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OM7611ST [ETC]

ISOLATED HERMETIC TO-257AA ADJUSTABLE VOLTAGE REGULATORS; 隔离HERMETIC TO- 257AA可调稳压器
OM7611ST
型号： OM7611ST
厂家： ETC    ETC
描述：

ISOLATED HERMETIC TO-257AA ADJUSTABLE VOLTAGE REGULATORS
隔离HERMETIC TO- 257AA可调稳压器

稳压器
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OM7611ST  
ISOLATED HERMETIC TO-257AA ADJUSTABLE  
VOLTAGE REGULATORS  
Three Terminal, Adjustable Voltage, 3.0 Amp  
Precision Negative Regulators In Hermetic  
JEDEC TO-257AA Package  
FEATURES  
• Isolated Hermetic Package, JEDEC TO-257AA Outline  
• Reference Voltage Set Internally to ±2%  
• Built-In Thermal Overload Protection  
• Short Circuit Current Limiting  
• Pin Out Identical To Plastic TO-220  
• Product Is Available Screened To MIL-STD-883  
DESCRIPTION  
These three terminal negative regulators are supplied in a hermetically sealed metal  
package whose outline is similar to the industry standard TO-220 plastic 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 3.0 amps of  
output current. These units feature 2% initial voltage tolerance, with 1.0% load  
regulation and .015% line regulation.  
ABSOLUTE MAXIMUM RATINGS @ 25°C  
Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-35V  
Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +150°C  
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65° to +150°C  
Typical Power/Thermal Characteristics:  
Rated Power @ 25°C  
TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28W  
TA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3W  
Thermal Resistance  
3.3  
qJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2°C/W  
qJA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42°C/W  
4 11 R3  
Supersedes 1 07 R2  
3.3 - 153  
OM7611ST  
ELECTRICAL CHARACTERISTICS -55°C TA +125°C (unless otherwise specified)  
Parameter  
Symbol  
Test Conditions  
VIN - VOUT Œ= 5 V, IOUT = 5 mA, TA = 25° C  
3 V VIN - VOUT Œ 35 V  
Min.  
Max.  
-1.262  
-1.285  
0.015  
0.04  
50  
Unit  
Reference Voltage  
VREF  
-1.238  
-1.215  
V
•
•
•
•
Line Regulation  
(Note 1)  
³VOUT  
³VIN  
3 V VIN - VOUT Œ 35 V  
%/V  
mV  
Load Regulation  
(Note 1)  
³VOUT  
³IOUT  
VOUT Œ 5 V, TA = 25° C  
10 mA IOUT IMAX.  
VOUT Œ 5.0 V  
75  
1.0  
%
%/W  
dB  
10 mA IOUT IMAX.  
30 ms pulse, TA = 25° C  
1.5  
Thermal Regulation  
Ripple Rejection  
(Note 2)  
-
0.02  
³VIN  
³VREF  
56  
53  
70  
60  
VOUT Œ= -10 V, f = 120 Hz, CAdj = 0  
•
VOUT Œ= -10 V, f = 120 Hz, CAdj = 10 µF  
dB  
µA  
µA  
•
•
•
•
•
•
Adjust Pin Current  
IAdj  
VDIFF = 35 V, IL = 10 mA  
10 mA IOUT IMAX.  
3 V VIN - VOUT Œ 35 V  
VIN - VOUT Œ 35 V  
100  
2.0  
5.0  
5.0  
3.0  
6.0  
Adjust Pin Current Change  
Minimum Load Current  
Current Limit  
³IAdj  
IMin  
mA  
A
VIN - VOUT Œ 10 V  
ILim  
3.0  
3.0  
0.5  
0.5  
VIN - VOUT Œ 10 V  
VIN - VOUT Œ= 35 V  
•
2.5  
A
•
•
Temperature Stability  
(Note 2)  
³VOUT  
³T  
-55° C TJ +125° C  
TA = +125° C, t = 1000 hrs  
1.5  
1.0  
%
%
Long Term Stability  
(Note 2)  
³VOUT  
³T  
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  
3.3 - 154  
OM7611ST  
TYPICAL PERFORMANCE CHARACTERISTICS  
Dropout Voltage  
Temperature Stability  
Minimum Load Current  
2.8  
2.6  
2.4  
2.2  
2.0  
1.270  
1.260  
1.250  
1.240  
1.230  
1.8  
1.6  
T = -55°C  
J
1.4  
1.2  
T = -25°C  
J
T = -55°C  
J
1.0  
0.8  
T = 150°C  
T = 25°C  
J
J
1.8  
1.6  
1.4  
1.2  
0.6  
0.4  
0.2  
0
T = -150°C  
J
0.5 1.0 1.5 2.0 2.5 3.0  
Output Current (A)  
0
10  
20  
30  
40  
-75 -50 -25 0 25 50 75 100125150  
Temperature (°C)  
Input-Output Differential (V)  
Ripple Rejection  
Ripple Rejection  
Ripple Rejection  
100  
80  
100  
80  
60  
40  
20  
0
100  
80  
60  
40  
20  
0
CADJ = 10µF  
CADJ = 10µF  
CADJ = 10µF  
CADJ = 0  
60  
CADJ = 0  
CADJ = 0  
40  
V = -15 V  
V - VOUT = 5 V  
V = -15 V  
IN  
IN  
IN  
VOUT = -10 V  
IL = 500 mA  
V
OUT = -10 V  
20  
0
IL = 500mA, T = 25°C  
f = 120Hz, T = 25°C  
f = 120Hz, T = 25°C  
J
J
J
0
-10 -20 -30 -40  
Output Voltage (V)  
10 100 1k 10k 100k 1M  
Frequency (Hz)  
0.01  
0.1  
1
10  
Output Current (A)  
Output Impedance  
Line Transient Response  
Load Transient Response  
101  
100  
0.8  
0.6  
0.4  
0.2  
0
-0.2  
-0.4  
0
0.6  
0.4  
0.2  
0
V = -15V  
IN  
CADJ = 0  
CADJ = 0  
CADJ = 0  
VOUT = -10V  
IL = 500mA  
CADJ = 10µF  
T = 25°C  
J
-0.2  
C = 1µF  
L
-0.4  
-0.6  
0
-0.5  
-1.0  
-1.5  
V = -15V  
IN  
10-1  
CADJ = 10µF  
VOUT = -10V  
VOUT = -10V  
IL = 50mA  
IL = 50mA  
CADJ = 10µF  
T = 25°C  
T = 25°C  
10-2  
10-3  
J
J
-0.5  
-1.0  
C = 1µF  
C = 1µF  
L
L
0
10  
20  
30  
40  
0
10  
20  
30  
40  
10 100 1k 10k 100k 1M  
Frequency (Hz)  
Time (µS)  
Time (µS)  
3.3  
Load Regulation*  
Guaranteed Minimum Output Current  
5
Adjustment Current  
80  
75  
70  
65  
60  
55  
50  
0.8  
4
3
2
1
0
0.4  
0
-0.4  
-0.8  
0
0.8 1.6 2.4 3.2 4.0  
Output Current (A)  
0
5
10 15 20 25 30 35  
-75 -50 -25 0 25 50 75 100 125 150  
Input-Output Differential (V)  
Temperature (°C)  
3.3 - 155  
OM7611ST  
TYPICAL APPLICATIONS  
Multiple Tracking Regulators  
+
+
C1  
R2  
R1  
C3  
R2  
10µF  
10µF  
+
IADJ  
+
C1  
2µF  
+
+
2µF  
C2  
5µF  
C3  
2µF  
Solid  
Tantalum  
VREF  
Adj  
IN4002  
- VIN  
VIN  
VOUT  
R1  
-VOUT  
1
Adj  
OM7611  
VIN  
VOUT  
-VIN  
-VOUT  
OM7611  
+
+
+
2µF  
Solid  
Tantalum  
2µF  
VIN  
VOUT = VREF 1+ R2 +IADJ (R2)  
Adj  
IN4002  
( )  
VOUT  
R2  
R1  
-VOUT2  
OM7611  
High Stability Regulator  
+
2µF  
Solid  
Tantalum  
-VOUT3  
2µF  
VIN  
7V  
LM329B  
R2*  
Adj  
VOUT  
R#N  
+
+
5µF  
OM7611  
R3  
1.5k  
1%  
R1  
1k  
2µF  
Solid  
Tantalum  
1%  
Adj  
VOUT  
OM7611  
VIN  
-VIN  
-VOUT  
VOUT  
*R2 =  
9.08 X 10-3  
MECHANICAL OUTLINE  
PIN CONNECTION  
.200  
.190  
.420  
.410  
.045  
.035  
Tab  
.665  
.645  
.150  
.140  
.537  
.527  
.430  
.410  
3.3  
.038 MAX.  
.005  
.750  
.500  
1 2 3  
.120 TYP.  
.100 TYP.  
.035  
.025  
Front View  
Pin 1: Adjust  
Pin 2: VIN  
NOTES  
• Case is metal/hermetically sealed  
Pin 3: VOUT  
• Isolated Tab  
Tab:  
Isolated  
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246  

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