MP6922—DUAL FAST TURN-OFF INTELLIGENT CONTROLLER
ELECTRICAL CHARACTERISTICS
VDD = 12V, TA= +25°C, unless otherwise noted.
Parameter
Symbol Conditions
Min
8
5.0
0.5
Typ
Max
24
7.0
1.5
Units
VDD Voltage Range
V
V
V
Rising
Hysteresis
6.0
1
VDD UVLO Threshold
Quiescent Current
VD1-VS1=-0.5V,
VD2-VS2=-0.5V
Iq
4
6
mA
Shutdown Current
Light-load Mode Current
Thermal shutdown
VDD=20V, EN=0V
600
600
µA
µA
oC
oC
V
V
V
V
µA
150
30
1.5
0.2
3
Thermal Shutdown hysteresis
Rising
Hysteresis
Rising
1.1
2.5
1.9
0.4
3.5
Enable Shutdown Threshold
Enable UVLO Threshold
Hysteresis
0.2
10
Internal Pull-up Current on EN
CONTROL CIRCUITRY SECTION
VS1,2 –VD1,2 forward voltage
15
85
Vfwd
TDon
TDon
55
70
150
250
mV
ns
ns
µA
µs
µs
µs
µs
CLOAD = 5nF
CLOAD = 10nF
VD1,2 = 180V
CLOAD = 5nF
Turn-on delay
Input bias current on VD1,2 pin
Minimum on-time
Minimum off-time
Light-load-enter delay
Light-load-enter pulse width
Light-load turn on pulse width
hysteresis
Light-load-enter
width
Light-load mode exit pulse
width threshold (VD1,2-VS1,2
Light-load mode enter pulse
width threshold (VG1,2-VS1,2
1
TMIN
TOFF
1
1.6
120
2.2
TLL-Delay RLL=100kΩ
150
TLL
RLL=100kΩ
TLL-H
RLL=100kΩ
0.2
50
µs
µs
mV
V
off
period
TLL-OFF RLL=100kΩ
VLL-DS
VLL-GS
VRCP
TRCP
-400
-250
1.0
)
)
Reverse Current Protection
threshold
Reverse Current Protection
latch time
3
V
100
µs
GATE DRIVER SECTION
VG1,2 (Low)
ILOAD=1mA
VDD >16V
VDD <16V
0.05
14
VDD-2.2
0
0.1
V
V
VG1,2 (High)
Turn off threshold (VS1,2-VD1,2
Turn-off propagation delay
)
mV
ns
VD1,2=VSS
15
VD1,2 =VSS, CLOAD=5nF,
RGATE=0Ω
VD1,2 =VSS, CLOAD=10nF,
GATE=0Ω
35
45
ns
ns
TDoff
TDoff
Turn-off total delay
R
Pull down impedance
Pull down current
1
3
2
Ω
A
3V <VG1,2<10V
MP6922 Rev. 1.23
9/19/2012
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