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Электронный компонент: OM7905SM

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3.5 - 157
3.5
Three Terminal, Fixed Voltage, 1.0 Amp
Precision Negative Regulator In A Hermetic
Surface Mount Package
4 11 R0
SURFACE MOUNT NEGATIVE FIXED
VOLTAGE REGULATOR
FEATURES
Hermetic Surface Mount Package
Output Voltages: -5V, -12V, -15V
Output Voltages Set Internally to 2%
Built-In Thermal Overload Protection
Short Circuit Current Limiting
Product Is Available Hi-Rel Screened
DESCRIPTION
This three terminal negative regulator is supplied in a hermetically sealed 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
1.0 amp of output current. This unit features internally trimmed voltages to 2% of
nominal voltage. Standard voltages are -5V, -12V and -15V. These units are ideally
suited for Military applications where a hermetic surface mount package is required.
ABSOLUTE MAXIMUM RATINGS
@ 25C
Power Dissipation (P
d
) (Internally Limited). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W
Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 35 V
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to + 150C
Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280C
Thermal Resistance: Junction-to-Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18C/W
MECHANICAL OUTLINE
OM7915SM
OM7905SM
OM7912SM
.450
SQ.
.300
4 PLCS.
.050
24 PLCS.
.305
SQ.
.02 x 45
.090
MAX.
.05 X 45
MAX. 3 PLCS.
.009 R.
28 PLCS.
.035
PIN 1
PIN 28
BOTTOM
TOP
SIDE
4
1
26
12
18
Pin Connection
Pin 1, 15 thru 28:
OUT
Pin 2, 3, 13, and 14: GND
Pin 4 thru 12:
IN
OM7905SM OM79012SM OM79015SM
3.5
ELECTRICAL CHARACTERISTICS
I
O
= 500mA, -55C T
A
125C (unless otherwise specified.)
OM7905SM: V
IN
= -10V; OM7912SM: V
IN
= -19V; OM7915SM: V
IN
= -23V.
Parameter
Part Number
Conditions
Min.
Max.
Units
Output Voltage, V
OUT
OM7905SM
V
IN
= -7.5V to -20V
-5.15
-4.85
V
OM7912SM
V
IN
= -14.5V to -27V
-12.36
-11.64
V
OM7915SM
V
IN
= -17.5V to -30V
-15.45
-14.55
V
Line Regulation, V
RLINE
V
IN
= -7.5V to -20V
20
mV
(Note 1)
OM7905SM
35
mV
V
IN
= -8.0V to -12V
12
mV
20
mV
V
IN
= -14.5V to -27V
33
mV
OM7912SM
80
mV
V
IN
= -16V to -22V
24
mV
70
mV
V
IN
= -17.5V to -30V
41
mV
OM7915SM
82
mV
V
IN
= -20V to -26V
36
mV
60
mV
Load Regulation, V
RLOAD
I
O
= -5mA to -1.0Amp
35
mV
(Note 1)
OM7905SM
50
mV
I
O
= -250mA to -750mA
25
mV
45
mV
I
O
= -5mA to -1.0Amp
55
mV
OM7912SM
70
mV
I
O
= -250mA to -750mA
26
mV
55
mV
I
O
= -5mA to -1.0Amp
60
mV
OM7915SM
110
mV
I
O
= -250mA to -750mA
34
mV
70
mV
Standby Current Drain, I
SCD
OM7905SM
3.0
mA
3.5
mA
OM7912SM
4.2
mA
4.6
mA
OM7915SM
7.2
mA
8.0
mA
Standby Current Drain Change
OM7905SM
V
IN
= -7.0V to -20V
0.6
mA
With Line, I
SCD
(Line)
OM7912SM
V
IN
= -14.5V to -27V
1.0
mA
OM7915SM
V
IN
= -17.5V to -30V
1.0
mA
Standby Current Drain Change
With Load, I
SCD
(Load)
I
O
= 5mA to 1000mA
0.6
mA
Dropout Voltage
2.5
V
V
OUT
= 100mV, I
O
= 1.0A
Peak Output Current, I
O (pk)
T
A
= 25C
.70
2.0
A
Short Circuit Current, I
DS
V
IN
= -35V
1.0
A
(Note 2)
2.0
A
Ripple Rejection
OM7905SM
f = 120Hz, V
IN
= -10V
63
dB
60
dB
OM7912SM
f = 120Hz, V
IN
= 10V
56
dB
53
dB
OM7915SM
f = 120Hz, V
IN
= 10V
53
dB
50
dB
RMS Output Noise, N
O
(Note 3)
T
A
= 25C, f = 10Hz to 100kHz
40
V/V rms
Long Term Stability (Note 3)
OM7905SM
75
mV
OM7912SM
T
A
= 25C, t = 1000 hrs.
120
mV
OM7915SM
150
mV
Note 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.
Note 2: Short Circuit protection is only assured up to V
IN
= -35V.
Note 3: If not tested, shall be guaranteed to the specified limits.
The denotes the specifications which apply over the full operating temperature range. If not noted T
A
= 25C
VIN
t
VIN
VOUT