MP6922A—DUAL, FAST-TURN–OFF, INTELLIGENT RECTIFIER
ELECTRICAL CHARACTERISTICS
VDD = 12V, -40°C ≤TJ≤ 125°C, unless otherwise noted.
Parameter
Symbol Conditions
Min
8
Typ
Max
24
Units
V
VDD Voltage Range
Rising
Hysteresis
4.8
0.5
12
6.0
1
7.0
1.5
23
V
V
VDD UVLO Threshold
CLOAD=5nF, FSW=100kHz
18
mA
Operating Current
ICC
CLOAD=10nF, FSW=100kHz
VDD=20V, EN=0V
24
27
31
mA
µA
µA
°C
°C
V
V
V
V
Shutdown Current
Light-Load Mode Current
Thermal Shutdown
600
600
150
30
1.5
0.2
3
Thermal Shutdown hysteresis
Rising
Hysteresis
Rising
1.1
2.3
2.0
0.45
3.6
Enable Shutdown Threshold
Enable UVLO Threshold
Hysteresis
0.2
0.45
Internal Pull-up Current on
EN
10
16
µA
CONTROL CIRCUITRY SECTION
VS1,2 –VD1,2 Forward Voltage
Vfwd
15
30
45
200
mV
ns
-20°C≤TJ≤125°C
150
250
250
350
τDon
CLOAD=5nF
-40°C≤TJ<-20°C
-20°C≤TJ≤125°C
-40°C≤TJ<-20°C
Turn-on delay
300
1.5
τDon
CLOAD=10nF
ns
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 OFF Period
Width
VD1,2 = 180V
CLOAD = 5nF
µA
µs
µs
µs
µs
τMIN
τOFF
1
1.6
160
2.2
τLL-Delay RLL=100kΩ
τLL
80
260
RLL=100kΩ
τLL-H
RLL=100kΩ
0.2
50
µs
µs
mV
V
τLL-OFF RLL=100kΩ
Light-Load Exit-Pulse Width
VLL-DS
VLL-GS
-450
-300
1.0
-140
Threshold (VD1,2-VS1,2
Light-load Enter-Pulse Width
Threshold (VG1,2-VS1,2
)
)
Reverse-Current–Protection
Threshold
VRCP
2.5
80
3
3.5
V
Reverse-Current–Protection
Latch Time
τRCP
150
230
µs
GATE DRIVER SECTION
VG1,2 (Low)
ILOAD=1mA
0.1
16
V
V
VDD >16V
13
14.5
VDD-2.2
VG1,2 (High)
VDD <16V
Turn-Off Threshold (VS1,2
-
-30
15
mV
ns
VD1,2
)
Turn-Off Propagation Delay
VD1,2= VSS
MP6922A Rev. 1.02
11/30/2012
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