RT9224EP Просмотр технического описания (PDF) - Richtek Technology
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RT9224EP
Richtek Technology
RT9224EP Datasheet PDF : 8 Pages
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RT9224E
Preliminary
Absolute Maximum Ratings
Supply Voltage ------------------------------------------------------------------------------------------------------ +15V
Boot Voltage --------------------------------------------------------------------------------------------------------- +15V
Input, Output or I/O Voltage -------------------------------------------------------------------------------------- GND -0.3V to VCC + 0.3V
Storage Temperature Range -------------------------------------------------------------------------------------- −65° C to150°C
Package Thermal Resistance
SOP-20, θJA -------------------------------------------------------------------------------------------------------------------------------------------------------- 87° C/W
Recommended Operating Conditions
Supply Voltage ------------------------------------------------------------------------------------------------------- +12V ±10%
Ambient Temperature Range -------------------------------------------------------------------------------------- 0° C to 70°C
Junction Temperature Range -------------------------------------------------------------------------------------- 0° C to 125°C
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
VCC Rising Threshold
VCC Falling Threshold
Rising VOCSET Threshold
Oscillator
VOCSET = 4.5V
VOCSET = 4.5V
Free Running Frequency
Ramp Amplitude
Reference and DAC
∆VOSC
DAC (VID0-VID25) Input Low Voltage
DAC (VID0-VID25) 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
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
6
DS9224E-02 March 2004
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