RT9202B データシートの表示（PDF） - Richtek Technology
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RT9202B Datasheet PDF : 14 Pages
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RT9202B
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
SOP-8 ------------------------------------------------------------------------------------------------------------------- 0.625W
l Package Thermal Resistance (Note 4)
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
DS9202B-03 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
Ω
--
5 7.5 Ω
--
4
6
Ω
--
2
4
Ω
To be continued
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