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L7905ACD2T PDF даташит

Спецификация L7905ACD2T изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «2% NEGATIVE VOLTAGE REGULATORS».

Детали детали

Номер произв L7905ACD2T
Описание 2% NEGATIVE VOLTAGE REGULATORS
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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L7905ACD2T Даташит, Описание, Даташиты
L7900AC
® SERIES
2% NEGATIVE VOLTAGE REGULATORS
s OUTPUT CURRENT UP TO 1.5 A
s OUTPUT VOLTAGES OF -5; -5.2; -6; -8; -12;
-15; -18; -20; -22; -24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
DESCRIPTION
The L7900AC series of three-terminal negative
regulators is available in TO-220 and D2PAK
packages and several fixed output voltages.
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 L7800A 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
3
1
D2PAK
TO-220
November 1999
1/11









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L7905ACD2T Даташит, Описание, Даташиты
L7900AC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi DC Input Voltage (for VO = -5 to -18V)
(for VO = -20, -24V)
Io Output Current
Ptot Power Dissipation
Top Operating Junction Temperature Range
Tstg Storage Temperature Range
THERMAL DATA
Symbol
Parameter
Rthj- ca se Thermal Resistance Junction-case
Rthj-amb Thermal Resistance Junction-ambient
Value
-35
-40
Internally limited
Internally limited
0 to 125
- 65 to 150
Unit
V
V
oC
oC
Max
Max
D2PAK
3
62.5
TO-220
3
50
Unit
oC/W
oC/W
CONNECTION DIAGRAM AND ORDERING NUMBERS (top view)
TO-220
Type
TO-220
L7905AC
L7905ACV
L7952AC
L7952ACV
L7906AC
L7906ACV
L7908AC
L7908ACV
L7912AC
L7912ACV
L7915AC
L7915ACV
L7918AC
L7918ACV
L7920AC
L7920ACV
L7922AC
L7922ACV
L7924AC
L7924ACV
(*) AVAILABLE IN TAPE AND REEL WITH ”-TR” SUFFIX
APPLICATION CIRCUIT
D2PAK
D2PAK (*)
L7905ACD2T
L7952ACD2T
L7906ACD2T
L7908ACD2T
L7912ACD2T
L7915ACD2T
L7918ACD2T
L7920ACD2T
L7922ACD2T
L7924ACD2T
Output Voltage
- 5V
-5.2V
- 6V
- 8V
-12V
-15V
-18V
-20V
-22V
-24V
2/11









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L7905ACD2T Даташит, Описание, Даташиты
L7900AC
ELECTRICAL CHARACTERISTICS FOR L7905A (refer to the test circuits, Tj = 0 to 125 oC,
Vi = -10V, 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
-4.9 -5 -5.1
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = 8 to 20 V
Vi = -7 to -25 V Tj = 25 oC
Vi = -8 to -12 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-4.8 -5 -5.2
1 00
50
1 00
50
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -8 to -25 V
1.3
Vo Output Voltage Drift
T
Io = 5 mA
-0.4
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
100
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
2.1
2.5
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
A
A
ELECTRICAL CHARACTERISTICS FOR L7952A (refer to the test circuits, Tj = 0 to 125 oC,
Vi = -10V, 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
-5.1 -5.2 -5.3
Vo Output Voltage
Vo* Line Regulation
Vo* Load Regulation
Id Quiescent Current
Io = -5 mA to -1 A Po 15 W
Vi = -9 to -21 V
Vi = -8 to -25 V Tj = 25 oC
Vi = -9 to -13 V Tj = 25 oC
Io = 5 to 1500 mA Tj = 25 oC
Io = 250 to 750 mA Tj = 25 oC
Tj = 25 oC
-5 -5.2 -5.4
1 05
52
1 05
52
3
Id Quiescent Current Change Io = 5 to 1000 mA
0.5
Id Quiescent Current Change Vi = -9 to -25 V
1.3
Vo Output Voltage Drift
T
Io = 5 mA
-0.5
eN Output Noise Voltage
B = 10Hz to 100KHz Tj = 25 oC
125
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
2.1
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.
3/11










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Номер в каталогеОписаниеПроизводители
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L7905ACD2TNEGATIVE VOLTAGE REGULATORSSTMicroelectronics
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