MAX8744ETJ+ Maxim Integrated Products, MAX8744ETJ+ Datasheet - Page 3

• Manufacturer Part Number: MAX8744ETJ+
• Description: IC CNTRLR PWR SUP QUAD 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8744ETJ+

• Applications: Controller, Notebook Computers
• Voltage - Input: 6 ~ 26 V
• Number Of Outputs: 4
• Voltage - Output: 3.3V, 5V, 1 ~ 26 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Duty Cycle (max): 99 %
• Output Voltage: 3.315 V, 5.015 V, 2 V to 5.5 V
• Mounting Style: SMD/SMT
• Switching Frequency: 200 KHz, 300 KHz, 500 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Boost, Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Idle Mode is a trademark of Maxim Integrated Products, Inc.
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
no load, T
Output Voltage Adjust Range
FB3, FB5 Dual Mode Threshold
Feedback Input Leakage Current
DC Load Regulation
Line Regulation Error
Operating Frequency (Note 1)
Maximum Duty Factor
Minimum On-Time
SMPS3-to-SMPS5 Phase Shift
CURRENT LIMIT
ILIM Adjustment Range
Current-Sense Input Leakage
Current
Current-Limit Threshold (Fixed)
Current-Limit Threshold
(Adjustable)
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Idle Mode™ Threshold
Idle Mode Threshold
(Low Audible-Noise Mode)
ILIM Leakage Current
A
PARAMETER
Supply Controllers for Notebook Computers
= 0°C to +85°C, unless otherwise noted. Typical values are at T
High-Efficiency, Quad-Output, Main Power-
_______________________________________________________________________________________
IN
= 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I
SYMBOL
t
V
V
D
ONMIN
V
V
V
f
V
OSC
LIMIT
LIMIT
IDLE
IDLE
MAX
NEG
ZX
Either SMPS
V
Either SMPS, SKIP = LDO5,
0 < V
Either SMPS, 6V < V
FSEL = GND
FSEL = REF
FSEL = LDO5
(Note 1)
SMPS5 starts after SMPS3
CSH3 = CSH5 = GND or LDO5
V
V
V
V
mode, percent of current limit
V
ILIM = LDO5
V
SKIP = GND
V
SKIP = REF
ILIM = GND or REF
FB3
CSH
CSH
CSH
CSH
CSH
CSH
CSH
CSH_
_ - V
_ - V
_ - V
_ - V
_ - V
_ - V
_ - V
= V
FB5
CSL
CSL
CSL
CSL
CSL
CSL
CSL
- V
= 2.1V
CSL_
_, ILIM = LDO5
_
_, SKIP = ILIM = LDO5
_, SKIP = LDO5, adjustable
_, SKIP = GND,
_,
_,
CONDITIONS
< 50mV
IN
V
V
ILIM = LDO5
With respect to
current-limit
threshold (V
ILIM = LDO5
With respect to
current-limit
threshold (V
ILIM
ILIM
< 26V
A
= +25°C.)
= 2.00V
= 1.00V
LIMIT
LIMIT
)
)
MIN
97.5
-0.1
170
270
425
185
-67
2.0
3.0
0.5
2.5
45
94
-1
-1
0
6
V
- 1.0
-120
TYP
0.03
LOO5
-0.1
200
300
500
100
144
200
100
-60
99
40
50
10
20
10
3
5
REF
= I
V
MAX
V
+0.1
- 0.4
LOO5
230
330
575
215
106
-53
5.5
7.5
LDO5
+1
+1
55
14
REF
6
= I
UNITS
OUTA
Deg
%/V
kHz
mV
mV
mV
mV
mV
mV
µA
µA
µA
ns
%
%
%
%
%
%
V
V
V
3
=