LM1875 データシートの表示（PDF） - Unisonic Technologies
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LM1875 Datasheet PDF : 7 Pages
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LM1875
TYPICAL CHARACTERISTICS (Cont.)
Power Disipation vs Power Output
50
Vs=+30V
45
40
35
30
Vs=+25V
25
20
Vs=+20V
15
10
Vs=+15V
5
RL=4Ω
0
fo=1kHz
0 5 10 15 20 25 30
Power Output (W)
IOUT vs VOUT-Current Limit/
Safe Operating Area Boundary
6
4
2
0
-2
-4
-6
-25 -20 -15 -10 -5 0 5 10 15 20 25
Output Voltage (V)
Input Bias Current vs Supply Volage
300
TA=70℃
250
TA=25℃
200
TA=0℃
150
100
0
0 5 10 15 20 25 30
Supply Voltage(+V)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
Power Disipation vs Power Output
50 RL=8Ω
45 fo=1kHz
40
35
30
Vs=+30V
25
Vs=+25V
20
15
10
Vs=+20V
5
Vs=+15V
0
0 5 10 15 20 25 30
Power Output (W)
Open Loop Gain and Phase vs
Frequency
30
25
20
180
15
135
10
90
5
45
0
0
-5
-45
-10
-90
-15
-20
100k
1M
Frequency (Hz)
-135
-180
10M
* Thermal shutdown with infinite heat sink
**Thermal shutdown with 1℃/ W heat sink
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QW-R107-019,D
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