MAX1711 Maxim, MAX1711 Datasheet - Page 7

• Manufacturer Part Number: MAX1711
• Description: High-Speed / Digitally Adjusted Step-Down Controllers for Notebook CPUs
• Manufacturer: Maxim

(7A CPU supply circuit of Figure 1, T
_____________________________Typical Operating Characteristics (continued)
A
B
C
A
B
V
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
V
A = V
B = INDUCTOR CURRENT, 5A/div
IN
IN
= 4.5V, V
= 15V, V
OUT
OUT
LOAD-TRANSIENT RESPONSE
LOAD-TRANSIENT RESPONSE
, AC COUPLED, 50mV/div
, AC COUPLED, 50mV/div
Step-Down Controllers for Notebook CPUs
(WITH INTEGRATOR)
O
O
(WITH INTEGRATOR)
= 1.6V, I
= 2V, I
_______________________________________________________________________________________
O
20 s/div
10 s/div
O
= 30mA TO 7A
= 0A TO 7A
A
= +25°C, unless otherwise noted.)
High-Speed, Digitally Adjusted
A
B
C
A
B
V
A = V
B = INDUCTOR CURRENT, 5A/div
V
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
IN
IN
= 15V, V
= 4.5V, V
OUT
OUT
LOAD-TRANSIENT RESPONSE
LOAD-TRANSIENT RESPONSE
, AC COUPLED, 50mV/div
, AC COUPLED, 50mV/div
O
(WITH INTEGRATOR)
(WITH INTEGRATOR)
O
= 1.6V, I
= 1.3V, I
10 s/div
20 s/div
O
O
= 30mA, TO 7A
= 30mA TO 7A
A
B
A
B
C
V
A = V
B = INDUCTOR CURRENT, 5A/div
A = SHDN
B = V
C = INDUCTOR CURRENT, 5A/div
IN
= 15V, V
OUT
OUT
LOAD-TRANSIENT RESPONSE
, AC COUPLED, 50mV/div
, 0.5V/div
(WITHOUT INTEGRATOR)
START-UP WAVEFORM
O
= 1.6V, I
500 s/div
10 s/div
O
= 30mA TO 7A
7