UC2844N 查看數據表（PDF） - Motorola => Freescale
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UC2844N Datasheet PDF : 14 Pages
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UC3844, 45 UC2844, 45
0
–4.0
–8.0
–12
–16
–20
–24
0
Figure 7. Reference Voltage Change
versus Source Current
VCC = 15 V
TA = 125°C
TA = –55°C
TA = 25°C
20
40
60
80
100
120
Iref, REFERENCE SOURCE CURRENT (mA)
Figure 8. Reference Short Circuit Current
versus Temperature
110
VCC = 15 V
RL ≤ 0.1 Ω
90
70
50
–55 –25
0
25
50
75
100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 9. Reference Load Regulation
VCC = 15 V
IO = 1.0 mA to 20 mA
TA = 25°C
Figure 10. Reference Line Regulation
VCC = 12 V to 25 V
TA = 25°C
2.0 ms/DIV
2.0 ms/DIV
Figure 11. Output Saturation Voltage
versus Load Current
0
VCC
Source Saturation
(Load to Ground)
VCC = 15 V
80 µs Pulsed Load
–1.0
TA = 25°C
120 Hz Rate
90%
–2.0
TA = –55°C
3.0
TA = –55°C
2.0
TA = 25°C
10%
1.0
Sink Saturation
0
(Load to VCC)
Gnd
0
200
400
600
800
IO, OUTPUT LOAD CURRENT (mA)
Figure 12. Output Waveform
VCC = 15 V
CL = 1.0 nF
TA = 25°C
50 ns/DIV
MOTOROLA ANALOG IC DEVICE DATA
5
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