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LM1085-12-220M 반도체 회로 부품 판매점

LOW DROPOUT 3 AMP POSITIVE VOLTAGE REGULATOR



Semelab 로고
Semelab
LM1085-12-220M 데이터시트, 핀배열, 회로
LM1085–220M–05
LM1085–05–220M
LM1085–12–220M
MILITARY VERSION
TO220 Isolated Metal Package
10.41
10.67
4.70
5.00
0.70
0.90
3.56
3.81
Dia.
123
0.89
1.14
2.54 2.65
BSC 2.75
Pinouts
Pin Fixed
Adjustable
1 GROUND
ADJUST
2 OUTPUT
OUTPUT
3 INPUT
INPUT
Case is ISOLATED
Ordering Information
LM1085–220M
Positive Adjustable Regulator
LM1085–05–220M Fixed +5V Regulator
LM1085–12–220M Fixed +12V Regulator
LOW DROPOUT
3 AMP POSITIVE
VOLTAGE REGULATOR
FEATURES
Low Dropout Performance
Fixed or Adjustable Voltages
Fixed Output Voltages of 5V & 12V
Output Current 3A
Line Regulation 0.015% / V Typical.
Load Regulation 0.1% Typical.
Military Temperature Range (55 to +150°C)
BLOCK DIAGRAM
VIN
THERMAL
LIMIT
VADJ
VOUT
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
VIN Input Voltage
5V, 12V
30V
VI-O Input–Output Differential Voltage
Adjustable
35V
PD Power Dissipation
Internally limited
VIN Operating Input Voltage
Adjustable
5 Volt
25V
20V
12 Volt
25V
TJ Operating Junction Temperature Range
Control
Power
–55 to 150°C
–55 to 200°C
TSTG
TLEAD
Storage Temperature Range
Lead Temperature (for 10 sec.)
–65 to 150°C
300°C
* Although the devicesmaximum operating voltage is limited (20V for the 5V device, and 25V for the 12V and adjustable devices) the devices are
guaranteed to withstand transient input voltages up to 30V. For input voltages greater than the maximum operating input voltage, some degradation of
specifications will occur. For 5V and 12V devices operating at input-output voltage differentials >15V, a minimum external load of 5mA is required to
maintain regulation.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Prelim. 10/95
E-mail: [email protected] Website: http://www.semelab.co.uk


LM1085-12-220M 데이터시트, 핀배열, 회로
LM1085220M05
LM108505220M
LM108512220M
MILITARY VERSION
DESCRIPTION
The LM1085 is designed to provide 3A with higher efficiency than currently available devices. All internal circuitry is
designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load
current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents.
On-chip trimming adjusts the reference output voltage to 1%. Current limit is also trimmed, minimising the stress on both
the regulator and power source circuitry under overload conditions.
The LM1085 is pin compatible with older 3 terminal adjustable regulators. A 10m F output capacitor is required on these
new devices; however, this is usually included in most regulator designs.
Unlike PNP regulators, where up to 10% of the output current is wasted as quiescent current, the LM1085 quiescent
current flows into the load, increasing efficiency.
ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise stated)
Parameter
Output
Voltage Test Conditions
VO Output Voltage
5 VIN = 6.5 to 20V
TJ = 55 to 150°C
12 VIN = 13.5V to 25V
TJ = 55 to 150°C
IO = 0 to 3A
IO = 0 to 3A
VREF
Reference Voltage
ADJ.
VIN VOUT = 1.5 to 15V IO = 10mA to 3A
TJ = 55 to 150°C
5 VIN = 6.5 to 20V
IO = 0
TJ = 55 to 150°C
REG(LINE) Line Regulation
12 VIN = 13.5 to 25V
IO = 0
TJ = 55 to 150°C
ADJ.
VIN VOUT = 1.5 to 15V
ILOAD = 10mA
TJ = 55 to 150°C
5 VIN = 8V
IO = 0 to 3A
TJ = 55 to 150°C
REG(LOAD) Load Regulation
12 VIN = 15V
IO = 0 to 3A
TJ = 55 to 150°C
See notes 1,2
VD Dropout Voltage
See note 3
ADJ.
5
12
ADJ.
VIN VOUT = 3V
IO = 10mA to 3A
DVOUT = 50mV
IOUT = 3A
DVOUT = 120mV
IOUT = 3A
DVREF = 1%
IOUT = 3A
TJ = 55 to 150°C
TJ = 55 to 150°C
TJ = 55 to 150°C
TJ = 55 to 150°C
Min. Typ. Max. Unit
4.90 5 5.10
11.76 12 12.24 V
1.225 1.25 1.270
0.5 10
1 10
mV
1 25
2 25
0.015
0.035
0.2
0.2
%
5 20
10 35
mV
12 36
24 72
0.1 0.3
%
0.2 0.4
1.3 1.5
1.3 1.5 V
1.3 1.5
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: [email protected] Website: http://www.semelab.co.uk
Prelim. 10/95




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LM1085-12-220M regulator

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LOW DROPOUT 3 AMP POSITIVE VOLTAGE REGULATOR - Semelab