UC3845L-D08-T 查看數據表（PDF） - Unisonic Technologies
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UC3845L-D08-T Datasheet PDF : 7 Pages
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UC3844/45
TYPICAL CHARACTERISTICS
Timing Resistor vs. Oscillator Frequency
100
VCC = 15V
50
20
10
5.0nF2.0n1F.0n5F00pF200p1F00pF TA = 25℃
C
5.0
T = 10nF
2.0 Note: Output Switches At
One-Half The Oscillator
Frequency
1.0
10k 20k
50k 100k
200k
500k 1.0M
Oscillator Frequency, IOSC (Hz)
Error Amp Open Loop Gain Phase vs. Frequency
100
0
VCC = 15V
80
VOUT = 2.0V ~ 4.0V 30
Gain
RL = 100k
TA = 25℃
60
60
40
90
Phase
20
120
0
150
-20
10
180
100 1.0k 10k 100k 1.0M 10M
Frequency, f (Hz)
LINEAR INTEGRATED CIRCUIT
Output Deadtime vs. Oscillator Frequency
75
1.0nF
70
2.0nF
5.0nF
65
CT = 10nF
60
55
50
10k
100pF
500pF 200pF
20k
50k 100k 200k 500k 1.0M
Oscillator Frequency, IOSC (Hz)
Current Sense Input Threshold vs. Error Amp
Output Voltage
1.2
1.0
TA = 125℃
0.8
TA = 25℃
0.6
0.4
0.2
0
0
TA = -55℃
VCC = 15V
2.0
4.0
6.0
8.0
Error Amp Output Voltage, VOUT (V)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 7
QW-R103-010.D
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