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RT9243PS Datasheet(PDF) 8 Page - Richtek Technology Corporation

Part # RT9243PS
Description  Multi-Phase PWM Controller for CPU Core Power Supply
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9243PS Datasheet(HTML) 8 Page - Richtek Technology Corporation

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RT9243
8
DS9243-07 March 2007
www.richtek.com
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
DAC (VID0-VID125) Bias Current
IBIAS_DAC
60
120
180
μA
VOSS Pin Voltage
VVOSS
RVOSS = 100kΩ
0.95
1.0
1.05
V
Error Amplifier
DC Gain
--
85
--
dB
Gain-Bandwidth Product
GBW
--
10
--
MHz
Slew Rate
SR
COMP = 10pF
--
3
--
V/
μs
Differential Sense Amplifier
Input Impedance
ZIMP
--
16
--
k
Ω
Gain-Bandwidth Product
GBW
--
10
--
MHz
Slew Rate
SR
--
3
--
V/
μs
Current Sense GM Amplifier
ISP 1,2,3,4 Full Scale Source Current
IISPFSS
60
--
--
μA
ISP 1,2,3,4 Current for OCP
IISPOCP
--
100
--
μA
Protection
SS Current
ISS
VSS = 1V
8
13
18
μA
Over-Voltage Trip (VSEN/DACOUT)
ΔOVT
130
140
150
%
OVP Voltage
VOVP
IOVP = 4mA
--
--
0.2
V
Power Good
Lower Threshold (VSEN/DACOUT)
VPGOOD−
VSEN Rising
--
92
--
%
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.


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