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SP6659 Datasheet(PDF) 4 Page - Sipex Corporation

Part # SP6659
Description  1.5MHz, 600mA Synchronous Buck Regulator
Download  11 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6659 Datasheet(HTML) 4 Page - Sipex Corporation

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Date: 9/25/06 Rev C
SP6659 1.5MHz, 600mA Synchronous Buck Regulator
© 2006 Sipex Corporation
Figure 7: Efficiency Vs. Load Current, Vout =1.8V
1.8Vout Load Regulation
1.790
1.800
1.810
1.820
1.830
0
100
200
300
400
500
600
700
Output Current (mA)
Vin=4.2V
Vin=3.3V
Vin=2.7V
Figure 8: Load Regulation Vout =1.8V
Supply Current vs Supply Voltage
200
220
240
260
280
300
320
340
360
380
400
2
3
4
5
6
Input Voltage (V)
Vo=1.8V
Iload=0A
1.8Vout Efficiency vs Input voltage
50
55
60
65
70
75
80
85
90
95
100
2
3
4
5
6
Input Voltage (V)
Iout=600mA
Iout=100mA
Iout=10mA
Oscillator Frequency vs Supply Voltage
1.2
1.3
1.4
1.5
1.6
2
3
4
5
6
Input Voltage (V)
Vo=1.8V
Iload=600mA
Figure 10: Output Voltage vs. Load Current
Figure 11: Supply Current vs. Supply Voltage
Figure 12: Oscillator Frequency vs. Supply Voltage
Figure 9: 1.8Vout Efficiency vs. Input Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, VOUT = 1.8V, TAMB= +27°C
1.8Vout Efficiency Vs Output
40
50
60
70
80
90
100
1
10
100
1000
Output Current (mA)
Vin=2.7V
Vin=3.3V
Vin=4.2 V
Output Voltage vs Load Current
1.750
1.760
1.770
1.780
1.790
1.800
1.810
1.820
1.830
1.840
1.850
0
200
400
600
800
1000
1200
Load Current (mA)
Vin=3.3V


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