rt9245c Richtek Technology Corporation, rt9245c Datasheet - Page 10

• Manufacturer Part Number: rt9245c
• Description: Multi-phase Controller Core Power Supply
• Manufacturer: Richtek Technology Corporation

RT9245C
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are
Note 2. Devices are ESD sensitive. Handling precaution recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4. θ
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10
DAC (VID0-VID125) Input Low
DAC (VID0-VID125) Input High
DAC (VID0-VID125) pull up resistor
DAC Pull Up Voltage
VOSS Pin Voltage
Error Amplifier
DC Gain
Gain-Bandwidth Product
Slew Rate
CSN Full Scale Source Current
CSN Current for OCP
Over-Voltage Trip (V
IMAX Voltage
Output Low Voltage
Protection
Current Sense GM Amplifier
Power Good
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.
JEDEC 51-3 thermal measurement standard.
JA
is measured in the natural convection at T
Parameter
FB
− V
DAC
)
V
V
V
GBW
SR
I
Δ
V
V
ISPFSS
Symbol
ILDAC
IHDAC
OVT
VOSS
IMAX
PGOODL
A
= 25°C on a low effective single layer thermal conductivity test board of
VRD 10.x
K8
VRD 10.x
K8
VRD 10.x
K8
R
COMP = 10pF
R
R
I
PGOOD
VOSS
ADJ
IMAX
Test Conditions
= 0Ω
= 20kΩ
= 100kΩ
= 4mA
Min
100
150
320
0.8
1.2
2.5
0.9
0.9
--
--
--
--
--
--
--
--
DS9245C-02 March 2007
Typ
400
3.5
1.2
2.1
1.0
1.0
60
10
--
--
--
--
--
--
--
6
Max
450
0.4
0.8
4.5
1.1
1.1
0.2
--
--
--
--
--
--
--
--
--
Units
MHz
V/μs
mV
kΩ
μA
μA
dB
V
V
V
V
V
V
V
V
V