RT9619 查看數據表（PDF） - Richtek Technology
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RT9619 Datasheet PDF : 11 Pages
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RT9619/A
P ara meter
Symbol
PWM Input
Maximum Input Current
I PWM
PWM Floating Voltage
VPWMfl
PWM Rising Threshold
PWM Falling Threshold
VPWMrth
V PW Mft h
Shutdown W indow
Timing
UGATE Rise Time
UGATE Fall Time
LGATE Rise Time
LGATE Fall Time
RT961 9
RT961 9A
trUGATE
tfUGATE
trLGATE
tfLGATE
tpdhUGATE
Propagation Delay
Output
tpdlUGATE
RT9619/A tpdhLGATE
tpdlLGATE
UGATE Drive Source
UGATE Drive Sink
LGATE Drive Source
LGATE Drive Sink
RUGATEsr
RUGATEsk
RLGATEsr
RLGATEsk
Test Conditions
PWM = 0V or 5V
VCC = 12V
VCC = 12V, 3nF load
VCC = 12V, 3nF load
VCC = 12V, 3nF load
VCC = 12V, 3nF load
VBOOT − VPHASE = 12V
See Timing Diagram
See Timing Diagram
VBOOT – VPHASE = 12V
VBOOT – VPHASE = 12V
VCC = 12V
VCC = 12V
Min Typ Max Units
--
300
--
μA
--
2.4
--
V
3.2 3.6 3.9
V
1.1 1.3 1.5
V
1.5
--
3.2
V
--
27
35
ns
--
32
45
ns
--
35
45
ns
--
27
38
ns
--
20
--
--
90
--
--
15
--
ns
--
20
--
--
8
--
--
1.9
3
Ω
--
1.4
3
Ω
--
1.9
3
Ω
--
1.1 2.2
Ω
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
remain possibility to affect device reliability.
Note 2. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
Note 3. Devices are ESD sensitive. Handling precaution recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS9619/A-06 April 2011
www.richtek.com
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