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OM3914STM PDF даташит

Спецификация OM3914STM изготовлена ​​​​«ETC» и имеет функцию, называемую «NEGATIVE ADJUSTABLE REGULATOR APPROVED TO DESC DRAWING 5962-87741».

Детали детали

Номер произв OM3914STM
Описание NEGATIVE ADJUSTABLE REGULATOR APPROVED TO DESC DRAWING 5962-87741
Производители ETC
логотип ETC логотип 

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OM3914STM Даташит, Описание, Даташиты
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OM3914NKM OM3914STM
OM3914NTM
3 AMP NEGATIVE ADJUSTABLE REGULATOR APPROVED
TO DESC DRAWING 5962-87741
Three Terminal, Negative Adjustable
Voltage Regulator In Hermetic
Packages
FEATURES
• Similar To Industry Standard LT1033
• Approved To DESC Standardized Military Drawing Number 5962-8774101
• Adjustable Output Voltage
• Built In Thermal Overload Protection
• Short Circuit Current Limiting
• Maximum Output Voltage Tolerance is Guaranteed To ±1%
• Guaranteed Dropout Voltage At Multiple Current Levels
• TO-257 Available in Isolated and Non-Isolated Packages
DESCRIPTION
This three terminal negative adjustable voltage regulator is designed to provide 3A
with higher efficiency than conventional voltage regulators. This device is designed
to operate down to 1 Volt input to output differential and the dropout voltage is fully
specified as a function of load current. Supplied in easy-to-use hermetic TO-257 and
TO-3, this device is ideally suited for Military applications where small size and high
reliability is required.
ABSOLUTE MAXIMUM RATINGS @ 25°C
Power Dissipation (Pd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . - 55°C to + 150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C
Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
Thermal Resistance Junction to Case:
(TO-257, Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W
(TO-257, Non-Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3°C/W
(TO-3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0°C/W
Recommended Operating Conditions:
Output Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3V to -15 V
Ambient Operating Temperature Range (TA) . . . . . . . . . . . . . . . . - 55°C to + 125°C
Input Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 5V to -35 V
3.3
1 08 R2
Supersedes 4 11 R1
3.3 - 119









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OM3914STM Даташит, Описание, Даташиты
OM3914STM OM3914NTM OM3914NKM
ELECTRICAL CHARACTERISTICS -55°C TA +125°C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Reference Voltage
Line Regulation
(Note 1)
Load Regulation
(Note 1)
Thermal Regulation
Ripple Rejection
(Note 2)
Adjust Pin Current
Adjust Pin Current Change
Minimum Load Current
Current Limit
VREF
VOUT
VIN
VOUT
IOUT
-
VIN
VREF
VIN - VOUT = 5 V, IOUT = 5 mA, TA = 25° C
3 V ≤ VIN - VOUT  ≤ 35 V
3 V ≤ VIN - VOUT  ≤ 35 V
VOUT  ≤ 5 V, TA = 25° C
10 mA IOUT IMAX.
VOUT ≥ 5.0 V
10 mA IOUT IMAX.
30 ms pulse, TA = 25° C
VOUT = -10 V, f = 120 Hz, CAdj = 0
IAdj
IAdj
IMin
ILim
VOUT = -10 V, f = 120 Hz, CAdj = 10 µF
VDIFF = 35 V, IL = 10 mA
10 mA IOUT IMAX.
3 V ≤ VIN - VOUT  ≤ 35 V
VIN - VOUT  ≤ 35 V
VIN - VOUT  ≤ 10 V
VIN - VOUT  ≤ 10 V
-1.238
-1.215
56
53
70
60
3.0
3.0
-1.262
-1.285
0.015
0.04
50
75
1.0
1.5
0.02
100
2.0
5.0
5.0
3.0
6.0
VIN - VOUT = 35 V
0.5
0.5
2.5
Temperature Stability
(Note 2)
VOUT
T
-55° C TJ +125° C
1.5
Long Term Stability
(Note 2)
VOUT
T
TA = +125° C, t = 1000 hrs
1.0
Notes:
1. Line and Load Regulation are measured at a constant junction temperature using a low duty cycle pulse technique.
Although power dissipation is internally limited, regulation is guaranteed up to the maximum power dissipation of 30 W.
Power dissipation is determined by the input/output differential voltage and the output current. Guaranteed maximum
power dissipation will not be available over the full input/output voltage range.
2. Guaranteed by design, characterization or correlation to other tested parameters.
3. The • denotes the specifications which apply over the full operating temperature range.
3.3
PART NUMBER DESIGNATOR
Standard Military Drawing Number
Omnirel Part Number
5962-8774101U
OM3914STM
5962-8774101T
5962-8774101X
OM3914NTM
OM3914NKM
Unit
V
%/V
mV
%
%/W
dB
dB
µA
µA
mA
A
A
%
%
“U” = Isolated
“T” = Non-Isolated
Part Numbering System
Voltage Regulators
OM-3914-S-T-M
Company
Identification
Part
Number
Screening
Package
M= MIL-M 38535
(see Package codes*)
S= Isolated
N= Non isolated
3.3 - 120









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OM3914STM Даташит, Описание, Даташиты
OM3914STM OM3914NTM OM3914NKM
TYPICAL PERFORMANCE CHARACTERISTICS
DROPOUT VOLTAGE
2.8
2.6 TJ = -55°C
2.4 TJ = -25°C
2.2
2.0
1.8
1.6 TJ = -150°C
1.4
1.2
0.5 1.0 1.5 2.0 2.5 3.0
Output Current (A)
TEMPERATURE STABILITY
1.270
1.260
1.250
1.240
1.230
-75 -50 -25 0 25 50 75 100125150
Temperature (°C)
MINIMUM LOAD CURRENT
1.8
1.6
1.4
1.2
TJ = -55°C
1.0
0.8 TJ = 150°C
0.6
0.4
0.2
0
0 10
20
TJ = 25°C
30 40
Input-Output Differential (V)
LOAD REGULATION
0.8
0.4
0
-0.4
-0.8
0 0.8 1.6 2.4 3.2 4.0
Output Current (A)
3.3 - 121
RIPPLE REJECTION
100
CADJ = 10µF
80
60
CADJ = 0
40
VIN = -15 V
20 VOUT = -10 V
0 f = 120Hz, TJ = 25°C
0.01 0.1
1
Output Current (A)
10
GUARANTEED MINIMUM
OUTPUT CURRENT
5
4
3
2
1
0
0 5 10 15 20 25 30 35
Input-Output Differential (V)
3.3










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