MAX1544ETL+T Maxim Integrated Products, MAX1544ETL+T Datasheet - Page 12

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

Specifications of MAX1544ETL+T

• 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

Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
12
(Circuit of Figure 1, V
(SUS = V
______________________________________________________________________________________
CC
), OFS = GND, T
1.0V
2.5A
2.5A
3.3V
1.5V
1.0V
10A
10A
30A
10A
0
0
0
A. LOAD CURRENT, (I
B. OUTPUT VOLTAGE (1.00V NO LOAD), 50mV/div
C. I
D. I
A. SUS, 5V/div
B. V
C. I
D. I
5A LOAD, SKIP = V
L1
L2
L1
L2
(DUAL-PHASE PWM OPERATION)
OUT
IN
, 10A/div
, 10A/div
, 10A/div
, 10A/div
= 1.5V TO 1.0V, 0.5V/div
1.00V LOAD TRANSIENT
= 12V, V
SUSPEND TRANSITION
(10A TO 30A LOAD)
A
= +25°C, unless otherwise specified.)
CC
20µs/div
40µs/div
LOAD
, R
CC
TIME
= 10A TO 30A), 25A/div
= 64.9kΩ
= V
DD
MAX1544 toc22
MAX1544 toc24
= 5V, SHDN = SKIP = V
Typical Operating Characteristics (continued)
A
B
C
D
A
B
C
D
CC
, D0–D4 set for 1.5V (SUS = GND), S0–S1 set for 1V
0.2V
1.5V
3.3V
1.5V
1.0V
10A
10A
5A
5A
0
0
0
0
A. V
B. V
C. I
D. I
10A LOAD
A. SUS, 5V/div
B. V
C. I
D. I
5A LOAD, C
(SINGLE-PHASE SKIP OPERATION)
L1
L2
L1
L2
OFS
OUT
OUT
, 10A/div
, 10A/div
, 10A/div
, 10A/div
= 0 TO 200mV, 0.2V/div
= 1.500V TO 1.475, 20mV/div
= 1.5V TO 1.0V, 0.5V/div
SUSPEND TRANSITION
OFFSET TRANSITION
OUT
= (4) 680µF, SKIP = SUS, R
100µs/div
20µs/div
MAX1544 toc23
MAX1544 toc25
TIME
= 64.9kΩ
A
B
A
B
C
D
C
D