Datasheet Texas Instruments TPS40120PW — 数据表

TPS40120
www.ti.com SLUS616B – JULY 2004 – REVISED AUGUST 2004 VRM10.0 COMPLIANT PROGRAMMABLE FEEDBACK DIVIDER
FEATURES DESCRIPTION VRM 10.x VID Code Table
14-Pin TSSOP The TPS40120 is a 6-bit digitally programmed
feedback divider designed to work with TPS40090
multiphase controller or other controllers having 0.7-V
internal reference to support VRM 10.x compliant
power supplies. The TPS40120 is designed to support discrete DC/DC converters for IntelВ® processors
using 5-bit (PentiumВ® 4 or Xeonв„ў) or 6-bit VID codes
with 12.5 mV steps. APPLICATIONS Voltage Regulator Modules VRM/EVRD 10.x
Multiphase Processor Power Supplies TYPICAL APPLICATION TPS40090 BP5
22
GNDS
14 VOUT VCC
12 TPS40120
1 11
R3 2 FB VID0 C1 9 COMP
9
FB 3 7 VID2
BIAS VID3 10 NCPU2 13
6 + DROOP REF RDROOP
5 Error Amplifier 10 VID1
RZCO 4 + DIFFO VOUT 8 VID5 Differential …