MAX1544ETL+T Maxim Integrated Products, MAX1544ETL+T Datasheet - Page 11

• 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

(Circuit of Figure 1, V
(SUS = V
CC
), OFS = GND, T
1.5V
10A
10A
5V
5V
5V
2V
1V
0
0
0
0
0
0
A. SHDN, 5V/div
B. 1.5V OUTPUT, 1V/div
C. I
D. I
R
A. SHDN, 5V/div
B. 1.5V OUTPUT, 1V/div
C. VROK, 5V/div
R
LOAD
TIME
______________________________________________________________________________________
L1
L2
AMD Hammer CPU Core Power Supplies
, 10A/div
, 10A/div
IN
= 64.9kΩ
= 75mΩ, R
= 12V, V
POWER-UP SEQUENCE
Dual-Phase, Quick-PWM Controller for
A
SOFT-SHUTDOWN
= +25°C, unless otherwise specified.)
TIME
200µs/div
1ms/div
= 64.9kΩ
CC
= V
DD
MAX1544 toc20
MAX1544 toc18
= 5V, SHDN = SKIP = V
Typical Operating Characteristics (continued)
A
C
D
A
B
B
C
CC
, D0–D4 set for 1.5V (SUS = GND), S0–S1 set for 1V
1.5V
1.5V
10A
50A
20A
20A
10A
5V
0
0
0
0
0
0
A. SHDN, 5V/div
B. 1.5V OUTPUT, 1V/div
C. I
D. I
R
A. LOAD CURRENT, (I
B. OUTPUT VOLTAGE (1.50V NO LOAD), 100mV/div
C. I
D. I
LOAD
L1
L2
L1
L2
, 10A/div
, 10A/div
, 10A/div
, 10A/div
= 75mΩ, R
1.50V LOAD TRANSIENT
(10A TO 50A LOAD)
SOFT-START
TIME
100µs/div
20µs/div
LOAD
= 64.9kΩ
= 10A TO 50A), 50A/div
MAX1544 toc19
MAX1544 toc21
A
A
B
C
D
B
C
D
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