MAX8720ETX+ Maxim Integrated Products, MAX8720ETX+ Datasheet - Page 8

• Manufacturer Part Number: MAX8720ETX+
• Description: IC CNTRL VID STP DWN 36-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8720ETX+

• Applications: Controller, CPU GPU
• Voltage - Input: 2 ~ 28 V
• Number Of Outputs: 1
• Voltage - Output: 0.28 ~ 1.85 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Output Voltage: 0.275 V to 1.85 V
• Input Voltage: 2 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dynamically Adjustable 6-Bit VID
Step-Down Controller
(MAX8720 Circuit of Figure 1, V
8
_______________________________________________________________________________________
1.25V
1.25V
1.25V
12V
10A
-5A
5V
5A
4V
5V
0
0
0
0
0
0
0
0
0
0
I
A = V
B = V
I
A = V
B = PGOOD, 5V/div
SKIP = V
A = V
B = LX, 10V/div
OUT
OUT
STARTUP WAVEFORMS (NO LOAD)
= NO LOAD
= 1A
OUT
OUT
CC
OUT
, 2V/div
, 500mV/div
, 500mV/div
CC
, 50mV/div
V
, I
CC
OUT
LOAD TRANSIENT
UVLO WAVEFORM
(PWM MODE)
= 1A TO 11A TO 1A
IN
500µs/div
2ms/div
20µs/div
C = SHDN, 5V/div
D = INDUCTOR CURRENT, 5A/div
= 12V, V
C = CONTROL, 5V/div
D = INDUCTOR CURRENT, 10A/div
C = DL, 5V/div
D = PGOOD, 5V/div
DD
MAX8720 toc08
MAX8720 toc10
MAX8720 toc12
= V
Typical Operating Characteristics (continued)
CC
= 5V, TON = open, T
C
D
C
D
A
B
C
D
A
B
A
B
A
1.25V
1.25V
10A
1.25V
10A
12V
1.65V
= +25°C, unless otherwise noted.)
-10A
5V
10A
12V
0
0
0
0
0
0
0
0
0
0
DYNAMIC OUTPUT VOLTAGE TRANSITION
I
A = V
B = PGOOD, 5V/div
SKIP = GND, I
A = V
B = LX, 10V/div
SKIP = GND, I
A = V
B = LX, 10V/div
STARTUP WAVEFORMS (HEAVY LOAD)
OUT
= 10A
OUT
OUT
OUT
, 500mV/div
, 50mV/div
, 200mV/div
OUT
LOAD TRANSIENT
OUT
(SKIP MODE)
(SKIP MODE)
= 1A TO 11A TO 1A
= 0.2A
500µs/div
20µs/div
50µs/div
C = CONTROL, 5V/div
D = INDUCTOR CURRENT, 10A/div
C = SHDN, 5V/div
D = INDUCTOR CURRENT, 10A/div
C = D4, 5V/div
D = INDUCTOR CURRENT, 10A/div
MAX8720 toc09
MAX8720 toc11
MAX8720 toc13
C
D
C
D
A
B
C
D
A
B
A
B