MAX1981A Maxim Integrated Products, MAX1981A Datasheet - Page 20
MAX1981A
Manufacturer Part Number
MAX1981A
Description
(MAX1907A / MAX1981A) Quick-PWM Master Controllers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1981A.pdf
(43 pages)
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Quick-PWM Master Controllers for Voltage-
Positioned CPU Core Power Supplies (IMVP-IV)
Figure 2. MAX1907A/MAX1981A Functional Diagram
20
______________________________________________________________________________________
IMVPOK
CLKEN
TON
CSP
CSN
ILIM
CC
V+
0.9 x REF
POWER-GOOD
LOGIC
G
m
COMPUTE
ON-TIME
SKIP-MODE
LOGIC
1.1 x REF
Q
REF
ON-TIME
ONE-SHOT
TRIG
DIVIDER
Q
ONE-SHOT
S
R
PROTECTION
R-2R
MINIMUM
OFF-TIME
FAULT
Q
TRIG
MAX1907A
MAX1981A
Q
R
S
AND SLEW-RATE CONTROL
INTERNAL MULTIPLEXERS
(2V)
REF
G
m
SHDN
V
REF
GND
BST
DH
LX
DL
PGND
POS
NEG
FB
OAIN+
OAIN-
TIME
V
CC
DD
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