MAX1544ETL+ Maxim Integrated Products, MAX1544ETL+ Datasheet - Page 13

• Manufacturer Part Number: MAX1544ETL+
• Description: IC QUICK-PWM DUAL-PHASE 40-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Quick-PWM™r

Specifications of MAX1544ETL+

• Applications: Controller, AMD Hammer
• Voltage - Input: 2 ~ 28 V
• Number Of Outputs: 1
• Voltage - Output: 0.68 ~ 1.55 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Output Voltage: 0.675 V to 1.55 V
• Output Current: 40 A
• Input Voltage: 4 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1, V
(SUS = V
CC
), OFS = GND, T
3.3V
1.5V
1.4V
1.5V
5A
5A
5V
0
0
0
A. D1, 5V/div
B. V
C. I
D. I
10A LOAD
A. SKIP = V
B. 1.5V OUTPUT, 50mV/div
C. I
D. I
2A LOAD
SINGLE-PHASE SKIP TO DUAL-PHASE
______________________________________________________________________________________
L1
L2
L1
L2
AMD Hammer CPU Core Power Supplies
OUT
100mV DAC CODE TRANSITION
, 10A/div
, 10A/div
, 10A/div
, 10A/div
IN
= 1.50V TO 1.40V, 100mV/div
= 12V, V
CC
Dual-Phase, Quick-PWM Controller for
PWM TRANSITION
A
TO GND, 5V/div
= +25°C, unless otherwise specified.)
20µs/div
20µs/div
CC
= V
DD
MAX1544 toc28
MAX1544 toc26
= 5V, SHDN = SKIP = V
Typical Operating Characteristics (continued)
A
B
A
C
D
B
C
D
CC
, D0–D4 set for 1.5V (SUS = GND), S0–S1 set for 1V
3.3V
1.5V
1.1V
1.5V
5A
5A
5V
2V
0
0
0
A. D3, 5V/div
B. V
C. I
D. I
10A LOAD
A. SKIP = V
B. 1.5V OUTPUT, 50mV/div
C. I
D. I
2A LOAD
DUAL-PHASE SKIP TO DUAL-PHASE
L1
L2
L1
L2
OUT
400mV DAC CODE TRANSITION
, 10A/div
, 10A/div
, 10A/div
, 10A/div
= 1.50V TO 1.10V, 0.5V/div
CC
PWM TRANSITION
TO REF, 5V/div
40µs/div
20µs/div
MAX1544 toc29
MAX1544 toc27
A
A
B
C
D
B
C
D
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