MAX8632ETI+T Maxim Integrated Products, MAX8632ETI+T Datasheet - Page 5

IC PWR SUPPLY DDR 28-TQFN

MAX8632ETI+T

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

Specifications of MAX8632ETI+T

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, 2.5 V, 0.7 V to 5.5 V
Output Current
15 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
ELECTRICAL CHARACTERISTICS (continued)
(V
= GND, PGND1 = PGND2 = LX = GND, TON = OPEN, V
are at T
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
Note 2: When the inductor is in continuous conduction, the output voltage has a DC regulation level higher than the error-compara-
Note 3: On-time and off-time specifications are measured from 50% point to 50% point at the DH pin with LX = GND, V
LINEAR REGULATORS (VTTR AND VTT)
VTTI Input Voltage Range
VTTI Supply Current
VTTI Shutdown Current
REFIN Input Impedance
REFIN Range
VTT, VTTR UVLO Threshold
(Measured at OUT)
Soft-Start Charge Current
VTT Internal MOSFET High-Side
On-Resistance
VTT Internal MOSFET Low-Side
On-Resistance
VTT Output Accuracy
(Referred to V
VTT Load Regulation
VTT Current Limit
VTTS Input Current
VTTR Output Error
(Referred to V
VTTR Current Limit
VTTR Bias Current
IN
= +15V, V
A
tor threshold by 50% of the ripple. In discontinuous conduction, the output voltage has a DC regulation level higher than the
trip level by approximately 1.5% due to slope compensation.
and a 250pF capacitor connected from DH to LX. Actual in-circuit times may differ due to MOSFET switching speeds.
= +25°C.) (Note 1)
PARAMETER
REFIN
REFIN
DD
Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
= AV
/ 2)
/ 2)
_______________________________________________________________________________________
DD
= V
SHDN
SYMBOL
= STBY = V
V
V
I
I
REFIN
VTTS
VTTI
I
VTTI
SS
I
SHDN = GND
V
V
I
AV
I
V
V
V
VTT = 0 or VTTI
V
V
V
V
VTT
VTT
VTT
BST
REFIN
SS
REFIN
REFIN
REFIN
VTTS
REFIN
VTTR
REFIN
DD
= 0
= I
= -100mA, V
= 100mA, AV
= V
= 4.5V
= 1.5V, VTT open
= 0 or V
VTTR
= 2.5V
= 1.5V or 2.5V, I
= 2.5V, I
= 1.5V, I
= 1.5V or 2.5V, I
= V
VTTS
ILIM
VTTI
= 0
= 5V, V
= V
VTTI
CONDITIONS
= 0
VTT
VTT
VTTI
VTT
DD
= 0 to ±1.5A
= 0 to ±1A
, T
= 4.5V
OUT
= 1.5V,
A
VTT
VTTR
= -40°C to +85°C, unless otherwise noted. Typical values
= V
= 1mA
= 0
REFIN
= V
VTTI
= 2.5V, UVP/OVP = TP0 = FB = SKIP
0.01
MIN
±18
±3
12
-1
-1
1
1
<0.1
TYP
±32
0.1
1.3
0.6
1.3
20
±5
0.1
4
MAX
±6.5
0.20
±50
0.3
0.3
+1
+1
2.8
10
30
2.8
1
4
1
BST
UNITS
mA
mA
kΩ
µA
µA
µA
µA
%
%
%
= 5V,
V
V
V
A
5

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