MPQ8632 HIGH EFFICIENCY 18V SYNCHRONOUS STEP-DOWN CONVERTER FAMILY FOR 4A TO 20A
ELECTRICAL CHARACTERISTICS
VIN = 12V, TJ = -40C to +125C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Supply Current
Supply Current (Shutdown)
Supply Current (Quiescent)
MOSFET
IIN
IIN
VEN = 0V
0
1
μA
μA
VEN = 2V, VFB = 1V
700
860
1000
MPQ8632GLE-4,6,8,
TJ =25C
28
19.6
9.9
mΩ
mΩ
mΩ
MPQ8632GLE-10,12,
MPQ8632HGLE-10,
TJ =25C
High-side Switch On Resistance
HSRDS-ON
MPQ8632GVE-15,20,
TJ =25C
16.4
15.8
15.3
MPQ8632GLE-4, TJ =25C
MPQ8632GLE-6, TJ =25C
MPQ8632GLE-8, TJ =25C
MPQ8632GLE-10,
MPQ8632HGLE-10,
TJ =25C
Low-side Switch On Resistance
LSRDS-ON
5.7
mΩ
5.2
3
MPQ8632GLE-12, TJ =25C
MPQ8632GVE-15, TJ =25C
2.4
0
MPQ8632GVE-20, TJ =25C
Switch Leakage
SWLKG
VEN = 0V, VSW = 0V or 12V
10
μA
Current Limit
High-side Peak Current Limit
ILIMIT_PEAK
MPQ8632GLE-10
MPQ8632GLE-4
MPQ8632GLE-6
MPQ8632GLE-8
MPQ8632GLE-10
MPQ8632HGLE-10
MPQ8632GLE-12
MPQ8632GVE-15
MPQ8632GVE-20
13
4
17.3
5
21.6
6
A
6.5
8
7.5
10
11
13
15
20
25
8.5
12
9.5
10
12
15
20
12.5
16
Low-side Valley Current Limit(6)
ILIMIT_VALLEY
A
A
18
25
30
MPQ8632GVE-15
All other parts
-6.6
-4
-5.6
-2.5
-4.6
-1
Low-side Negative Current
Limit(6)
ILIMIT_NEGATIVE
MPQ8632 Rev.1.24
8/28/2013
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