RT9224CS(2001) Ver la hoja de datos (PDF) - Richtek Technology
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RT9224CS
(Rev.:2001)
(Rev.:2001)
Richtek Technology
RT9224CS Datasheet PDF : 8 Pages
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RT9224
Absolute Maximum Ratings
z Supply Voltage
z Boot Voltage
z Input, Output or I/O Voltage
z Storage Temperature Range
z Package Thermal Resistance
SOP-20,θJA
Recommended Operating Conditions
z Supply Voltage, VCC
z Ambient Temperature Range
z Junction Temperature Range
Electrical Characteristics
(TA = 25°C, recommended operating conditions, unless otherwise specified)
Parameter
Symbol
Test Conditions
VCC Supply Current
Nominal Supply
Power-On Reset
ICC
UGATE and LGATE Open
VCC Rising Threshold
VCC Falling Threshold
VOCSET = 4.5V
VOCSET = 4.5V
Rising VOCSET Threshold
Oscillator
Free Running Frequency
Ramp Amplitude
Reference and DAC
∆VOSC
DAC (VID0 – VID4) Input Low Voltage
DAC (VID0 – VID4) Input High Voltage
DACOUT Voltage Accuracy
Error Amplifier
DC Gain
Gate Drivers
UGATE Source
UGATE Sink
LGATE Source
LGATE Sink
RUGATE VBOOT - VPHASE = 12V
RUGATE VUGATE - VPHASE = 1V
ILGATE VCC = 12V, VLGATE = 6V
RLGATE VLGATE = 1V
+15V
+15V
GND – 0.3V to Vcc + 0.3V
-65°C ~150°C
87°C/W
+12V±10%
0°C to 70°C
0°C to 125°C
Min Typ Max Units
--
3
--
mA
--
9.5
--
V
--
7.5
--
V
--
1.6
--
V
170 200 230 KHz
--
1.9
--
VP-P
--
--
0.8
V
2.0
--
--
V
-1.0 -- +1.0 %
--
65
--
dB
--
8
--
Ω
--
5
--
Ω
--
500
--
mA
--
5
--
Ω
To be continued
www.richtek.com
2
DS9224-04 July 2001
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