參數(shù)資料
型號: MC33470
廠商: ON SEMICONDUCTOR
英文描述: 60-mA, 5.0-V, Buck/Boost Charge Pump in ThinSOT-23 6-SOT -40 to 85
中文描述: 同步整流DC / DC變換器可編程集成控制器
文件頁數(shù): 5/16頁
文件大?。?/td> 311K
代理商: MC33470
MC33470
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Output Drive Waveform
Figure 2. 5.0 V Supply Current
Figure 3. Error Amplifier Transient Response
Figure 4. Drive Output Source/Sink Saturation
Voltage versus Load Current
Figure 5. Feedback Circuit Load
Transient Response
Figure 6. Feedback Loop Gain and Phase
versus Frequency
2.5 mS/DIV
VO = 2.8 V
IO transient = 0.3 to 16 A
Figure 13 Circuit
200 nS/DIV
VO = 2.8 V
IO = 3.3 A
Figure 13 Circuit
0
VO = 2.8 V
IO transient = 0.3 to 16 A
Figure 13 Circuit
2.5 mS/DIV
2
5
5
INPUT VOLTAGE (V)
0
1.0
2.0
3.0
5.0
8.0
8.0
7.0
6.0
4.0
0
1.0
2.0
3.0
4.0
5.0
6.0
TA = 25
°
C
7.0
0
–0.5
–1.0
0
0.5
1.0
0
0.2
0.4
0.6
0.8
1.0
1.2
Source Saturation
(Load to Ground)
Ground
f, FREQUENCY (Hz)
300
–10
–5.0
0
5.0
20
10
15
1.0 k
10 k
100 k
300 k
3.0 k
30 k
180
150
120
90
0
60
30
Phase
VCCP = 12 V
VCC = 5.0 V
VO = 2.8 V
IO = 3.3 A
TA = 25
°
C
Gain
I
Sink Saturation
(Load to PVCC)
L
,
PVCC
PVCC
12 V
PVCC
Open
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