RT9245C 데이터 시트보기 (PDF) - Richtek Technology
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RT9245C Datasheet PDF : 25 Pages
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RT9245C
Parameter
Symbol
Test Conditions
Min Typ Max Units
DAC (VID0-VID125) Input Low
VILDAC
VRD 10.x
K8
--
--
0.4
V
--
--
0.8
V
DAC (VID0-VID125) Input High
VIHDAC
VRD 10.x
K8
0.8
--
--
V
1.2
--
--
V
DAC (VID0-VID125) pull up resistor
DAC Pull Up Voltage
VRD 10.x
K8
2.5 3.5 4.5 kΩ
--
1.2
--
V
--
2.1
--
V
VOSS Pin Voltage
Error Amplifier
VVOSS RVOSS = 100kΩ
0.9 1.0 1.1
V
DC Gain
--
60
--
dB
Gain-Bandwidth Product
GBW
--
10
-- MHz
Slew Rate
Current Sense GM Amplifier
SR
COMP = 10pF
--
6
-- V/μs
CSN Full Scale Source Current
CSN Current for OCP
Protection
IISPFSS
100 --
--
μA
150 --
--
μA
Over-Voltage Trip (VFB − VDAC)
IMAX Voltage
Power Good
ΔOVT
VIMAX
RADJ = 0Ω
RIMAX = 20kΩ
320 400 450 mV
0.9 1.0 1.1
V
Output Low Voltage
VPGOODL IPGOOD = 4mA
--
--
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 low effective single layer thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
www.richtek.com
10
DS9245C-02 March 2007
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