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Электронный компонент: OM7648SM

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3.5 - 147
3.5
Isolated Hermetic Surface Mount Package
Three Terminal, Fixed Voltage, 1 Amp,
Low Dropout Voltage Regulator
4 11 R0
SURFACE MOUNT POSITIVE 0.5 VOLT, LOW
DROPOUT VOLTAGE REGULATOR
FEATURES
Isolated Hermetic Surface Mount Package
Similar To Industry Standard LM2940
Dropout Voltage Typically 0.5 V @ I
O
= 1 A
Output Current In Excess Of 1 A
Reverse Battery Protection
Internal Short Circuit Protection
Available Hi-Rel Screened
DESCRIPTION
These three terminal fixed voltage regulators are designed to provide 1.0A with high
efficiency. It has the ability to source 1A of output current with a typical dropout
voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied
in a hermetic surface mount package and is ideally suited for Hi-Rel applications
where small size and high reliability are required.
ABSOLUTE MAXIMUM RATINGS
@ 25C
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Vdc
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V, +12V, +15Vdc
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . - 55C to + 125C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to + 150C
Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . 300C
Thermal Resistance:
JC
(Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2C/W
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W
Maximum Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 A
a
OM7650SM
OM7648SM
OM7649SM
3.5 - 148
OM7648SM - OM7650SM
3.5
ELECTRICAL CHARACTERISTICS, P/N OM7649SM (12 Volts)
-55C
T
A
125C, V
IN
= 20 V, I
O
= 1 A, C
OUT
= 22 F (unless otherwise
specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V
OUT
V
IN
= 17 V, I
OUT
= 5 mA
1
11.64
12.36
2
11.40
12.60
V
V
IN
= 13.6 V, I
OUT
= 5 mA
1
11.64
12.36
2
11.40
12.60
V
IN
= 14 V, I
OUT
= 5 mA
1
11.64
12.36
2
11.40
12.60
V
IN
= 26 V, I
OUT
= 5 mA
1
11.64
12.36
2
11.40
12.60
V
IN
= 17 V, I
OUT
= 1 A
1
11.64
12.36
2
11.40
12.60
V
IN
= 13.6 V, I
OUT
= 1 A
1
11.64
12.36
2
11.40
12.60
V
IN
= 13.6 V, I
OUT
= 50 mA
1
11.64
12.36
2
11.40
12.60
V
IN
= 17 V, I
OUT
= 50 mA
1
11.64
12.36
2
11.40
12.60
Maximum Line Transient
V
LT
V
O
13 V, R
O
= 100 , t = 20 ms
1, 2
40
V
Reverse Polarity
V
RIN
R
O
= 100
1
, 2
-
15
V
Input Voltage DC
Reverse Polarity
V
RIT
R
O
= 100 , t = 20 ms
1, 2
-45
V
Input Voltage Transient
Quiescent Current
I
Q
V
IN
= 17 V, I
OUT
= 5 mA
11
5
mA
22
0
V
IN
= 14 V, I
OUT
= 5 mA
11
5
22
0
V
IN
= 26 V, I
OUT
= 5 mA
11
5
22
0
3
0
V
IN
= 17 V, I
OUT
= 1 A
15
2
6
0
120
Line Regulation
V
RLN
14 V
V
IN
26 V,
1
75
mV
I
OUT
= 5 mA
2
120
Load Regulation
V
RLD
V
IN
= 17 V, 50 mA
I
OUT
1 A
1
120
mV
2
190
Dropout Voltage
V
DO
I
OUT
= 1 A
1.
7
V
21
I
OUT
= 100 mA
11
5
0
mV
22
0
0
Output Noise Voltage
V
ON
V
IN
= 17 V, I
O
= 5 mA,
1
1000
V r
m
s
10 Hz - 100 Hz
Output Impedance
R
O
V
IN
= 17 V, I
OUT
= 100 mA dc
1, 2
1
and 20 mA ac, f
O
= 120 Hz
Short Circuit Current
I
OS
V
IN
= 17 V
1
1.6
A
2
1.3
Ripple Rejection
R
R
V
IN
= 17 V + 1 V rms,
1
4
5
dB
I
OUT
= 5 mA, f = 1 kHz
2
42
Notes:
1. T
A
= 25C.
2. Over full operating temperature range.
ELECTRICAL CHARACTERISTICS,
P/N OM7648SM (5 Volts)
-55C
T
A
125C, V
IN
= 20 V, I
O
= 1 A, C
OUT
= 22 F (unless otherwise
specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V
OUT
V
IN
= 10 V, I
OUT
= 5 mA
1
4.85
5.15
2
4.75
5.25
V
V
IN
= 6 V, I
OUT
= 5 mA
1
4.85
5.15
2
4.75
5.25
V
IN
= 7 V, I
OUT
= 5 mA
1
4.85
5.15
2
4.75
5.25
V
IN
= 26 V, I
OUT
= 5 mA
1
4.85
5.15
2
4.75
5.25
V
IN
= 10 V, I
OUT
= 1 A
1
4.85
5.15
2
4.75
5.25
V
IN
= 6 V, I
OUT
= 1 A
1
4.85
5.15
2
4.75
5.25
V
IN
= 6 V, I
OUT
= 50 mA
1
4.85
5.15
2
4.75
5.25
V
IN
= 10 V, I
OUT
= 50 mA
1
4.85
5.15
2
4.75
5.25
Maximum Line Transient
V
LT
V
O
6 V, R
O
= 100 , t = 20 ms
1, 2
40
V
Reverse Polarity
V
RIN
R
O
= 100
1, 2
-15
V
Input Voltage DC
Reverse Polarity
V
RIT
R
O
= 100 , t = 20 ms
1, 2
-45
V
Input Voltage Transient
Quiescent Current
I
Q
V
IN
= 10 V, I
OUT
= 5 mA
11
5
mA
22
0
V
IN
= 7 V, I
OUT
= 5 mA
11
5
22
0
V
IN
= 26 V, I
OUT
= 5 mA
11
5
22
0
V
IN
= 10 V, I
OUT
= 1 A
15
0
2
100
Line Regulation
V
RLN
7 V
V
IN
26 V,
1
40
mV
I
OUT
= 5 mA
2
50
Load Regulation
V
RLD
V
IN
= 10 V, 50 mA
I
OUT
1 A
1
5
0
mV
2
100
Dropout Voltage
V
DO
I
OUT
= 1 A
1.
7
V
21
I
OUT
= 100 mA
1
150
mV
2
200
Output Noise Voltage
V
ON
V
IN
= 10 V, I
O
= 5 mA,
1, 2
700
V r
m
s
10 Hz - 100 Hz
Output Impedance
R
O
V
IN
= 10 V, I
OUT
= 100 mA dc
1, 2
1
and 20 mA ac, f
O
= 120 Hz
Short Circuit Current
I
OS
V
IN
= 10 V
1
1.5
A
2
1.3
Ripple Rejection
R
R
V
IN
= 10 V + 1 V rms,
1
6
0
dB
I
OUT
= 5 mA, f = 1 kHz
2
5
0
Notes:
1. T
A
= 25C.
2. Over full operating temperature range.
3.5 - 149
OM7648SM - OM7650SM
3.5
ELECTRICAL CHARACTERISTICS, P/N OM7650SM (15 Volts)
-55C
T
A
125C, V
IN
= 20 V, I
O
= 1 A, C
OUT
= 22 F (unless otherwise
specified).
Parameter
Symbol
Test Conditions
Notes
Min.
Max.
Unit
Output Voltage
V
OUT
V
IN
= 20 V, I
OUT
= 5 mA
1
14.55
15.45
2
14.25
15.75
V
V
IN
= 16.75 V, I
OUT
= 5 mA
1
14.55
15.45
2
14.25
15.75
V
IN
= 17 V, I
OUT
= 5 mA
1
14.55
15.45
2
14.25
15.75
V
IN
= 26 V, I
OUT
= 5 mA
1
14.55
15.45
2
14.25
15.75
V
IN
= 20 V, I
OUT
= 1 A
1
14.55
15.45
2
14.25
15.75
V
IN
= 16.75 V, I
OUT
= 1 A
1
14.55
15.45
2
14.25
15.75
V
IN
= 16.75 V, I
OUT
= 50 mA
1
14.55
15.45
2
14.25
15.75
V
IN
= 20 V, I
OUT
= 50 mA
1
14.55
15.45
2
14.25
15.75
Maximum Line Transient
V
LT
V
O
16 V, R
O
= 100 , t = 20 ms
1, 2
40
V
Reverse Polarity
V
RIN
R
O
= 100
1, 2
-15
V
Input Voltage DC
Reverse Polarity
V
RIT
R
O
= 100 , t = 20 ms
1, 2
-45
V
Input Voltage Transient
Quiescent Current
I
Q
V
IN
= 20 V, I
OUT
= 5 mA
11
5
mA
22
0
V
IN
= 17 V, I
OUT
= 5 mA
11
5
22
0
V
IN
= 26 V, I
OUT
= 5 mA
11
5
22
0
V
IN
= 20 V, I
OUT
= 1 A
15
0
26
0
Line Regulation
V
RLN
17 V
V
IN
26 V,
1
95
mV
I
OUT
= 5 mA
2
150
Load Regulation
V
RLD
V
IN
= 20 V, 50 mA
I
OUT
1 A
1
150
mV
2
240
Dropout Voltage
V
DO
I
OUT
= 1 A
1.
7
V
21
I
OUT
= 100 mA
1
150
mV
2
200
Output Noise Voltage
V
ON
V
IN
= 20 V, I
O
= 5 mA,
1
1000
V r
m
s
10 Hz - 100 Hz
Output Impedance
R
O
V
IN
= 20 V, I
OUT
= 100 mA ac
1, 2
1
and 20 mA dc, f
O
= 120 Hz
Short Circuit Current
I
OS
V
IN
= 20 V
1
1.6
A
2
1.3
Ripple Rejection
R
R
V
IN
= 20 V + 1 V rms,
1
4
8
dB
I
OUT
= 5 mA, f = 1 kHz
2
4
2
Notes:
1. T
A
= 25C.
2. Over full operating temperature range.
MECHANICAL OUTLINE
.425
.200
.100
.350 MIN.
.080
.160
.020
.020
.035 WIDE
FLAT 3 PLCS.
.115
.425
PIN CONNECTION
Pin 1:
V
OUT
Pin 2:
Adjust
Pin 3:
V
IN
Case:
Isolated
2
3
1
TYPICAL APPLICATIONS
OM7648SM - OM7650SM
3.5
0.9
Inout - Output Differential (V)
0
Output Current (mA)
Dropout Voltage
T
J
= 25C
200
1000
800
600
400
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0
0.1
1.0
Dropout Voltage (V)
-40
Temperature (C)
Dropout Voltage
vs Temperature
1 A
0
160
120
40
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
80
500 mA
100 mA
5.10
Output Voltage (5V)
-40
Temperature (C)
Output Voltage
vs Temperature
0
160
120
40
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
80
30
-10
Time (s)
Line Transient Response
0
0V
20
10
0
-10
-20
-30
3V
Output Voltage
Deviation (mV)
Input Voltage
Change (V)
10
20
30
40 50
60
200
Quiescent Current (mA)
0
Input Voltage (V)
Quiescent Current
1 A
180
160
140
120
100
80
60
40
20
0
500 mA
100 mA
5
10
15
20 25
30 35
50
Quiescent Current (mA)
Temperature (C)
Quiescent Current
vs Temperature
V
IN
= V
OUT
+5V
0
40
30
20
10
-40
0
160
120
40
80
1 A
500 mA
10 mA
50
Quiescent Current (mA)
0
Load Current (A)
Quiescent Current
0.2
1.0
0.8
0.4
40
30
20
10
0
0.6
V
IN
= 14V
V
OUT
= 5V
T
J
= 25C
95
Ripple Rejection (dB)
1
Frequency (Hz)
Ripple Rejection
10
100k
10k
100
35
1k
1M
45
55
65
75
85
V
IN
= 10V
C
OUT
= 22F
I
OUT
= 10mA
V
OUT
=5V
0.5
-10
Time (s)
Load Transient Response
0
40
30
10
0
20
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
1.0
0.5
Output Voltage
Deviation (V)
Load Current
Change (A)
V
IN
= 10V, C
OUT
= 22F
T
J
= 25C, V
OUT
=5V