AZ34063C 查看數據表（PDF） - Unspecified
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AZ34063C Datasheet PDF : 13 Pages
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Preliminary Datasheet
0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER
Electrical Characteristics (Continued)
AZ34063C
Forced E of output switch:
IC dIrCivoeurt-pu7t.0mA*t10
* The 100: resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts.
Typical Performance Characteristics
1000
100
V =5.0V
CC
Pin 7=V
CC
Pin 5=GND
T =25OC
A
10
t
on
t
off
1
0.1
1
10
100
C ,Oscillator Timing Capacitor (nF)
T
Figure 4. Output Switch On-Off Time vs.
Oscillator Timing Capacitor
VCC=5.0V
Pin 7=VCC
Pin 2=GND
Pin 1,5,8 = open
CT=1.0nF
TA=25oC
Time. 10Ps/DIV
Figure 5. Timing Capacitor Waveform
V =5.0V
100
CC
Pin 7=V
CC
Pin 5=GND
T =25OC
A
10
1
0.1
1
10
100
C ,Oscillator Timing Capacitor (nF)
T
3.5
3.0
2.5
2.0
CT=1.0nF
1.5
Pin 7=V
CC
Pin 2=GND
1.0
0.5
0
5
10
15
20
25
30
35
40
V . Supply Voltage (V)
CC
Figure 6. Oscillator Frequency vs.Timing Capacitor
Apr. 2005 Rev. 1. 2
6
Figure 7. Standby Supply Current vs. Supply Voltage
BCD Semiconductor Manufacturing Limited
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