MAX8632ETI+ Maxim Integrated Products, MAX8632ETI+ Datasheet - Page 7

IC PWR SUPPLY DDR 28-TQFN

MAX8632ETI+

Manufacturer Part Number
MAX8632ETI+
Description
IC PWR SUPPLY DDR 28-TQFN
Manufacturer
Maxim Integrated Products
Datasheets

Specifications of MAX8632ETI+

Applications
Controller, DDR
Voltage - Input
2 ~ 28 V
Number Of Outputs
1
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
1.8 V or 2.5 V or 0.7 V to 5.5 V
Output Current
15 A
Input Voltage
2 V to 28 V
Supply Current
25 uA
Switching Frequency
600 KHz
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
0A
0V
0V
0V
0V
0V
0V
0V
0V
I
V
VTT
DD
LIGHT LOAD, DISCHARGE ENABLED
(V
STARTUP AND SHUTDOWN INTO
= 1.5A, I
= 5V, I
VIN
I
I
LOAD TRANSIENT (BUCK)
LOAD
VTT
POWER-UP WAVEFORMS
LOAD
= NO LOAD
= 12V, V
VTTR
= 1A,
= 12A, I
= 15mA
10µs/div
200µs/div
400s/div
VTT
OUT
= 1.5A, I
Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
= 2.5V, TON = GND, SKIP = AV
_______________________________________________________________________________________
VTTR
MAX8632 toc10
MAX8632 toc16a
MAX8632 toc13
= 15mA
V
100mV/div
VTT
50mV/div
VTTR
50mV/div
I
5A/div
LOAD
OUT
2V/div
VTTR
1V/div
V
10V/div
VTT
1V/div
SHDN
5V/div
V
10V/div
V
1V/div
VTT
500mV/div
OUT
IN
DL
OUT
1.8V
4V
0V
0A
0A
0V
0V
0V
0V
LOAD TRANSIENT VTT (-1.5A TO +1.5A)
V
I
LOAD
DD
= 5V, I
Typical Operating Characteristics (continued)
SHUTDOWN BY LOSS OF V
POWER-DOWN WAVEFORMS
= 12A, I
DD
LOAD
, circuit of Figure 8, T
VTTR
= 12A, I
200µs/div
= 15mA
200µs/div
10µs/div
VTT
= 1.5A, I
VTTR
MAX8632 toc16b
MAX8632 toc11
MAX8632 toc14
DD
= 15mA
A
= +25°C, unless otherwise noted.)
V
50mV/div
VTTR
50mV/div
I
1A/div
V
2V/div
V
5V/div
I
5A/div
VTT
50mV/div
V
500mV/div
OUT
2V/div
VTT
1V/div
VTTR
1V/div
V
10V/div
VTT
OUT
OUT
DD
DL
IN
OUT
500mV/div
500mV/div
500mV/div
5V/div
0A
0V
0V
0V
0V
I
HEAVY LOAD, DISCHARGE DISABLED
LOAD TRANSIENT VTT (-3A TO +3A)
LOAD
STARTUP AND SHUTDOWN INTO
VTT LOADED AT 10Ω TO GND
= 12A, I
STANDBY RESPONSE
VTTR
= 15mA
10µs/div
400s/div
2ms/div
I
I
LOAD
VTT
MAX8632 toc17a
MAX8632 toc12
MAX8632 toc15
= 1.5A
= 10A,
1.8V
0.9V
0.9V
V
50mV/div
VTTR
50mV/div
I
2A/div
VTT
50mV/div
SHDN
5V/div
V
10V/div
V
1V/div
VTT
500mV/div
STBY
V
VTT
VTTR
VTT
OUT
DL
OUT
OUT
7

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