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OM7604ST [ETC]

ISOLATED HERMETIC TO-257AA ADJUSTABLE VOLTAGE REGULATOR; 隔离HERMETIC TO- 257AA可调稳压
OM7604ST
型号： OM7604ST
厂家： ETC    ETC
描述：

ISOLATED HERMETIC TO-257AA ADJUSTABLE VOLTAGE REGULATOR
隔离HERMETIC TO- 257AA可调稳压
文件： 总4页 (文件大小：48K)
中文：  中文翻译
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OM7604ST  
ISOLATED HERMETIC TO-257AA  
ADJUSTABLE VOLTAGE REGULATOR  
Three Terminal, Adjustable Voltage, 3.0 Amp  
Precision Positive Regulator In A Hermetic  
JEDEC TO-257AA Package  
FEATURES  
• Isolated Hermetic Package, JEDEC TO-257AA Outline  
• Reference Voltages Set To ±2% (±1% Available)  
• Built-In Thermal Overload Protection  
• Short Circuit Current Limiting  
• Product Is Available Screened To MIL-STD-883  
• Similar To Industry Standard P/N LM150A  
DESCRIPTION  
These three terminal positive 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, 0.3% load regulation  
and 0.01% 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25W  
TA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3W  
Thermal Resistance  
3.3  
qJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2°C/W  
qJA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42°C/W  
Note: For ±1% device, add letter "A" in front of part number (e.g. OMA 7604ST).  
4 11 R4  
Supersedes 1 07 R3  
3.3 - 141  
OM7604ST  
ELECTRICAL CHARACTERISTICS -55°C TA 125°C (Note 1) unless otherwise specified  
Test  
Symbol  
Conditions  
Limits  
Unit  
Min.  
Max.  
Reference Voltage  
VREF  
IOUT = 10mA  
TA = 25°C  
1.20  
1.30  
V
3.0V (VIN - VOUT  
10mA IOUT 3.0A (Note 2)  
3.0V (VIN - VOUT 35V,  
IOUT = 10mA, TJ = 25°C  
3.0V (VIN - VOUT 35V,  
OUT = 10mA  
10mA IOUT 3.0A,  
)
35V, P 30W  
1.20  
1.30  
0.01  
0.05  
17.5  
50  
V
%/V  
%/  
Line Regulation  
(Note 2)  
³VOUT  
³VIN  
)
)
I
Load Regulation  
(Note 2)  
³VOUT  
³IOUT  
mV  
mV  
%
VOUT 5.0A, TJ = 25°C  
10mA IOUT 3.0A,  
VOUT 5.0A  
10mA IOUT 3.0A,  
VOUT 5.0A, TJ = 25°C  
10mA IOUT 3.0A,  
VOUT 5.0A  
0.35  
1.0  
%
Thermal Regulation  
Ripple Rejection  
(Note 3)  
20ms pulse, TA =25°C  
VOUT = 10V, f = 120Hz  
CADJ = 10µF  
0.01  
%/W  
dB  
³VIN  
³VREF  
IAdj  
66  
Adjust Pin Current  
Adjust Pin  
100  
5.0  
µA  
µA  
³IAdj  
10mA IOUT 3.0A, IOUT = 10mA  
Current Change  
3.0V (VIN - VOUT  
(VIN - VOUT) = 35V  
(VIN - VOUT 10V  
(VIN - VOUT) = 30V  
) 35V  
Miminum Load Current  
Current Limit  
IMIN  
ICL  
5.0  
mA  
A
)
3.0  
0.3  
A
Notes:  
1. Unless otherwise specified, these specifications apply for (VIN - VOUT) = 5.0V and IOUT = 1.5A. Although power  
dissipation is internally limited, these characteristics are applicable for power dissipation up to 30W.  
2. Regulation is measured at a constant junction temperature using a pulse technique. Changes in output voltage  
due to heating effects are covered under the specification for thermal regulation.  
3. Guaranteed if not tested to the limits specified.  
3.3  
3.3 - 142  
OM7604ST  
TYPICAL PERFORMANCE CHARACTERISTICS  
Load Regulation  
Current Limit  
Adjustment Current  
1.0  
0
65  
60  
6
4
2
0
T = -55°C  
J
T = 25°C  
J
55  
50  
45  
40  
0.1  
IOUT = 3A  
T = 150°C  
J
0.2  
0.3  
0.4  
0.5  
35  
30  
-75  
-50 -25  
0
25 50 75 100125 150  
-25  
25  
75  
125  
-75  
0
5 10 15 20 25 30 35  
Temperature (°C)  
Temperature (°C)  
Input-Output Differential (V)  
Dropout Voltage  
Temperature Stability  
Minimum Operating Current  
3
1.27  
1.26  
1.25  
1.24  
1.23  
5
4
∆VOUT = 100 mV  
T = 150°C  
J
2.5  
IOUT = 3 A  
IOUT = 2 A  
T = 25°C  
3
2
1
0
2
J
IOUT = 20 mA  
1.5  
1
T = -55°C  
J
0.5  
-75  
-50 -25 -0 25 50 75 100 125 150  
0
5
10 15 20 25 30 35 40  
-25  
25  
75  
125  
Temperature (°C)  
Temperature (°C)  
Input-Output Diffential(V)  
Ripple Rejection  
Ripple Rejection  
Ripple Rejection  
100  
80  
100  
80  
CADJ = 10µF  
CADJ = 10µF  
80  
CADJ = 10µF  
CADJ = 0  
70  
60  
60  
40  
CADJ = 0  
60  
CADJ = 0  
40  
20  
0
V
IN - VOUT = 5V  
VIN = 15V  
V
IN = 15V  
VOUT = 500mA  
VOUT = 10V  
50  
40  
20  
0
VOUT = 10V  
f = 120Hz  
f = 120Hz  
TCASE = 25°C  
I
OUT = 500mA  
T = 25°C  
J
5
10 15 20 25 30 35  
Output Voltage (V)  
0
10 100  
1k 10k 100k 1M  
Frequency (Hz)  
0.1  
1
10  
Output Current (A)  
Output Impedance  
Line Transient Response  
Load Transient Response  
1.5  
1.5  
3.3  
10  
1
COUT = 0 CADJ = 0  
V
IN = 15V  
OUT = 10V  
IOUT = 500mA  
V
OUT = 10V  
CADJ = 0  
COUT = 0  
1
0.5  
0
CADJ = 0  
COUT = 0  
1
V
IOUT = 50mA  
COUT = 1µF CADJ = 10µF  
0.5  
T = 25°C  
J
0
0.1  
-0.5  
-1  
-1.5  
VIN = 15V, VOUT = 10V  
COUT = 1µF  
CADJ = 10µF  
Preload = 100mA  
-0.5  
T = 25°C  
J
0.01  
0.001  
CADJ = 10µF  
COUT = 10µF  
-1  
1.5  
1
0.5  
0
1
0.5  
0
0.0001  
0
10  
20  
30  
40  
0
10  
20  
30  
40  
100  
1k  
10k 100k 1M  
10  
Frequency (Hz)  
Time (µs)  
Time (µs)  
3.3 - 143  
OM7604ST  
TYPICAL APPLICATIONS  
1.2 - 2.5V Adjustable Regulator  
Improving Ripple Rejection  
Adjustable Current Limiter  
0.5  
5V  
+
VIN  
VOUT  
VOUT  
VIN  
1µF  
VIN  
VOUT  
VIN  
VOUT  
+
R1  
121  
1%  
1K  
500  
Adj  
Adj  
Adj  
R1  
240  
R2  
365  
1%  
+
C1  
10µf*  
+
+
C2  
l
1µF  
C1*  
1µF  
*C1 improves ripple rejection,  
C should be small compared to R2.  
R2  
5k  
X
+
*Needed if device is far  
from filter capacitors.  
Optional - improves  
transient response.  
l
R2  
+
+
V
OUT = 1.25V(1+  
)
R1  
Precision High Current Reference  
Remote Sensing  
+10V  
Rp (Max Drop 300mV)  
VIN  
VIN  
VOUT  
VIN  
VIN  
VOUT  
5V  
Adj  
6
Adj  
15k  
1%  
2k  
+ 3  
7
4
VIN  
2k  
2
-
7
LT 1001  
6
25  
2
LT 301A  
+
-
RL  
1k  
5µF  
25  
2.5V  
4.99k  
1%  
3
1
121  
LT 1009  
8
4
100pF  
+
-
365  
RET  
Return  
MECHANICAL OUTLINE  
PIN CONNECTION  
.200  
.190  
.420  
.410  
.045  
.035  
Tab  
.665  
.645  
.150  
.140  
.537  
.527  
.430  
.410  
.038 MAX.  
.005  
3.3  
.750  
.500  
1
2 3  
.120 TYP.  
.100 TYP.  
.035  
.025  
Front View  
Pin 1: Adjust  
Pin 2: VOUT  
Pin 3: VIN  
NOTES  
Tab:  
Isolated  
• Case is metal/hermetically sealed  
• Isolated Tab  
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246  

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