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L7922CD2T 데이터시트 PDF




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부품번호 L7922CD2T 기능
기능 NEGATIVE VOLTAGE REGULATORS
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L7922CD2T 데이터시트, 핀배열, 회로
L7900
® SERIES
NEGATIVE VOLTAGE REGULATORS
s OUTPUT CURRENT UP TO 1.5 A
s OUTPUT VOLTAGES OF -5; -5.2; -6; -8; -9;
-12; -15; -18; -20; -22; -24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
DESCRIPTION
The L7900 series of three-terminal negative
regulators is available in TO-220, ISOWATT220
TO-3 and D2PAK packages and several fixed
output voltages, making it useful in a wide range
of applications.These regulators can provide local
on-card regulation, eliminating the distribution
problems associated with single point regulation;
furthermore, having the same voltage option as
the L7800 positive standard series, they are
particularly suited for split power supplies. In
addition, the -5.2V is also available for ECL
system. If adequate heat sinking is provided,
they can deliver over 1.5A output current.
Although designed primarily as fixed voltage
regulators, these devices can be used with
external components to obtain adjustable
voltages and currents.
SCHEMATIC DIAGRAM
1
2
TO-3
3
1
D2PAK
TO-220
3
2
1
ISOWATT220
November 1999
1/13




L7922CD2T pdf, 반도체, 판매, 대치품
L7900
ELECTRICAL CHARACTERISTICS FOR L7906C (refer to the test circuits, Tj = 0 to 150 oC,
Vi = -11V, Io = 500 mA, Ci = 2.2 µF, Co = 1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
-5.75 -6 -6.25
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = -9.5 to -21.5 V
Vi = -8.5 to -25 V Tj = 25 oC
Vi = -9 to -15 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-5.7 -6 -6.3
1 20
60
1 20
60
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -9.5 to -25 V
1.3
Vo Output Voltage Drift
T
Io = 5 mA
-0.6
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
144
SVR Supply Voltage Rejection
Vd Dropout Voltage
Vi = 10 V f = 120 Hz
Io = 1 A
Tj = 25 oC
VO = 100 mV
54 60
1.4
Is c Short Circuit Current
Iscp Short Circuit Peak Current
Tj = 25 oC
2
2.5
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
A
A
ELECTRICAL CHARACTERISTICS FOR L7908C (refer to the test circuits, Tj = 0 to 150 oC,
Vi = -14V, Io = 500 mA, Ci = 2.2 µF, Co = 1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
-7.7 -8 -8.3
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = -11.5 to -23 V
Vi = -10.5 to -25 V Tj = 25 oC
Vi = -11 to -17 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-7.6 -8 -8.4
1 60
80
1 60
80
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -11.5 to -25 V
1.3
Vo Output Voltage Drift
T
Io = 5 mA
-0.6
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
175
SVR Supply Voltage Rejection
Vd Dropout Voltage
Vi = 10 V f = 120 Hz
Io = 1 A
Tj = 25 oC
VO = 100 mV
54 60
1.1
Is c Short Circuit Current
Iscp Short Circuit Peak Current
Tj = 25 oC
1.5
2.5
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
A
A
* Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account
separately. Pulce testing with low duty cycle is used.
4/13

4페이지










L7922CD2T 전자부품, 판매, 대치품
L7900
ELECTRICAL CHARACTERISTICS FOR L7922C (refer to the test circuits, Tj = 0 to 150 oC,
Vi = -31V, Io = 500 mA, Ci = 2.2 µF, Co = 1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
-21.1 -22 -22.9
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = -26 to -37 V
Vi = -25 to -37 V Tj = 25 oC
Vi = -28 to -34 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-20.9 -22 -23.1
4 40
2 20
4 40
2 20
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -26 to -37 V
1
Vo Output Voltage Drift
T
Io = 5 mA
-1.1
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
375
SVR Supply Voltage Rejection
Vd Dropout Voltage
Vi = 10 V f = 120 Hz
Io = 1 A
Tj = 25 oC
VO = 100 mV
54 60
1.1
Is c Short Circuit Current
Iscp Short Circuit Peak Current
Tj = 25 oC
1.1
2.2
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
A
A
ELECTRICAL CHARACTERISTICS FOR L7924C (refer to the test circuits, Tj = 0 to 150 oC,
Vi = -33V, Io = 500 mA, Ci = 2.2 µF, Co = 1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
-23 -24 -25
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = -27 to -38 V
Vi = -27 to -38 V Tj = 25 oC
Vi = -30 to -36 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-22.8 -24 -25.2
4 80
2 40
4 80
2 40
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -27 to -38 V
1
Vo Output Voltage Drift
T
Io = 5 mA
-1
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
400
SVR Supply Voltage Rejection
Vd Dropout Voltage
Vi = 10 V f = 120 Hz
Io = 1 A
Tj = 25 oC
VO = 100 mV
54 60
1.1
Is c Short Circuit Current
Iscp Short Circuit Peak Current
Tj = 25 oC
1.1
2.2
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
A
A
* Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account
separately. Pulce testing with low duty cycle is used.
7/13

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L7922CD2T

NEGATIVE VOLTAGE REGULATORS

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