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PDF KA79L18A Data sheet ( Hoja de datos )
| Número de pieza | KA79L18A | |
| Descripción | (KA79LxxAx) LINEAR INTEGRATED CIRCUIT | |
| Fabricantes | Fairchild | |
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www.fairchildsemi.com
KA79LXXA
3-Terminal 0.1A Negative Voltage Regulator
Features
• Output Current up to 100mA
• No External Components
• Internal Thermal Over Load Protection
• Internal Short Circuit Current Limiting
• Output Voltage Offered in ±5% Tolerance
• Output Voltage of -5V, -8V, -12V, -15V, -18V
and -24V
Description
These regulators employ internal current limiting and
thermal shutdown, making them essentially indestructible.
TO-92
SOT-89
1
1
1.GND 2.Input 3.Output
8-SOP
1
1. Output 2.3.6.7. Input 5. GND 4.8. NC
Internal Block Diagram
R26
Q10
Q12
Q11
R15
R22
Q5
D3
R23+R21
D2
R18
Q6
Q7
R
Q16Q14
R28 R24
Q15
Q13
R25
Q4
Q17
C1
Q9 R17 Q8 Q1
R16
R1
R2
R29 R7
D1
Q2 Q3
R6
R3
R4
R5
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.2
1 page  
KA79LXXA
Electrical Characteristics(KA79L15A) (Continued)
(VI = -23V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0°C ≤TJ ≤ +125°C, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Symbol
VO
∆VO
Load Regulation (Note1)
∆VO
Output Voltage
VO
Quiescent Current
Quiescent Current With Line
Change
With Load
Output Noise Voltage
Ripple Rejection
Dropout Voltage
IQ
∆IQ
∆IQ
VN
RR
VD
Conditions
Min. Typ. Max. Unit
TJ = +25°C
-14.4 -15.0 -15.6 V
TJ = +25°C
-17.5V ≥ VI ≥ -30V
-20V ≥ VI ≥ -30V
- - 300 mV
- - 250 mV
TJ = +25°C
1.0mA ≤ IO ≤ 100mA
1.0mA ≤ IO ≤ 40mA
-
-
- 150 mV
- 75 mV
-17.5V ≥ VI ≥ -30V, 1.0mA ≤ IO ≤ 40mA -14.25 - -15.75 V
VI = -23V, 1.0mA ≤ IO ≤ 70mA
-14.25 - -15.75 V
TJ = +25°C
TJ = +125°C
- - 6.0
mA
- - 6.5
-20V ≥ VI ≥ -30V
- - 1.5 mA
1.0mA ≤ IO ≤ 40mA
- - 0.1 mA
TA = +25°C,10Hz ≤ f ≤ 100kHz
- 90 - µV
f = 120Hz, -18.5V ≥ VI ≥ -28.5V
TJ = +25°C
34 39 - dB
TJ = +25°C
- 1.7 -
V
Note
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
5
5 Page 
Mechanical Dimensions (Continued)
Package
4.50 ±0.20
1.65 ±0.10
SOT-89
C0.2
KA79LXXA
Dimensions in millimeters
1.50 ±0.20
(0.40)
0.50 ±0.10
0.40 ±0.10
1.50 TYP 1.50 TYP
0.40
+0.10
–0.05
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet KA79L18A.PDF ] | |
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