MPQ8632 HIGH EFFICIENCY 18V SYNCHRONOUS STEP-DOWN CONVERTER FAMILY FOR 4A TO 20A
Table 5—MPQ8632-8, FSW=500kHz, VIN=12V
Table 11—MPQ8632-6, FSW=500kHz, VIN=12V
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R7
(kΩ)
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
1
0.72
1.8
13.3
63.4
91
20
20
20
357
887
1
1
13.7
66.5
95.3
20
20
20
357
887
2.5
3.3
2.5
3.3
2.2
3.3
1000 220
1200 220
2.2
1200
1200
Table 6—MPQ8632-10, MPQ8632H-10,
Table 12—MPQ8632-8, FSW=500kHz, VIN=12V
FSW=500kHz, VIN=12V
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
VOUT
(V)
L
R1
R2
R7
(kΩ)
(μH)
(kΩ)
(kΩ)
1
0.72
1.8
13.7
66.5
95.3
20
20
20
357
887
1
0.72
1.5
13.3
63.4
91
20
20
20
357
887
2.5
3.3
1000 220
1200 220
2.5
3.3
2.2
1200
1.8
1200
Table 13—MPQ8632-10, MPQ8632H-10,
Table 7—MPQ8632-12, FSW=500kHz, VIN=12V
FSW=500kHz, VIN=12V
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R7
(kΩ)
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
1
0.72
1.5
13.3
63.4
91
20
20
20
357
887
1
0.72
1.5
13.7
66.5
95.3
20
20
20
357
887
2.5
3.3
2.5
3.3
1000 220
1200 220
1.8
1200
1.8
1200
Table 8—MPQ8632GVE-15, FSW=500kHz,
Table 14—MPQ8632-12, FSW=500kHz, VIN=12V
VIN=12V
R1
(kΩ)
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
VOUT
(V)
L
(μH)
R2
(kΩ)
R7
(kΩ)
1
0.72
1.5
13.7
66.5
95.3
20
20
20
357
887
1
0.72
0.72
1
13.3
63.4
91
20
20
20
357
887
2.5
3.3
1000 220
1200 220
2.5
3.3
1.8
1200
1200
Table 15—MPQ8632GVE-15, FSW=500kHz,
Table 9— MPQ8632GVE-20, FSW=500kHz,
VIN=12V
VIN=12V
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R7
(kΩ)
1
0.72
0.72
1
13.7
68
20
20
20
357
887
1
0.72
0.72
0.72
13.3
63.4
91
20
20
20
357
887
2.5
3.3
1000 220
1200 220
2.5
3.3
95.3
1200
1200
Table 16—MPQ8632GVE-20, FSW=500kHz,
Table 10—MPQ8632-4, FSW=500kHz, VIN=12V
VIN=12V
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
VOUT
(V)
L
(μH)
R1
(kΩ)
R2
(kΩ)
R4
(kΩ) (pF)
750 220
C4
R7
(kΩ)
1
1.8
3.3
3.9
13.7
66.5
95.3
20
20
20
357
887
1
0.72
0.72
0.72
13.7
68
20
20
20
357
887
2.5
3.3
1000 220
1200 220
2.5
3.3
1000 220
1200 220
1200
95.3
1200
MPQ8632 Rev.1.24
8/28/2013
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