MC33261 Ver la hoja de datos (PDF) - Motorola => Freescale
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MC33261 Datasheet PDF : 12 Pages
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MC34261 MC33261
Figure 9. Zero Current Detector Input Threshold
Voltage Change versus Temperature
40
0
–2.0
20
VCC = 12 V
–4.0
0
Upper Threshold
(Vin Increasing)
–6.0
4.0
–20
Lower Threshold
2.0
(Vin Decreasing)
–40
0
–55
–25
0
25
50
75
100 125
0
TA, AMBIENT TEMPERATURE (°C)
Figure 10. Output Saturation Voltage
versus Load Current
VCC
VCC = 12 V
80 µs Pulsed Load
120 Hz Rate
Source Saturation
(Load to Ground)
Sink Saturation
(Load to VCC)
Gnd
80
160
240
320
IO, OUTPUT LOAD CURRENT (mA)
Figure 11. Drive Output Waveform
90
VCC = 12 V
CL = 1.0 nF
%
TA = 25°C
Figure 12. Drive Output Cross Conduction
VCC = 12 V
CL = 15 pF
TA = 25°C
10
%
100 ns/DIV
100 ns/DIV
Figure 13. Supply Current versus Supply Voltage
16
12
8.0
VFB = 0 V
Current Sense = 0 V
4.0
Multiplier = 0 V
CL = 1.0 nF
f = 50 kHz
TA = 25°C
0
0
10
20
30
40
VCC, SUPPLY VOLTAGE (V)
Figure 14. Undervoltage Lockout Thresholds
versus Temperature
12
11
Startup Threshold
(VCC Increasing)
10
9.0
8.0
Minimum Operating Threshold
(VCC Decreasing)
7.0
6.0
–55
–25
0
25
50
75
100 125
TA, AMBIENT TEMPERATURE (°C)
MOTOROLA ANALOG IC DEVICE DATA
5
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