MAX1981A Maxim Integrated Products, MAX1981A Datasheet - Page 13

• Manufacturer Part Number: MAX1981A
• Description: (MAX1907A / MAX1981A) Quick-PWM Master Controllers
• Manufacturer: Maxim Integrated Products

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(Circuit of Figure 1, V+ = 12V, V
Positioned CPU Core Power Supplies (IMVP-IV)
Quick-PWM Master Controllers for Voltage-
______________________________________________________________________________________
1.436V
30A
0
0
0
CC
(HIGHEST FREQUENCY)
= V
A. I
B. V
C. I
D. I
LOAD TRANSIENT
OUT
LM
LS
OUT
DD
, 10A/div
, 10A/div
= 0 to 30A, 20A/div
= 1.436V (NO LOAD), 100mV/div
20μs/div
= 5V, B0–B2 set to 1.276V, S0–S2 set to 0.748V.)
1.436V
1.308V
Typical Operating Characteristics (continued)
0
0
0
MAX1907A/81A toc31
DYNAMIC VID TRANSITION
A. V
B. V
C. I
D. I
A
B
C
D
LM
LS
(D3 = 128mV)
D3
OUT
, 10A/div
, 10A/div
= 0 to 1V, 1V/div
= 1.436V to 1.308V, 100mV/div
40μs/div
1.436V
0
0
0
MAX1907A/81A toc33
DYNAMIC VID TRANSITION
A. V
B. V
C. I
D. I
LM
LS
DO
OUT
(DO = 16mV)
, 10A/div
, 10A/div
= 0 to 1V, 1V/div
= 1.436V to 1.420V,, 20mV/div
C
D
20μs/div
A
B
MAX1907A/81A toc32
C
D
A
B
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