MC33129 Просмотр технического описания (PDF) - Motorola => Freescale
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MC33129 Datasheet PDF : 16 Pages
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FreescalMeCS34e1m29iMcCo3n3d1u29ctor, Inc.
Figure 7. Error Amp Open Loop DC Gain
versus Load Resistance
90
80
70
60
VCC = 10 V
VO = 1.25 V
RL to 1.25 Vref
TA = 25°C
50
0
20
40
60
80
100
RL, OUTPUT LOAD RESISTANCE (kΩ)
Figure 8. Error Amp Output Saturation
versus Sink Current
1.0
VCC = 10 V
Pins 8 to 9, 6 to 10
0.8 Pins 2, 5, 7 to Gnd
TA = 25°C
0.6
0.4
0.2
0
0
2.0
4.0
6.0
8.0
ISink, OUTPUT SINK CURRENT (mA)
Figure 9. Soft–Start Buffer Output Saturation
versus Sink Current
1.0
VCC = 10 V
0.8
Pins 8 to 9
Pins 2, 5, 7, 10, 12 to Gnd
TA = 25°C
0.6
0.4
0.2
0
0
100
200
300
400
500
ISink, OUTPUT SINK CURRENT (µA)
Figure 10. Reference Output Voltage versus
Supply Voltage
3.2
TA = 25°C
Vref 2.5 V, RL = 2.5 k
2.4
1.6
Vref 1.25 V, RL = ∞
0.8
0
0
4.0
8.0
12
16
VCC, SUPPLY VOLTAGE (V)
Figure 11. 1.25 V Reference Output Voltage
Change versus Source Current
0
VCC = 10 V
–4.0
–8.0
–12
+25°C
TA = – 40°C
+85°C
–16
–20
–24
0
2.0
4.0
6.0
8.0
10
Iref, REFERENCE OUTPUT SOURCE CURRENT (mA)
Figure 12. 2.5 V Reference Output Voltage
Change versus Source Current
0
VCC = 10 V
–4.0
–8.0
–12
TA = – 40°C
25°C 85°C
–16
–20
–24
0
0.4
0.8
1.2
1.6
2.0
Iref, REFERENCE OUTPUT SOURCE CURRENT (mA)
MOTOROLA ANALOG IC DEVICEFDoArTMA ore Information On This Product,
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