Pb−Free)
2000 Ammo Pack
MC78L12ACDR2G
SOIC−8
(Pb−Free)
2500 Tape & Reel
MC78L12ACPG
TO−92
(Pb−Free)
2000 Units/Bag
MC78L15ABD
SOIC−8
98 Units/Rail
MC78L15ABDR2
SOIC−8
2500 Tape & Reel
MC78L15ABDR2G
SOIC−8
(Pb−Free)
2500 Tape & Reel
MC78L15ABP
MC78L15ABPRA
TJ = −40° to +125°C
TO−92
TO−92
2000 Units/Bag
2000 Tape & Reel
MC78L15ABPRP
TO−92
2000 Ammo Pack
MC78L15ABPRPG
15 V
TO−92
(Pb−Free)
2000 Ammo Pack
MC78L15ACD
SOIC−8
98 Units/Rail
MC78L15ACDR2
SOIC−8
2500 Tape & Reel
MC78L15ACP
MC78L15ACPRA
TJ = 0° to +125°C
TO−92
TO−92
2000 Units/Bag
2000 Tape & Reel
MC78L15ACPRAG
TO−92
(Pb−Free)
2000 Tape & Reel
MC78L15ACPRP
TO−92
2000 Ammo Pack
*NCV78L12A: Tlow = −40°C, Thigh = +125°C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and change
control.
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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11
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| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet NCV78LxxA.PDF ] | |
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