파트넘버.co.kr OM185ST 데이터시트 PDF


OM185ST 반도체 회로 부품 판매점

7.5A / 5A / 3A / 1.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATORS



ETC 로고
ETC
OM185ST 데이터시트, 핀배열, 회로
OM183SC OM185ST OM185SR
OM184SC OM186ST OM186SR
7.5A, 5A, 3A, 1.5A LOW DROPOUT POSITIVE
ADJUSTABLE REGULATORS
Three Terminal Adjustable Low Dropout
TO-257/TO-258 Positive Voltage Regulators
FEATURES
• Operates Down to 1V Dropout, 1.5V @ Max. Current
• .015% Line Regulation
• .01% Load Regulation
• 1% Reference Voltage
• Hermetic TO-257 and TO-258 Isolated Packages
• Electrically Equivalent to LT1083, 84, 85 and 86
DESCRIPTION
These three terminal positive adjustable voltage regulators are designed to provide
7.5A, 5A, 3A, and 1.5A with higher efficiency than conventional voltage regulators. The
devices are designed to operate to 1 Volt input to output differential and the dropout
voltage is specified as a function of load current. All devices are pin compatible with
older three terminal regulators. Supplied in the easy-to-use hermetic metal TO-257
and TO-258 JEDEC packages also supplied in Omnirel’s new surface mount D2 Pac..
These devices are ideally suited for Military applications where small size, hermeticity
and high reliability are required.
ABSOLUTE MAXIMUM RATINGS @ 25°C
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V
Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . - 55°C to + 150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C
Output Current - OM183SC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5 A
OM184SC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 A
OM185ST/SR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A
OM186ST/SR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 A
3.3
Note: OM183SC and OM184SC products are packaged in the TO-258 Package (7.5A & 5A).
OM185ST and OM186ST products are packaged in the TO-257 Package (3A & 1.5A).
0 03 R3
Supersedes 4 11 R2
3.3 - 1


OM185ST 데이터시트, 핀배열, 회로
OM183SC - OM186ST - OM186SR
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)
Parameter
Conditions
Min.
Typ.
Max.
Reference Voltage
Line Regulation
IOUT = 10 mA, Tj = 25°C
(VIN - VOUT) = 3 V
10mA IOUT IFULL LOAD
1.5 V (VIN - VOUT) 25 V (Note 3)
ILOAD = 10 mA, 1.5 V (VIN - VOUT) 15 V,
Tj = 25°C
1.238
1.250
1.262
1.220
1.250
0.015
0.035
1.270
0.2
0.2
Units
V
V
%
%
3.3
Load Regulation
Dropout Voltage
Current Limit
OM183SC
OM184SC
OM185ST/SR
OM186ST/SR
Minimum Load Current
Thermal Regulation
OM183SC
OM184SC
OM185ST/SR
OM186ST/SR
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
Thermal Resistance
TO-257AA/D2 Pac
TO-258AA
15 V (VIN - VOUT) 35 V (Notes 1 & 2)
(VIN - VOUT) = 3 V
10 mA IOUT IFULL LOAD
Tj = 25°C
(Notes 1, 2, 3)
VREF = 1%, IOUT = IFULL LOAD
(VIN - VOUT) = 5 V
(VIN - VOUT) = 25 V
(VIN - VOUT) = 5 V
(VIN - VOUT) = 25 V
(VIN - VOUT) = 5 V
(VIN - VOUT) = 25 V
(VIN - VOUT) = 5 V
(VIN - VOUT) = 25 V
(VIN - VOUT) = 25 V
TA = 25°C, 30 ms pulse
Guaranteed by design
f = 120 Hz
CADJ = 25 µF Tantalum
IOUT - IFULL LOAD (VIN - VOUT) = 3 V
TJ = 25°C
10mA IOUT IFULL LOAD
1.5 V (VIN - VOUT) 25 V
-55°C TJ +150°C
TA = 125°C, 1000 Hrs.
Junction-to-Case
0.05 0.5 %
0.5 0.8
.8 1.0
1.3 1.5
8.0
0.4
5.5
0.3
3.2
0.2
1.5
0.75
5 10
0.002
0.003
0.004
0.010
0.01
0.15
0.02
0.05
%
%
V
A
A
A
A
A
A
A
A
mA
%/W
%/W
%/W
%/W
60 75
55
dB
µA
0.2 5 µA
0.5 %
0.3 1 %
4.2 °C/W
2.75
°C/W
Note 1: Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation (OM183/60W, OM184/45W, OM185/30W,
OM186/15W). Power dissipation is determined by the input/output differential and the output current. Guaranteed maximum
power dissipation will not be available over the full input/output voltage range.
Note 3: IFULL LOAD curve is defined as the minimum value of current limit as a function of input to output voltage. Note that power
dissipation is only achievable over a limited range of input to output voltage.
Note 4: Dropout voltage is specified over the full output current range of the device.
3.3 - 2




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