RT9921PQV 查看數據表（PDF） - Richtek Technology
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RT9921PQV Datasheet PDF : 15 Pages
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Preliminary
RT9921
Parameter
Symbol
Test Condition
Min
Typ
Max Units
VCOM Buffer
Supply Voltage Range
AVDD
--
15
V
Supply Current
Input Offset Voltage
Input Bias Current
IOP
VOS
IBIAS
Output Voltage Swing High VOH
Output Voltage Swing Low VOL
Short-Circuit Current
VCOM = AVDD/2, TA = 25°C
IOUT = 100μA
IOUT = 75mA
IOUT = −100μA
IOUT = −75mA
Source
To AVDD/2
Sink
--
0.5
0.9
mA
−17
--
17
mV
--
1
50
nA
AVDD −20 AVDD −5 --
mV
-- AVDD −1.5 --
V
--
5
20
mV
--
1.5
--
V
100
140
180 mA
100
140
180 mA
-3dB Bandwidth
Gain Bandwidth Product
F3dB
GBW
--
12
--
MHz
--
8
--
MHz
Slew Rate
SR
--
12
--
V/μs
Gate-High Regulator
Feedback Reference Voltage VFBP No Load
RON_P VAVDD = 12V
DRVP Switch On-Resistance
RON_N VAVDD = 12V
Switching Frequency
fSW
http://www.DataSheet4U.net/
1.216
1.240
--
20
--
20
0.5 x fOSC
1.264
--
--
V
Ω
Ω
MHz
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. Devices are ESD sensitive. Handling precaution recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4. θJA is measured in the natural convection at TA = 25°C on a high effective thermal conductivity test board of
JEDEC 51-7 thermal measurement standard.
DS9921-00 November 2007
www.richtek.com
7
datasheet pdf - http://www.DataSheet4U.net/
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