MAX1519 Datasheet, PDF (26/43 Pages) Maxim Integrated Products – Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

Dual-Phase, Quick-PWM Controllers for
Programmable CPU Core Power Supplies
CSN
CSP
ILIM
CMP
CMN
V_CC
REF
SHDN
GND
19R
R
REF
(2.0V)
Q
T
Q
CCV
1.0V
Gm
REF
T T=1
BSTS
DHS
SECONDARY PHASE
DRIVERS
LXS
DLS
MINIMUM
OFF-TIME
Q ^TRIG
ONE-SHOT
Q TRIG
ON-TIME
ONE-SHOT
ON-TIME
ONE-SHOT
Q TRIG
R
Q
S
CMP
CMN
1.5mV
SKIP
FB
MAIN PHASE
DRIVERS
S
Q
R
FAULT
CMP
Gm
CMN
CCI
CSN
Gm
CSP
V+
TON
BSTM
DHM
LXM
V_DD
DLM
PGND
Gm
OFS
FB
OAIN+
OAIN-
GNDS
T=0
Gm
MAX1519
MAX1545
INTERNAL MULTIPLEXERS, MODE
TIME
R-2R
CONTROL, AND SLEW-RATE CONTROL
DAC
S[0:1] D[0:4] SUS SKIP CODE
Figure 5. Dual-Phase Quick-PWM Functional Diagram
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