MAX8744ETJ+ Maxim Integrated Products, MAX8744ETJ+ Datasheet - Page 7

• 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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
no load, T
CURRENT LIMIT
ILIM Adjustment Range
Current-Limit Threshold (Fixed)
Current-Limit Threshold
(Adjustable)
INTERNAL FIXED LINEAR REGULATORS
LDO5 Output Voltage
LDO5 Undervoltage-Lockout
Fault Threshold
LDO5 Bootstrap Switch
Short-Circuit Current
Short-Circuit Current (Switched
over to CSL_)
AUXILIARY LINEAR REGULATOR
DRVA Voltage Range
DRVA Drive Current
FBA Regulation Threshold
OUTA Shunt Trip Level
REFERENCE (REF)
Reference Voltage
A
PARAMETER
Supply Controllers for Notebook Computers
= -40°C to +85°C, unless otherwise noted.) (Note 3)
High-Efficiency, Quad-Output, Main Power-
_______________________________________________________________________________________
IN
= 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I
SYMBOL
V
V
V
V
V
V
DRVA
LIMIT
LIMIT
LDO5
FBA
REF
V
V
ON5 = GND, 6V < V
0 < I
Rising edge, hysteresis = 1% (typ)
Rising edge of CSL5, hysteresis = 1% (typ)
LDO5 = GND, ON5 = GND
LDO5 = GND, V
V
V
V
LDO5 in regulation, I
CSH
CSH
FBA
FBA
DRVA
LDO5
_ - V
_ - V
= 1.05V, V
= 0.965V, V
= 5V, I
CSL
CSL
< 100mA
_, ILIM = LDO5
_
DRVA
CSL5
DRVA
CONDITIONS
DRVA
= 1mA (sink)
IN
REF
> 4.7V
= 5V
< 26V,
= 5V
V
V
ILIM
ILIM
= 0
= 2.00V
= 1.00V
1.980
4.85
4.30
0.98
MIN
185
200
0.5
3.7
0.5
44
93
10
25
REF
= I
2.020
MAX
V
5.10
4.75
1.02
LDO5
215
107
450
4.1
0.4
56
26
27
REF
= I
UNITS
OUTA
mA
mA
mA
mV
mV
V
V
V
V
V
V
V
V
7
=