RT9241A RICHTEK [Richtek Technology Corporation], RT9241A Datasheet - Page 7

• Manufacturer Part Number: RT9241A
• Description: Two-Phase DC/DC Controller for CPU Core Power Supply
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Absolute Maximum Ratings
Electrical Characteristics
(V
DS9241AB-05 March 2007
Oscillator
PWM Controller Error Amplifier
Nominal Supply Current
V
V
Hysteresis
V
Frequency
Ramp Amplitude
Ramp Valley
Maximum On Time of Each Channel
DACOUT Voltage Accuracy
DAC (VID0-VID4) Input Low Voltage
DAC (VID0-VID4) Input High Voltage
DAC (VID0-VID4) Bias Current
DC Gain
Bandwidth
Slew Rate
V
Power-On Reset
Reference and DAC
Supply Voltage ---------------------------------------------------------------------------------------------------- 7V
Input, Output or I/O Voltage ------------------------------------------------------------------------------------ GND-0.3V to V
Power Dissipation, P
SOP-20 ------------------------------------------------------------------------------------------------------------- 0.625W
Package Thermal Resistance
SOP-20, θ
Ambient Temperature Range ----------------------------------------------------------------------------------- 0°C to 70°C
Junction Temperature Range ----------------------------------------------------------------------------------- 0°C to 125°C
Storage Temperature Range -----------------------------------------------------------------------------------
Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------- 260°C
DD
DD
DD
DVD
DD
= 5V, GND = 0V, T
Supply Current
Rising Threshold
Falling Threshold
Rising Trip Threshold
JA -----------------------------------------------------------------------------------------------------------------------------------------------------
Parameter
A
D
= 25°C, unless otherwise specified)
@ T
A
= 25°C
RT9241A
RT9241B
Symbol
I
DD
PWM 1,2 Open
For each phase
C
L
Test Conditions
= 10pF
1.19
Min
-1.0
170
4.2
0.2
1.0
2.0
85
70
20
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RT9241A/B
4.35
3.85
1.25
Typ
200
100
110°C /W
−
0.6
1.7
1.3
75
28
85
10
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4
5
40°C to 150°C
To be continued
www.richtek.com
+1.0
Max
1.31
230
115
4.6
0.8
10
80
36
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DD
Units
MHz
V/μs
kHz
mA
+0.3V
μA
dB
%
%
V
V
V
V
V
V
V
V
7