MAX8720ETX+ Maxim Integrated Products, MAX8720ETX+ Datasheet - Page 7

• 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

(MAX8720 Circuit of Figure 1, V
100
90
80
70
60
50
0.01
EFFICIENCY vs. LOAD CURRENT
0.1
360
350
340
330
320
310
300
290
280
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
LOAD CURRENT (A)
0
(V
V
OUT
5
5
IN
_______________________________________________________________________________________
SKIP = V
= 7V
vs. INPUT VOLTAGE (SKIP MODE)
= 1.25V)
1
NO-LOAD SUPPLY CURRENT
SKIP = GND
SKIP = V
SWITCHING FREQUENCY
V
V
CC
10
IN
10
IN
vs. INPUT VOLTAGE
= 12V
= 20V
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
10
IN
CC
= 12V, V
15
15
I
OUT
100
I
= 3A
CC
Dynamically Adjustable 6-Bit VID
I
OUT
DD
I
IN
+ I
20
20
DD
= 18A
= V
1.255
1.250
1.245
CC
25
0
25
OUTPUT VOLTAGE vs. LOAD CURRENT
= 5V, TON = open, T
PWM MODE
SKIP MODE
5
LOAD CURRENT (A)
(V
OUT
= 1.25V)
10
Typical Operating Characteristics
2.010
2.006
2.002
1.998
1.994
1.990
Step-Down Controller
A
30
25
20
15
10
5
0
= +25°C, unless otherwise noted.)
15
-20
5
vs. INPUT VOLTAGE (PWM MODE)
REFERENCE LOAD REGULATION
NO-LOAD SUPPLY CURRENT
0
20
10
20
INPUT VOLTAGE (V)
I
REF
400
300
200
100
40
(µA)
15
0
0
I
CC
PWM MODE
60
I
IN
+ I
DD
20
SWITCHING FREQUENCY
80
5
SKIP MODE
vs. LOAD CURRENT
LOAD CURRENT (A)
100
25
10
15
20
7