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LM7912 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - (LM79XX) 3-Terminal 1 A Negative Voltage Regulator - Thinki Semiconductor

भाग संख्या LM7912
समारोह (LM79XX) 3-Terminal 1 A Negative Voltage Regulator
मैन्युफैक्चरर्स Thinki Semiconductor 
लोगो Thinki Semiconductor लोगो 
पूर्व दर्शन
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<?=LM7912?> डेटा पत्रक पीडीएफ

LM7912 pdf
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/
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