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RT9202 Просмотр технического описания (PDF) - Richtek Technology

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RT9202 Datasheet PDF : 14 Pages
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RT9202
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage, VCC ----------------------------------------------------------------------------------------- 7V
l BOOT & UGATE to GND -------------------------------------------------------------------------------------------- 15V
l Input, Output or I/O Voltage ---------------------------------------------------------------------------------------- GND 0.3V to 7V
l Power Dissipation, PD @ TA = 25°C
l SOP-8 ------------------------------------------------------------------------------------------------------------------- 0.625W
l Package Thermal Resistance (Note 4)
l SOP-8, θJA -------------------------------------------------------------------------------------------------------------- 160°C/W
l Ambient Temperature Range --------------------------------------------------------------------------------------- 0°C to +70°C
l Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------- 260°C
l Storage Temperature Range ---------------------------------------------------------------------------------------- 65°C to +150°C
l ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
l Junction Temperature Range --------------------------------------------------------------------------------------- 40°C to +125°C
Electrical Characteristics
(VCC = 5V, TA = 25° C, Unless otherwise specified.)
Parameter
Symbol
VCC Supply Current / Regulated Voltage
Nominal Supply Current
ICC
Regulated Voltage from BOOT
VCC
Power-On Reset
Rising VCC Threshold
VCC Threshold Hysteresis
Rising VOCSET Threshold
Reference
Reference Voltage
Oscillator
Free Running Frequency
Ramp Amplitude
Error Amplifier
VOSC
DC gain
PWM Controller Gate Driver
Upper Drive Source
Upper Drive Sink
Lower Drive Source
Lower Drive Sink
RUGATE
RUGATE
RLGATE
RLGATE
Test Conditions
UGATE, LGATE open
VBOOT = 12V
VOCSET = 4.5V
VOCSET = 4.5V
BOOT= 12V
BOOT-VUGATE = 1V
VUGATE = 1V
VCC - VLGATE = 1V,
VLGATE = 1V
DS9202-09 March 2007
Min Typ Max Units
--
3
6 mA
5
6
7
V
3.85 4.1 4.35 V
0.3 0.5 0.7 V
0.8 1.25 2.0 V
0.784 0.8 0.816 V
250 300 350 kHz
-- 1.75 -- VP-P
32 35 38 dB
--
7
11
--
5 7.5
--
4
6
--
2
4
To be continued
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