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UC1730 Scheda tecnica(PDF) 2 Page - Texas Instruments

Il numero della parte UC1730
Spiegazioni elettronici  Thermal Monitor
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UC1730 Scheda tecnica(HTML) 2 Page - Texas Instruments

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PACKAGE PIN FUNCTION
FUNCTION
PIN
N/C
1-3
ALARM DELAY
4
ALARM OUTPUT
5
+VIN
6
GND
7
N/C
8-13
PTAT+
14
PTAT-
15
2.5V REFERENCE
16
2.5V REFERENCE
17
ALARM
THRESHOLD SET
18
N/C
19-20
Input Supply Voltage, (+VIN). . . . . . . . . . . . . . . . . . . . . . . 40V
Alarm Output Voltage (8-Pin Version Only) . . . . . . . . . . . 40V
Alarm Delay Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V
Alarm Threshold Set Voltage . . . . . . . . . . . . . . . . . . . . . . 10V
2.5V Reference Output Current . . . . . . . . . . . . . . . . . -400 mA
Alarm Output Current (8-Pin Version Only) . . . . . . . . . . 0 mA
Power Dissipation at TA = 25°C (Note 2) . . . . . . . . . 1000 mW
Power Dissipation at TC = 25°C (Note 2) . . . . . . . . . 2000 mW
Thermal Resistance Junction to Ambient
N, 8-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . 110°C/W
J, 8-Pin Ceramic DIP . . . . . . . . . . . . . . . . . . . . . . . . 110°C/W
T, 5-Pin Plastic DIP TO-220 . . . . . . . . . . . . . . . . . . . . 65°C/W
Thermal Resistance Junction to Case
N, 8-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W
J, 8-Pin Ceramic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C/W
T, 5-Pin Plastic TO-220 . . . . . . . . . . . . . . . . . . . . . . . . . 5°C/W
Operating Junction Temperature . . . . . . . . . -55°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . -65°C to +150°C
Lead Temperature (Soldering, 10 Seconds). . . . . . . . . 300°C
Note 1: Voltages are referenced to ground. Currents are posi-
tive into, negative out of, the specified terminals.
Note 2: Consult Packaging section of Databook for thermal
limitations and considerations of package.
DIL-8 (TOP VIEW)
N or J Package
5-PIN TO-220 (TOP VIEW)
T Package
UC1730
UC2730
UC3730
CONNECTION DIAGRAMS
PLCC-20 (TOP VIEW)
Q Package
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS:
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLY
Supply Current
+VIN = 35V
2.8
4.0
mA
+VIN = 5V
2.3
3.5
mA
REFERENCE
Output Voltage
TJ = 25°C
2.475
2.5
2.525
V
Over Temperature
2.46
2.54
V
Load Regulation
IOUT = 0 to 250mA
8.0
25
mV
Line Regulation
+VIN = 5 to 25V
1.0
5.0
mV
TEMPERATURE COMPARATOR
Temperature Comparator Threshold at 300°K (26.85°C), Nominally 5mV/°K,
VINPUT High to Low
1.475
1.50
1.525
V
Temperature Error
-10
10
°C
Threshold Line Regulation
+VIN = 5 to 25V
0.005
0.02
%/V
Temperature Linearity
Note 2
2.0
5.0
°C
Threshold Hysteresis
3.0
8.0
15
mV
Input Bias Current
VINPUT at 1.5V
-0.5
-0.1
µA
Max Output Current
VOUT = 1V
1.2
3.0
mA
Output Sat Voltage
IOUT = 100
µA
0.05
0.25
V
Unless otherwise stated, these specifications apply for TJ = 0°C to +100°C for the
UC3730, -25°C to + 100°C for the UC2730 and -55°C to +125°C for the UC1730,
+VIN = + 5V, and PTAT– = 0V. TA = TJ.
2


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