RT8805C 데이터 시트보기 (PDF) - Richtek Technology
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RT8805C Datasheet PDF : 18 Pages
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Preliminary
RT8805C
Pa rame te r
Ramp Amplitude
Reference Voltage
Feedback Voltage
Error Amplifier
DC Gain
Gain-Bandwidth Product
Tra ns -c ond uc tanc e
MAX Current (Source & Sink)
Current Sense GM Amplifier
OC
Gate Driver
Maximum Upper Drive Source
Upper Drive Sink
Maximum Lower Drive Source
Lower Drive Sink
P rotec tion
Under Voltage Protection
Power Sequence
Power Good Threshold
Power Good Output Low Voltage
Symbol
Test Conditions
VFB
VFB = 0.8V
GBW
GM
ICOMP
CLOAD = 5pF
RLOAD = 20kΩ
VCOMP = 2.5V
VPHASE
RIMAX = 33kΩ
IUGATE(MAX)
RUGATE
ILGA TE(MAX)
RLGA TE
BOOT − PHASE = 12V
VUGATE = 1V
PVCC = 12V
VLGATE = 1V
Measure SS Voltage
IPGOOD = 4mA
Min Typ Max Units
--
1.6
--
V
0.792 0.8 0.808 V
60
70
6
10
600 660
300 360
--
dB
-- MHz
-- μA/V
--
μA
-- -220 --
mV
1
--
--
A
--
3.5
7
Ω
1
--
--
A
--
2
4
Ω
0.55 0.6 0.65 V
3.4
3.8 4.2
V
--
0.05 0.2
V
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 four layers thermal conductivity test board of
JEDEC 51-7 thermal measurement standard.
DS8805C-03 August 2007
www.richtek.com
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