MAX8744ETJ+ Maxim Integrated Products, MAX8744ETJ+ Datasheet - Page 9

• 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

(Circuit of Figure 1, V
100
100
90
80
70
60
50
90
80
70
60
50
-1
-2
-3
3
2
1
0
0.001
0.001
0
Supply Controllers for Notebook Computers
OUTPUT VOLTAGE DEVIATION
3.3V OUTPUT EFFICIENCY
5V OUTPUT EFFICIENCY
4
0.01
7V
0.01
High-Efficiency, Quad-Output, Main Power-
vs. LOAD CURRENT
vs. LOAD CURRENT
vs. INPUT VOLTAGE
7V
LOAD CURRENT (A)
INPUT VOLTAGE (V)
LOAD CURRENT (A)
8
_______________________________________________________________________________________
IN
3.3V OUTPUT
0.1
0.1
= 12V, SKIP = GND, FSEL = REF, T
5.0V OUTPUT
12
20V
SKIP MODE
PWM MODE
SKIP MODE
PWM MODE
1
1
16
20V
12V
12V
10
10
20
100
100
100
90
80
70
60
50
90
80
70
60
50
10
1
0.001
0.001
0
NO-LOAD INPUT SUPPLY CURRENT
SKIP MODE
SKIP MODE
3.3V OUTPUT EFFICIENCY
5V OUTPUT EFFICIENCY
4
A
LOW-NOISE
0.01
0.01
SKIP MODE
vs. INPUT VOLTAGE
= +25°C, unless otherwise noted.)
vs. LOAD CURRENT
vs. LOAD CURRENT
LOW-NOISE
MODE
LOAD CURRENT (A)
LOAD CURRENT (A)
INPUT VOLTAGE (V)
MODE
8
0.1
0.1
Typical Operating Characteristics
LOW-NOISE MODE
12
PWM MODE
PWM MODE
PWM MODE
1
1
16
10
10
20
5.10
5.05
5.00
4.95
4.90
3.39
3.36
3.33
3.30
3.27
3.24
100
10
1
STANDBY AND SHUTDOWN INPUT CURRENT
0.0
0
0
PWM MODE
PWM MODE
STANDBY (ONx = GND)
SKIP MODE
1.0
4
1
3.3V OUTPUT VOLTAGE
SKIP MODE
5V OUTPUT VOLTAGE
vs. INPUT VOLTAGE
vs. LOAD CURRENT
vs. LOAD CURRENT
LOW-NOISE MODE
INPUT VOLTAGE (V)
LOAD CURRENT (A)
LOAD CURRENT (A)
LOW-NOISE MODE
2.0
8
2
12
3.0
3
(SHDN = GND)
SHUTDOWN
4.0
16
4
20
5.0
5
9