MAX8550AETI+ Maxim Integrated Products, MAX8550AETI+ Datasheet - Page 7

• Manufacturer Part Number: MAX8550AETI+
• Description: IC PWR SUP DDR INTEG 28TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8550AETI+

• Applications: Controller, DDR
• Voltage - Input: 2 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 1.8V, 2.5V, 0.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Output Voltage: 0.7 V to 5.5 V, 1.8 V, 2.5 V
• Output Current: 1.5 A
• Input Voltage: 2 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

0.1A
12A
0V
0V
0V
0V
(V
V
DD
VIN
I
VTT
= 5V, I
= 1.5A, I
= 12V, V
POWER-UP WAVEFORMS
LOAD TRANSIENT (BUCK)
LOAD
500mV/div
500mV/div
500mV/div
VTTR
= 12A, I
10V/div
200μs/div
20μs/div
= 15mA
OUT
Integrated DDR Power-Supply Solution for
VTT
Desktops, Notebooks, and Graphic Cards
= 2.5V, TON = GND, SKIP = AV
= 1.5A, I
LIGHT LOAD, DISCHARGE ENABLED
_______________________________________________________________________________________
STARTUP AND SHUTDOWN INTO
VTTR
MAX8550A toc13
MAX8550A toc10
= 15mA
2ms/div
OUT
1V/div
VTTR
1V/div
V
10V/div
V
100mV/div
VTTR
100mV/div
I
10A/div
VTT
2V/div
VTT
100mV/div
LOAD
IN
OUT
0V
0V
0V
0V
MAX8550A toc16
0A
LOAD TRANSIENT VTT (-1.5A TO +1.5A)
V
1.8V
0.9V
0.9V
DD
I
LOAD
Typical Operating Characteristics (continued)
= 5V, I
DD
POWER-DOWN WAVEFORMS
= 12A, I
SHDN
V
VTT
VTTR
OUT
, circuit of Figure 8, T
LOAD
VTTR
= 12A, I
200μs/div
40μs/div
= 15mA
VTT
= 1.5A, I
500mV/div
500mV/div
500mV/div
VTTR
MAX8550A toc14
MAX8550A toc11
5V/div
= 15mA
A
= +25°C, unless otherwise noted.)
OUT
1V/div
VTTR
1V/div
V
10V/div
VTT
2V/div
V
50mV/div
VTTR
50mV/div
I
2A/div
VTT
50mV/div
VTT
IN
VTT LOADED AT 10Ω TO GND
OUT
STANDBY RESPONSE
0A
0V
0V
0V
0V
2ms/div
I
LOAD
HEAVY LOAD, DISCHARGE DISABLED
I
I
LOAD TRANSIENT VTT (-3A TO +3A)
LOAD
VTT
STARTUP AND SHUTDOWN INTO
= 1.5A
= 12A, I
= 12A,
VTTR
MAX8550A toc17a
= 15mA
40μs/div
1ms/div
1.8V
0.9V
0.9V
STBY
V
VTT
VTTR
OUT
MAX8550A toc12
MAX8550A toc15
V
50mV/div
VTTR
50mV/div
I
5A/div
VTT
50mV/div
V
2V/div
VTT
1V/div
POK1
5V/div
SHDN
5V/div
VTT
OUT
OUT
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