MAX1544ETL+ Maxim Integrated Products, MAX1544ETL+ Datasheet - Page 9

• 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
100
100
1.52
1.50
1.48
1.46
1.44
1.42
1.40
1.38
90
80
70
60
50
90
80
70
60
50
SINGLE-PHASE EFFICIENCY vs. LOAD CURRENT
0.1
0.1
0
OUTPUT VOLTAGE vs. LOAD CURRENT
SKIP = GND
CC
EFFICIENCY vs. LOAD CURRENT
), OFS = GND, T
10
V
IN
LOAD CURRENT (A)
= 20V
LOAD CURRENT (A)
(V
20
LOAD CURRENT (A)
(V
(V
1
1
OUT
OUT
OUT
V
_______________________________________________________________________________________
IN
AMD Hammer CPU Core Power Supplies
= 8V
= 1.50V)
IN
30
= 1.00V)
= 0.80V)
V
IN
V
V
IN
= 12V, V
= 12V
IN
V
SKIP = REF
SKIP = V
= 8V
IN
Dual-Phase, Quick-PWM Controller for
= 20V
A
40
10
10
= 12V
= +25°C, unless otherwise specified.)
CC
50
CC
= V
100
100
60
DD
= 5V, SHDN = SKIP = V
100
0.82
0.80
0.78
0.76
0.74
0.72
400
300
200
100
90
80
70
60
50
0
0.1
0
0
OUTPUT VOLTAGE vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
SKIP MODE (SKIP = REF)
SWITCHING FREQUENCY
10
10
vs. LOAD CURRENT
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
(V
(V
1
OUT
OUT
FORCED-PWM (SKIP = V
V
20
= 0.80V)
= 1.50V)
IN
20
= 8V
V
V
OUT
IN
Typical Operating Characteristics
V
= 12V
IN
SKIP = REF
SKIP = V
CC
= 1V (NO LOAD)
= 20V
10
, D0–D4 set for 1.5V (SUS = GND), S0–S1 set for 1V
30
30
SUS = V
CC
CC
CC
)
100
40
40
100
1.02
1.00
0.98
0.96
0.94
0.92
0.90
90
80
70
60
50
150
120
90
60
30
DUAL-PHASE EFFICIENCY vs. LOAD CURRENT
0
vs. INPUT VOLTAGE (FORCED-PWM MODE)
0.1
0
0
OUTPUT VOLTAGE vs. LOAD CURRENT
SKIP = REF
SKIP = V
10
NO-LOAD SUPPLY CURRENT
5
V
IN
CC
= 20V
LOAD CURRENT (A)
LOAD CURRENT (A)
INPUT VOLTAGE (V)
(V
20
(V
10
1
OUT
OUT
= 1.00V)
15
30
= 0.80V)
V
IN
V
IN
= 8V
I
CC
= 12V
40
10
+ I
20
DD
I
IN
50
25
100
60
30
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