MAX8717ETI+ Maxim Integrated Products, MAX8717ETI+ Datasheet - Page 8

• Manufacturer Part Number: MAX8717ETI+
• Description: IC CNTRLR PWR SUP 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8717ETI+

• Applications: Controller, Notebook Computers
• Voltage - Input: 4 ~ 26 V
• Number Of Outputs: 2
• Voltage - Output: 3.3V, 5V, 1 ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
(Circuit of Figure 1, MAX8717, V
8
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
90
80
70
60
50
_______________________________________________________________________________________
0
0.001
0
V
L = 3.2μH
MAXIMUM DUTY-
CYCLE LIMITED
IN
MODE
= 12V
SKIP
OUT2 IDLE-MODE CURRENT
4
1.8V OUTPUT EFFICIENCY
0.01
vs. INPUT VOLTAGE
vs. LOAD CURRENT
INPUT VOLTAGE (V)
LOAD CURRENT (A)
3.40
3.35
3.30
3.25
8
0
0.1
12
SKIP2 = REF
SKIP2 = GND
LOW-NOISE
MODE
4
PWM
MODE
16
3.3V OUTPUT VOLTAGE
vs. INPUT VOLTAGE
1
IN
INPUT VOLTAGE (V)
8
20
= 12V, V
12
10
24
DD
16
SKIP1 = V
= V
1000
100
Typical Operating Characteristics (continued)
20
28
24
20
16
12
10
8
4
0
1
CC
0.001
CC
0
NO-LOAD SUPPLY CURRENT vs. INPUT
= 5V, SKIP_ = GND, FSEL = REF, T
24
VOLTAGE (FORCED-PWM MODE)
SKIP2 = V
OUT2 SWITCHING FREQUENCY
SKIP2 = REF
4
0.01
vs. LOAD CURRENT
CC
INPUT VOLTAGE (V)
LOAD CURRENT (A)
8
0.1
I
12
I
SKIP1 = SKIP2 = V
ON1 = ON2 = V
IN
BIAS
SKIP2 = GND
16
1
CC
20
0.4
0.3
0.2
0.1
CC
0
0
24
10
A
OUT2 DROPOUT VOLTAGE
1
= +25°C, unless otherwise noted.)
vs. LOAD CURRENT
0.01
5.05
5.00
4.95
4.90
0.1
10
LOAD CURRENT (A)
1
2
0
0
NO-LOAD SUPPLY CURRENT vs. INPUT
4
4
3
VOLTAGE (IDLE MODE)
5V OUTPUT VOLTAGE
vs. INPUT VOLTAGE
V
OUT2
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
SKIP1 = SKIP2 = GND OR REF
ON1 = ON2 = V
8
8
I
IN
4
= 4.8V
12
12
5
CC
16
16
SKIP2 = V
I
BIAS
20
20
CC
24
24