Description
RT9241A/B Two-Phase DC/DC Controller for CPU Core Power Supply General .
The RT9241A/B is a two-phase buck DC/DC controller integrated with all control functions for high performance processor VRM.
Features
* z Two-Phase Power Conversion z VRM 9.0 DAC Output with Active Droop
Compensation for Fast Load Transient z Precise Channel Current Sharing with Differential
Sense Input z Hiccup Mode Over Current Protection z Programmable Under Voltage Lockout and Soft
Start z High Ripple Frequency, (Channel Frequen
Applications
* z Power Supply for Server and Workstation z Power Supply for High Current Microprocessor
Pin Configurations
(TOP VIEW)
VID4 VID3 VID2 VID1 VID0 COMP
FB ADJ DVD
SS
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
SOP-20
VDD PGOOD ISP1 PWM1 PWM2 ISP2 VSEN GND ISN1 ISN2
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