MC33470DW ON Semiconductor, MC33470DW Datasheet - Page 6

• Manufacturer Part Number: MC33470DW
• Description: IC CONV DC/DC SYNC RECT 20-SOIC
• Manufacturer: ON Semiconductor

Specifications of MC33470DW

• Applications: Controller, Intel Pentium® II
• Voltage - Input: 4.5 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 1.8 ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1000
−2.0
−4.0
−6.0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
−3.5
−4.0
100
1.0
4.0
2.0
1.0
0.5
10
0
0
−75
−75
1.0
Figure 12. V
Figure 8. Drive Output Source/Sink Saturation
Figure 10. I
V
V
V
R2 = 18.2 k
C16 = 0
T
Figure 14
A
CCP
CC
O
−50
−50
= 25°C
= 2.8 V
= 5.0 V
= 12 V
Voltage versus Load Current
−25
−25
T
T
CC
A
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
max
versus Temperature
10
Undervoltage Lockout Trip Point
FREQUENCY (kHz)
0
Current versus Temperature
0
Gain
25
25
50
50
100
Phase
V
I
V
O
75
75
CC
O
= 3.3 A
= 2.8 V
I
V
Increasing
O
O
= 3.3 A
= 2.8 V
100
100
http://onsemi.com
MC33470
1000
125
125
0
30
60
90
120
150
180
6
−2.0
−4.0
−5.0
−0.2
−0.5
−1.0
−1.5
−2.0
−2.5
5.0
4.0
2.0
0.8
0.6
0.4
0.2
2.5
2.0
1.5
1.0
0.5
0
0
0
−75
−75
−75
I
V
I
V
O
O
O
O
= 3.3 A
Figure 9. Feedback Threshold Voltage
= 3.3 A
−50
−50
−50
= 2.8 V
= 2.8 V
Figure 11. V
Figure 13. Oscillator Frequency
−25
−25
−25
T
T
T
A
A
A
versus Temperature
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
versus Temperature
versus Temperature
0
0
0
sense
25
25
25
Current Source
50
50
50
I
V
O
O
= 3.3 A
= 2.8 V
75
75
75
100
100
100
125
125
125