COM117T [ETC]
(COTS) COMMERCIAL OFF-THE-SHELF 1.5 AMP POSITIVE ADJUSTABLE VOLTAGE REGULATOR IN TO-257 PACKAGE; （ COTS ）商用现货供应1.5 AMP正，可调电压稳压器采用TO- 257封装
| 型号： | COM117T |
| 厂家： | 
ETC |
| 描述： | (COTS) COMMERCIAL OFF-THE-SHELF 1.5 AMP POSITIVE ADJUSTABLE VOLTAGE REGULATOR IN TO-257 PACKAGE |
| 文件： | 总2页 (文件大小：21K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
COM117T
(COTS) COMMERCIAL OFF-THE-SHELF 1.5 AMP POSITIVE
ADJUSTABLE VOLTAGE REGULATOR IN TO-257 PACKAGE
Three Terminal, Precision Adjustable
Positive Voltage Regulator In TO-257 Package
FEATURES
• Built In Thermal Overload Protection
• Short Circuit Current Limiting
DESCRIPTION
These three terminal positive regulators are supplied in hermetically sealed packages.
All protective features are designed into the circuit, including thermal shutdown,
current-limiting, and safe-area control. With heat sinking, these devices can deliver up
to 1.5 amps of output current. The unit also features output voltages that can be fixed
from 1.2 volts to 37 volts using external resistors.
ABSOLUTE MAXIMUM RATINGST @ 25°C
c
Power Dissipation
TO-257........................................................
. 20 W
Input - Output Voltage Differential....................................40
V Operating Junction TemperatureRange..................... -55°Cto+150°C
Storage TemperatureRange................................... -65°Cto+
150°C
Lead Temperature(Soldering10seconds) .......... .......................
300°C Thermal Resistance, Junction to Case:. . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .
. . . . .4.2°C/W
3.3
MaximumOutputCurrent:.......... ...................................
.1.5 A
Recommended Operating Conditions:
Output VoltageRange....................................1.2to37VDC
Ambient Operating Temperature Range (TA)............... -55°Cto+125°C
Input VoltageRange ................................. 4.25to41.25VDC
3.3- 1
COM117T
ELECTRICAL CHARACTERISTICS
-55°C TA 125°C, IL= 8mA (unless otherwise specified)
Parameter
Symbol
VREF
Test Conditions
Min.
1.20
1.20
1.20
-9
Max.
1.30
1.30
1.30
9
Unit
V
Reference Voltage
VDIFF = 3.0V, TA= 25°C
V
DIFF = 3.3V
DIFF = 40V
•
•
V
Line Regulation
(Note 1)
RLINE
3.0V VDIFF 40V, Vout = Vref,TA = 25°C
3.3V VDIFF 40V, Vout = Vref
mV
•
•
•
-23
-15
-15
-15
-15
-16
23
Load Regulation
(Note 1)
RLOAD
VDIFF = 3.0V, 10mA IL 1.5A, TA = 25°C
15
V
DIFF = 3.3V, 10mA IL 1.5A
DIFF = 40V, 10mA IL 300mA, TA = 25°C
15
m V
V
15
V
DIFF = 40V, 10mA IL 195mA
Vin = 14.6V, IL= 1.5A
15
Thermal Regulation
VRTH
16
m V
dB
Pd= 20 Watts, t = 20 ms, TA =25°C
f = 120 Hz, Vout = Vref
CAdj = 10 µF
Ripple Rejection
(Note 2)
RN
•
66
Adjustment Pin Current
I
VDIFF = 3.0V, TA = 25°C
100
100
100
5
Adj
V
DIFF = 3.3V
DIFF = 40V
VDIFF = 3.0V, 10mA IL 1.5A, TA = 25°C
DIFF = 3.3V, 10mA IL 1.5A
•
•
µA
µA
V
Adjustment Pin
Current Change
I³
-5
-5
-5
-5
-5
-5
Adj
V
•
5
V
DIFF = 40V, 10mA IL 300mA, TA = 25°C •
5
VDIFF = 40V, 10mA IL 195mA
3.0V VDIFF 40V, TA = 25°C
3.3V VDIFF 40V
•
5
5
•
5
Miminum Load Current
I
VDIFF = 3.0V, VOUT = 1.4V (forced)
VDIFF = 3.3V, VOUT = 1.4V (forced)
5.0
5.0
5.0
3.5
1.5
Lmin
•
•
•
m A
A
V
DIFF = 40V, VOUT = 1.4V (forced)
VDIFF = 15V
Current Limit
(Note 2)
I
1.5
CL
VDIFF = 40V, TA = 25°C
0.18
Notes:
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.
2. If not tested, shall be guaranteed to the specified limits.
3. The •denotes the specifications which apply over the full operating temperature range.
3.3
MECHANICAL OUTLINE
PIN CONNECTION
TO-257AA
.200
.190
.420
.410
.045
.035
Front View
Pin 1: Adjust
Pin 2: Output
Pin 3: Input
.665
.645
.150
.140
.537
.527
.430
.410
Tab: Isolated
.038 MAX.
.005
.750
.500
1 2 3
.120 TYP.
.100 TYP.
.035
.025
205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246
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