FAN5098 Datasheet, PDF (6/17 Pages) Fairchild Semiconductor – Two Phase Interleaved Synchronous Buck Converter for AMD Hammer™

FAN5098
PRODUCT SPECIFICATION
Typical Operating Characteristics
(VCC = 12V, VIN = 12V, VOUT = 1.450V and TA = +25°C using circuit in Figure 2, unless otherwise noted.)
EFFICIENCY VS. OUTPUT CURRENT
90
85 ^{E* Mode}
2 Phase Mode
80
75
70
65
60
0 10 20 30 40 50 60
LOAD CURRENT (A)
HIGH-SIDE GATE DRIVES, NORMAL OPERATION
CH1: HDRVB
CH2: HDRVA
10A Load
TRANSIENT RESPONSE, 20A to 0.25A
ADAPTIVE GATE DELAY
CH1: HDRVB
CH2: LDRVB
40A Load
HIGH-SIDE GATE DRIVES, E*-MODE
CH1: HDRVB
CH2: HDRVA
10A Load
HIGH-SIDE GATE DRIVES, RISE / FALL TIME
CH1: HDRVB
40A Load
LOW-SIDE GATE DRIVES, RISE / FALL TIME
CH1: LDRVB
40A Load
6
REV. 1.0.7 2/18/03