參數(shù)資料
型號: MC33470DW
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
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: SWITCHING CONTROLLER, 390 kHz SWITCHING FREQ-MAX, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 6/16頁
文件大小: 311K
代理商: MC33470DW
MC33470
6
MOTOROLA ANALOG IC DEVICE DATA
Figure 7. Drive Output Source/Sink Saturation
Voltage versus Load Current
Figure 8. Feedback Threshold Voltage
versus Temperature
Figure 9. Imax Current versus Temperature
Figure 10. Vsense Current Source
versus Temperature
Figure 11. VCC Undervoltage Lockout Trip Point
versus Temperature
Figure 12. Oscillator Frequency
versus Temperature
–4.0
–3.5
–3.0
–2.0
–2.5
–1.0
–1.5
–0.5
0
0.5
1.0
–4.0
–2.0
2.0
4.0
0
–6.0
–1.5
–2.0
–2.5
–1.0
–0.5
0.5
1.5
2.0
0
1.0
2.5
–5.0
–4.0
–2.0
2.0
4.0
5.0
0
–0.2
0.8
–50
–25
0
25
50
75
TA, AMBIENT TEMPERATURE (
°
C)
IO = 3.3 A
VO = 2.8 V
100
125
0.2
0.4
0.6
0
1.0
FREQUENCY (kHz)
10
100
1000
1.0
10
100
1000
180
150
120
90
0
60
30
Phase
VCCP = 12 V
VCC = 5.0 V
VO = 2.8 V
R2 = 18.2 k
C16 = 0
TA = 25
°
C
Figure 13
Gain
G
μ
,
–75
T
–50
–25
0
25
50
75
TA, AMBIENT TEMPERATURE (
°
C)
100
125
–75
IO = 3.3 A
VO = 2.8 V
I
–50
–25
0
25
50
75
TA, AMBIENT TEMPERATURE (
°
C)
100
125
–75
IO = 3.3 A
VO = 2.8 V
I
–50
–25
0
25
50
75
TA, AMBIENT TEMPERATURE (
°
C)
100
125
–75
VCC Increasing
IO = 3.3 A
VO = 2.8 V
U
–50
–25
0
25
50
75
TA, AMBIENT TEMPERATURE (
°
C)
100
125
–75
IO = 3.3 A
VO = 2.8 V
U
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