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7812 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 3-Terminal 1A Positive Voltage Regulator - Fairchild Semiconductor

भाग संख्या 7812
समारोह 3-Terminal 1A Positive Voltage Regulator
मैन्युफैक्चरर्स Fairchild Semiconductor 
लोगो Fairchild Semiconductor लोगो 
पूर्व दर्शन
1 Page
		
<?=7812?> डेटा पत्रक पीडीएफ

7812 pdf
KA78XX/KA78XXA
Absolute Maximum Ratings
Parameter
Input Voltage (for VO = 5V to 18V)
(for VO = 24V)
Thermal Resistance Junction-Cases (TO-220)
Thermal Resistance Junction-Air (TO-220)
Operating Temperature Range (KA78XX/A/R)
Storage Temperature Range
Symbol
VI
VI
RθJC
RθJA
TOPR
TSTG
Value
35
40
5
65
0 ~ +125
-65 ~ +150
Unit
V
V
°C/W
°C/W
°C
°C
Electrical Characteristics (KA7805/KA7805R)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =10V, CI= 0.33µF, CO=0.1µF, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Symbol
VO
Regline
Regload
IQ
IQ
VO/T
VN
RR
VDrop
rO
ISC
IPK
Conditions
TJ =+25 oC
5.0mA Io 1.0A, PO 15W
VI = 7V to 20V
TJ=+25 oC
VO = 7V to 25V
VI = 8V to 12V
TJ=+25 oC
TJ =+25 oC
IO = 5.0mA to1.5A
IO =250mA to 750mA
IO = 5mA to 1.0A
VI= 7V to 25V
IO= 5mA
f = 10Hz to 100KHz, TA=+25 oC
f = 120Hz
VO = 8V to 18V
IO = 1A, TJ =+25 oC
f = 1KHz
VI = 35V, TA =+25 oC
TJ =+25 oC
KA7805
Min. Typ. Max.
4.8 5.0 5.2
4.75 5.0 5.25
- 4.0 100
- 1.6 50
- 9 100
- 4 50
- 5.0 8.0
- 0.03 0.5
- 0.3 1.3
- -0.8 -
- 42 -
62 73 -
- 2-
- 15 -
- 230 -
- 2.2 -
Unit
V
mV
mV
mA
mA
mV/ oC
µV/VO
dB
V
m
mA
A
Note:
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 is used.
2

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डाउनलोड[ 7812 Datasheet.PDF ]


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