RT9248 데이터 시트보기 (PDF) - Richtek Technology
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RT9248 Datasheet PDF : 14 Pages
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Preliminary
RT9248
Parameter
DAC (VID0-VID4) Input Low
DAC (VID0-VID4) Input High
DAC (VID0-VID4 ) Input Low
DAC (VID0-VID4) Input High
VID125 Input for VRM9
VID125 Input for VRD10
DAC (VID0-VID125) Bias Current
VOSS Pin Voltage
Error Amplifier
DC Gain
Gain-Bandwidth Product
Slew Rate
Differential Sense Amplifier
Input Impedance
Gain-Bandwidth Product
Symbol
VILDAC_10
VIHDAC_10
VILDAC_9
VIHDAC_9
VVID125_9
VVID125_10
IBIAS_DAC
VVOSS
Test Conditions
VRD10
VRD10
VRM9
VRM9
RVOSS = 100kΩ
GBW
SR
ZIMP
GBW
COMP = 10pF
Min Typ Max Units
--
-- 0.4 V
0.8 --
--
V
--
-- 0.8 V
2.2 --
--
V
--
-- 0.4 V
0.8 --
--
V
60 120 180 μA
0.95 1.0 1.05 V
--
85
--
dB
--
10
-- MHz
--
3
-- V/μs
--
16
--
kΩ
--
10
-- MHz
Slew Rate
Current Sense GM Amplifier
ISP 1,2,3 Full Scale Source Current
ISP 1,2,3 Current for OCP
Protection
IMAX Voltage
SS Current
Over-Voltage Trip (VSEN/DACOUT)
Power Good
Lower Threshold (VSEN/DACOUT)
Output Low Voltage
SR
IISPFSS
IISPOCP
VIMAX
ISS
ΔOVT
VPG−
VPGL
RIMAX = 10k
VSS = 1V
VSEN Rising
IPG = 4mA
--
3
-- V/μs
60
--
90
--
--
μA
--
μA
0.55 0.60 0.65 V
--
13
--
μA
-- 140 --
%
--
92
--
%
--
-- 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.
DS9248-05 March 2007
www.richtek.com
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