MAX8760ETL+T Maxim Integrated Products, MAX8760ETL+T Datasheet - Page 11

• Manufacturer Part Number: MAX8760ETL+T
• Description: IC CNTRLR QUICK PWM 40-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8760ETL+T

• Applications: Controller, 6-bit VID AMD Mobile Turion™
• Voltage - Input: 4 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.38 ~ 1.55 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Output Voltage: 0.375 V to 1.55 V
• Output Current: 4000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 550 KHz
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1, V
(SUS = V
1.46V
3.3V
0
0
0
0
0
A. SHDN, 5V/div
B. VROK, 5V/div
C. 1.5V OUTPUT, 1V/div
R
LOAD
CC
= 75mΩ
), OFS = GND, T
POWER-UP SEQUENCE
Dual-Phase, Quick-PWM Controller for AMD
Mobile Turion 64 CPU Core Power Supplies
1.48A
1.44V
15A
15A
5A
5A
______________________________________________________________________________________
2ms/div
IN
A. I
B. I
C. OUTPUT VOLTAGE, 20mV/div
= 12V, V
L1
L2
, 10A/div
, 10A/div
D. I
E. I
A
L2
L1
1.30V LOAD TRANSIENT
, 10A/div
, 10A/div
= +25°C, unless otherwise specified.)
(10A TO 30A LOAD)
MAX8760 toc17
CC
20µs/div
= V
A
B
C
D
E
DD
= 5V, SHDN = SKIP = V
3.3V
0
0
0
Typical Operating Characteristics (continued)
0
MAX8760 toc20
A. SHDN, 5V/div
B. 1.5V OUTPUT, 500mV/div
C. I
D. I
R
LOAD
L1
L2
, 10A/div
, 10A/div
= 75mΩ
A
B
C
SOFT-START
200µs/div
CC
, D0–D5 set for 1.5V (SUS = GND), S0 and S1 set for 1V
0.2V
1.5V
MAX8760 toc18
5A
5A
0
A. V
B. V
C. I
D. I
10A LOAD
L1
L2
OFS
OUT
, 10A/div
, 10A/div
A
B
C
D
= 0 TO 200mV, 0.2V/div
= 1.500V TO 1.475V, 20mV/div
OFFSET TRANSITION
1.46V
3.3V
10A
10A
20µs/div
A. SHDN, 5V/div
B. 1.5V OUTPUT, 500mV/div
C. I
D. I
R
LOAD
L1
L2
SOFT-SHUTDOWN WAVEFORMS
, 10A/div
, 10A/div
= 75mΩ
MAX8760 toc21
200µs/div
A
B
C
D
MAX8760 toc19
11
A
B
C
D