TEA5170 데이터 시트보기 (PDF) - STMicroelectronics
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TEA5170 Datasheet PDF : 9 Pages
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TEA5170
BLOCK DIAGRAM
Ct 7
OSCILLATOR
Rt
8
LOGIC
(SYNCHRO)
Comparator
2.7V
POWER OUTPUT
STAGE
Csf 1
SOFT START AND
DUTY CYCLE LIMITING
PWM
E- 5
Error Amplifier
PWM
x -1
2V
6
Eout
4
GND
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
Tj
Tstg
Parameter
Supply Voltage
Operating Junction Temperature
Storage Temperature Range
THERMAL DATA
Symbol
Rth (j-a)
Parameter
Junction-ambient Thermal Resistance
RECOMMANDED OPERATING CONDITIONS
Symbol
VCC
RT
CT
Fosc
Fsy
Tamb
VRT
VCT
ISOURCE
Parameter
Power Supply Voltage
Timing Resistor
Timing Capacitor
Oscillator Frequency
Synchro Frequency
Operating Ambient Temperature
Voltage on Pin RT (8)
Current on Pin CT (1)
Output Current
LOGIC
VCC Monitor
2
3
VCC
Pout
Value
Unit
15
V
150
°C
– 40, + 150
°C
Value
90
Unit
°C/W
Min. Typ. Max. Unit
5
14
V
47
180 kΩ
0.12
1.8 nF
12
250 kHz
12
64 kHz
– 20
70
°C
7 Volt
100 µA
30
60 mA
2/9
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