7808AF 데이터 시트보기 (PDF) - Toshiba
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7808AF Datasheet PDF : 10 Pages
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Block Diagram
TA78033, 04, 05, 07, 08, 09AF
INPUT
Startup
circuit
Reference
voltage circuit ＋
－
Thermal shutdown
circuit
Safe operating
Area circuit
Over current
protection circuit
OUTPUT
GND
Absolute Maximum Ratings (Ta = 25°C) (Note2)
Characteristic
Symbol
Rating
Unit
Input voltage
Output current
Operating Junction temperature
Junction temperature
Storage temperature
Power dissipation
Ta = 25°C
Tc = 25°C
VIN
20
V
I OUT
1
A
Tj(opr)
−40~135
°C
Tj
150
°C
Tstg
−55~150
°C
1
PD
W
10
Note 2: Do not apply current and voltage (including reverse polarity) to any pin that is not specified.
Note 3: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/Derating Concept and Methods) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Thermal characteristics
Characteristic
Thermal resistance, junction to ambient
Thermal resistance, junction to case
Symbol
Rth (j−a)
Rth (j−c)
Max
Unit
125
°C / W
12.5
°C / W
Protection Function (reference) (Note3)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
Thermal shutdown
Peak circuit current
Short circuit current
TSD
I PEAK
I SC
VIN = VOUT + 5 V
VIN = VOUT + 5 V, Tj = 25°C
VIN = VOUT + 5 V, Tj = 25°C
― 175 ―
°C
―
1.7
―
A
―
1.5
―
A
Note 3: Ensure that the devices operate within the limits of the maximum rating when in actual use.
2
2006-11-06
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