파트넘버.co.kr LM79XX 데이터시트 PDF


LM79XX 반도체 회로 부품 판매점

(LM79XX) 3-Terminal 1 A Negative Voltage Regulator



Thinki Semiconductor 로고
Thinki Semiconductor
LM79XX 데이터시트, 핀배열, 회로
LM79XX
®
LM79XX
Pb Free Plating Product
3-Terminal 1 A Negative Voltage Regulator
Pb
Features
Output Voltage: -5 & -12V
Output current up to 1A
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output transistor safe-area compensation
Output voltage offered in 4% tolerance
TO-220M-1
Unit : (mm)
Standard Application Circuit
LM79XX
A common ground is required between the input and
the output voltages. The input voltage must remain
typically 2.0V above the output voltage even during
the low point on the Input ripple voltage.
XX = these two digits of the type number indicate
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.
Absolute Maximum Rating (Ta = 25oC unless otherwise noted)
Parameter
Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature Range
Thermal Resistance - Junction to Case
Thermal Resistance - Junction to Ambient
Note: * Follow the derating curve
TO-220
ITO-220
TO-220
ITO-220
Symbol
VIN
PD
TJ
TSTG
RӨJC
RӨJA
Limit
-35
Internal Limited
+150
-65~+150
3
5
50
60
Unit
V
W
oC
oC
oC/W
oC/W
© 2006 Thinki Semiconductor Co.,Ltd.
Page 1/3
http://www.thinkisemi.com/
Free Datasheet http://www.datasheet4u.com/


LM79XX 데이터시트, 핀배열, 회로
LM79XX
®
LM7905 ElectricalCharacteristics
(Vin= -10V, Iout=500mA, 0oCTj125oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Parameter
Symbol
Test Condition
Min Typ Max Unit
Tj=25oC
-4.80 -5 -5.20
Output voltage
Vout
-7.5VVin-20V,
10mAIout1A, PD15W
-4.75 -5 -5.25
V
Line Regulation
Load Regulation
Quiescent Current
REGline
REGload
Iq
Tj=25oC -7.5VVin-25V
-8VVin-12V
Tj=25oC 10mAIout1A
250mAIout750mA
Iout=0, Tj=25oC
--
--
--
--
--
3 100
1 50
mV
15 100
5 50
48
Quiescent Current
Change
Output Noise Voltage
-7.5VVin-25V
Iq
10mAIout1A
Vn 10Hzf100KHz, Tj=25oC
-- -- 1.3 mA
-- -- 0.5
-- 40 -- µV
Ripple Rejection Ratio
Voltage Drop
Output Short Circuit
Current
Peak Output Current
RR
Vdrop
Ios
Io peak
f=120Hz, -8VVin-18V
Iout=1A, Tj=25oC
Tj=25oC
Tj=25oC
62 74
-- 2
-- 750
-- 2.1
--
--
--
--
dB
V
mA
A
Temperature Coefficient
of Output Voltage
Vout/ Tj Iout=10mA, 0oCTj125oC
-- -0.1 -- mV/ oC
LM7912 ElectricalCharacteristics
(Vin= -19V, Iout=500mA, 0oCTj125oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Parameter
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current
Change
Output Noise Voltage
Ripple Rejection Ratio
Voltage Drop
Output Short Circuit
Current
Peak Output Current
Temperature Coefficient
of Output Voltage
Symbol
Test Condition
Min Typ Max Unit
Tj=25oC
-11.53 -12 -12.48
Vout
-14.5VVin-27V,
10mAIout1A, PD 15W
-11.42 -12 -12.60
V
REGline
REGload
Iq
Tj=25oC -14.5VVin-30V
-15VVin-19V
Tj=25oC 10mAIout1A
250mAIout750mA
Tj=25oC, Iout=0
--
--
--
--
--
10 240
3 120
12 240
4 120
4.3 8
mV
Iq -14.5VVin-30V
10mAIout1A
Vn 10Hzf100KHz, Tj=25oC
-- -- 1 mA
-- -- 0.5
-- 75 --
uV
RR
Vdrop
Ios
f=120Hz, -15VVin-25V
Iout=1A, Tj=25oC
Tj=25oC
55 70
-- 2
-- 350
--
--
--
dB
V
mA
Io peak Tj=25oC
-- 2.1 --
A
Vout/ Tj Iout=10mA, 0oCTj125oC
-- -1 -- mV/ oC
Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as
possible, and thermal effects must be taken into account separately.
This specification applies only for DC power dissipation permitted by absolute maximum ratings.
Page 2/3
© 2006 Thinki Semiconductor Co.,Ltd.
http://www.thinkisemi.com/
Free Datasheet http://www.datasheet4u.com/




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