參數(shù)資料
型號(hào): 34063CM
廠商: BCD Semiconductor Manufacturing Limited
元件分類: DC/DC變換器
英文描述: 0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER
中文描述: 0.8A STEP-DOWN/STEP-UP/INVERTING DC - DC變換器
文件頁數(shù): 6/13頁
文件大?。?/td> 310K
代理商: 34063CM
0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER AZ34063C
Data Sheet
6
Sep. 2006 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Figure 4. Output Switch On-Off Time vs.
Oscillator Timing Capacitor
Figure 5. Timing Capacitor Waveform
Typical Performance Characteristics
Time. 10
μ
s/DIV
V
C
output
Forced
β
of output switch:
I
C
driver - 7.0mA*
10
* The 100
resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts.
Figure 6. Oscillator Frequency vs.Timing Capacitor
Figure 7. Standby Supply Current vs. Supply Voltage
Electrical Characteristics (Continued)
Pin 1,5,8=open
C
T
=1.0nF
T
A
=25
o
C
V
CC
=5.0V
V
PIN7
=V
CC
V
PIN2
=GND
0.1
1
10
100
1
10
100
V
CC
=5.0V
V
PIN7
=V
V
PIN5
=GND
T
A
=25
O
C
F
C
T
, Oscillator Timing Capacitor (nF)
0
5
10
15
20
25
30
35
40
0.5
1.0
1.5
2.0
2.5
3.0
3.5
C
T
=1.0nF
V
PIN7
=V
V
PIN2
=GND
I
C
.
V
CC
. Supply Voltage (V)
0.1
1
10
100
1
10
100
1000
t
off
t
on
V
CC
=5.0V
V
PIN7
=V
V
PIN5
=GND
T
A
=25
O
C
T
μ
s
C
T
, Oscillator Timing Capacitor (nF)
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