ISL62882_14 Datasheet, PDF (25/42 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

Q1
Vin
GATE ^Q2
DRIVER
ISL62882, ISL62882B
L
Vo
Cout
io
Q1
VIN
GATE Q2
DRIVER
L
VO
COUT
IO
LOAD LINE SLOPE
20_Ω
MOD.
EA
COMP
VID
LOOP GAIN = ^{CHANNEL B}
CHANNEL A
ISOLATION
TRANSFORMER
CHANNEL A
CHANNEL B
NETWORK
ANALYZER _{EXCITATION OUTPUT}
FIGURE 25. LOOP GAIN T1(s) MEASUREMENT SET-UP
LOAD LINE SLOPE
Ω
20
MOD.
EA
COMP
VID
LOOP GAIN = ^{CHANNEL B}
CHANNEL A
ISOLATION
TRANSFORMER
CHANNEL A
CHANNEL B
NETWORK
ANALYZER EXCITATION OUTPUT
FIGURE 26. LOOP GAIN T2(s) MEASUREMENT SET-UP
25
FN6890.4
June 21, 2011