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Электронный компонент: OM76xxSM

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3.5 - 135
3.5
Isolated Hermetic Surface Mount Package
1.5 Amp, +5V, +12V, +15V Positive Voltage
Regulators
4 11 R1
Supersedes 1 05 R0
SURFACE MOUNT POSITIVE VOLTAGE
REGULATOR, 3-TERMINAL, FIXED VOLTAGE
FEATURES
Small Hermetic Surface Mount Package
Chip Isolated From Package
Output Voltages: 5V, 12V, 15V
Output Voltages Set Internally To 1%
Built-In Thermal Overload Protection
Short Circuit Current Limiting
Product Is Available Hi-Rel Screened
DESCRIPTION
These three terminal positive regulators are supplied in a hermetic metal surface
mount package. All protective features are designed into the circuit including thermal
shutdown, current limiting and safe-area control. With heat sinking, they can deliver
over 1.5 amps of output current. These units feature internally trimmed output
voltages to 1% of nominal output voltage. Standard voltages are 5V, 12V, and 15V.
These units are ideally suited for Military applications where a hermetically sealed
surface mount package is required.
ABSOLUTE MAXIMUM RATINGS
@ 25C
Input to Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +35V
Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C
Typical Power/Thermal Characteristics:
Rated Power @ 25C
T
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5W
T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W
Thermal Resistance:
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2C/W
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W
Lead Temperature at Case (5 sec)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225C
OM7641SM
OM7639SM
OM7640SM
3.5 - 136
OM7639SM - OM7641SM
3.5
ELECTRICAL CHARACTERISTICS 12 Volt
V
IN
= 19V, I
o
= 500mA, -55C T
A
125C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A
= 25C
11.88
12.12
V
V
IN
= 14.5V to 27V
11.64
12.36
V
Line Regulation
V
RLINE
V
IN
= 14.5V to 27V
18
mV
(Note 1)
50
mV
V
IN
= 16V to 22V
9
mV
30
mV
Load Regulation
V
RLOAD
I
O
= 5mA to 1.5 Amp
32
mV
(Note 1)
60
mV
I
O
= 250mA to 750 mA
20
mV
40
mV
Standby Current Drain
I
SCD
6.0
mA
6.5
mA
Standby Current Drain
I
SCD
V
IN
= 15V to 30V
0.8
mA
Change With Line
(Line)
Standby Current Drain
I
SCD
I
O
= 5mA to 1000mA
0.5
mA
Change With Load
(Load)
Dropout Voltage
V
DO
V
OUT
= 100mV, I
O
=
1.0A
2.5
V
Peak Output Current
I
O (pk)
T
A
= 25C
1.5
3.3
A
Short Circuit Current
I
DS
V
IN
= 35V
1.2
A
(Note 2)
2.8
A
Ripple Rejection
V
IN
f =120 Hz,
V
IN
= 10V
61
dB
V
OUT
(Note 3)
54
dB
Output Noise Voltage
N
O
T
A
= 25C, f =10 Hz to 100KHz
40
V/V
(Note 3)
RMS
Long Term Stability
V
OUT
T
A
= 25C, t = 1000 hrs.
120
mV
(Note 3)
t
Notes:
1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2. Short Circuit protection is only assured up to V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits.
The denotes the specifications which apply over the full operating temperature range.
ELECTRICAL CHARACTERISTICS 5 Volt
V
IN
= 10V, I
o
= 500mA, -55C T
A
125C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A
= 25C
4.92
5.08
V
V
IN
= 7.5V to 20V
4.85
5.15
V
Line Regulation
V
RLINE
V
IN
= 7.5V to 20V
5
mV
(Note 1)
12
mV
V
IN
= 8.0V to 12V
4
mV
10
mV
Load Regulation
V
RLOAD
I
O
= 5mA to 1.5 Amp
12
mV
(Note 1)
25
mV
I
O
= 250mA to 750 mA
6
mV
15
mV
Standby Current Drain
I
SCD
6
mA
6.5
mA
Standby Current Drain
I
SCD
V
IN
= 7.5V to 20V
0.8
mA
Change With Line
(Line)
Standby Current Drain
I
SCD
I
O
= 5mA to 1000mA
0.5
mA
Change With Load
(Load)
Dropout Voltage
V
DO
T
A
= 25C,
V
OUT
= 100mV, I
O
=
1.0A
2.5
V
Peak Output Current
I
O (pk)
T
A
= 25C
1.5
3.3
A
Short Circuit Current
I
DS
V
IN
= 35V
1.2
A
(Note 2)
2.8
A
Ripple Rejection
V
IN
f =120 Hz,
V
IN
= 10V
66
dB
V
OUT
(Note 3)
60
dB
Output Noise Voltage
N
O
T
A
= 25C, f =10 Hz to 100KHz
40
V/V
(Note 3)
RMS
Long Term Stability
V
OUT
T
A
= 25C, t = 1000 hrs.
75
mV
(Note 3)
t
3.5 - 137
OM7639SM - OM7641SM
3.5
ELECTRICAL CHARACTERISTICS 15 Volt
V
IN
= 23V, I
o
= 500mA, -55C T
A
125C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A
= 25C
14.8
15.2
V
V
IN
= 18.5V to 30V
14.6
15.4
V
Line Regulation
V
RLINE
V
IN
= 17.5V to 30V
20
mV
(Note 1)
50
mV
V
IN
= 20V to 26V
15
mV
25
mV
Load Regulation
V
RLOAD
I
O
= 5mA to 1.5 Amp
35
mV
(Note 1)
I
O
= 5mA to 1.0 Amp
75
mV
I
O
= 250mA to 750 mA
21
mV
45
mV
Standby Current Drain
I
SCD
6.0
mA
6.5
mA
Standby Current Drain
I
SCD
V
IN
= 18.5V to 30V
0.8
mA
Change With Line
(Line)
Standby Current Drain
I
SCD
I
O
= 5mA to 1000mA
0.5
mA
Change With Load
(Load)
Dropout Voltage
V
DO
T
A
= 25C,
V
OUT
= 100mV, I
O
=
1.0A
2.5
V
Peak Output Current
I
O (pk)
T
A
= 25C
1.5
3.3
A
Short Circuit Current
I
DS
V
IN
= 35V
1.2
A
(Note 2)
2.8
A
Ripple Rejection
V
IN
f =120 Hz,
V
IN
= 10V
54
dB
V
OUT
(Note 3)
52
dB
Output Noise Voltage
N
O
T
A
= 25C, f =10 Hz to 100KHz
40
V/V
(Note 3)
RMS
Long Term Stability
V
OUT
T
A
= 25C, t = 1000 hrs.
150
mV
(Note 3)
t
Notes:
1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2. Short Circuit protection is only assured up to V
IN
= 35V.
3. If not tested, shall be guaranteed to the specified limits.
The denotes the specifications which apply over the full operating temperature range.
3.5
3
2.5
2
1.5
1
0.5
0
0
5
1 0
1 5
2 0
2 5
3 0
3 5
PEAK OUTPUT CURRENT
V
OUT
= 100mV
T
j
= -55C
T
j
= 25C
T
j
= 150C
2.5
2
1.5
1
0.5
0
-75-50 -25
0
2 5 5 0 7 5 1 0 0 1 2 51 5 0
DROPOUT VOLTAGE
V
OUT
= 100MV
I
OUT
= 0A
I
OUT
= 500mA
I
OUT
= 1A
1 0 0
8 0
6 0
4 0
2 0
0
1 0
1 0 0
1k
10k
RIPPLE REJECTION
V
OUT
= 5V
V
IN
- V = 8V
DC
+3.5V
rms
I
OUT
= 1A
T
j
= 25C
TYPICAL PERFORMANCE CHARACTERISTICS
Input To Output Differential (V)
Junction Temperature (C)
Frequency (Hz)
Output Current (A)
Input To Output Differential (V)
Ripple Rejection (dB)
OM7639SM - OM7641SM
3.5
Pin 1: Ground
Pin 2: V
IN
Pin 3: V
OUT
Case: Isolated
TYPICAL APPLICATIONS
FIXED OUTPUT REGULATOR
CIRCUIT FOR INCREASING OUTPUT VOLTAGE
HIGH OUTPUT CURRENT,
SHORT CIRCUIT PROTECTED
ADJUSTABLE OUTPUT REGULATOR,
7 TO 30 VOLTS
* Increasing value of output capacitor
improves system transient response
t Required only if regulator is located
an appreciable distance from power
supply filter.
OM7639SM
INPUT
0.33 Ft
0.1 F*
OUTPUT
1
2
3
OM7639SM
INPUT
2N6124
2N4398
0.33 F
0.1 F
OUTPUT
1
R
SC
R
1
3
2
3
OM7639SM
INPUT
0.33 F
0.1 F
OUTPUT
1
2
3
1K
10K
-
LM741
+
OM7639SM
INPUT
0.33 F
I
Q
0.1 F
Vxx
R1
R2
OUTPUT
1
2
3
V
O
= Vxx (1 +R2) + I
Q
R2
R1
MECHANICAL OUTLINE
PIN CONNECTION
.425
.200
.100
.350 MIN.
.080
.160
.020
.020
.035 WIDE
FLAT 3 PLCS.
.115
.425
2
3
1