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MP6922DN Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP6922DN
Description  Dual Fast Turn-off Intelligent Controller
PDF  13 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP6922DN Datasheet(HTML) 3 Page - Monolithic Power Systems

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



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