MAX8717ETI+ Maxim Integrated Products, MAX8717ETI+ Datasheet - Page 13

• 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

Figure 1. Standard Application Circuit
(1.5V FOR MAX8756)
Interleaved High-Efficiency, Dual Power-Supply
3.3V PWM
+5V BIAS
OUTPUT
POWER GROUND
ANALOG GROUND
5.7μH
L1
______________________________________________________________________________________
R
7mΩ
CURRENT
D
C
220μF
DEFAULT
CS1
N
L1
OUT1
H1
LIMIT
CONTROL
SKIPPING
ON OFF
PULSE-
Controllers for Notebook Computers
V
V
1μF
V
N
CC
CC
C1
CC
D
C
0.1μF
L1
BST1
BST1
V
DH1
BST1
LX1
DL1
CSH1
FB1
SKIP1
ON1
ILIM1
CSL1
SKIP2
ON2
ILIM2
DD
MAX8716
MAX8717
MAX8756
MAX8757
PGOOD1
PGOOD2
MAX8717/MAX8756/MAX8757 ONLY
*PGND
*AGND
CSH2
CSL2
BST2
FSEL
DH2
DL2
V
LX2
FB2
REF
CC
0.22μF
C
REF
C
0.1μF
D
C2
1μF
BST2
V
BST2
CC
N
REF (300kHz)
L2
20Ω
R1
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS.
N
H2
*FOR THE MAX8716 AGND AND PGND,
REFER TO A SINGLE
PIN DESIGNATED GND.
R2
100kΩ
D
L2
150μF
C
7mΩ
OUT2
R
C
(2) 10μF
CS2
IN
R3
100kΩ
L2
5.7μH
+5V BIAS
POWER-GOOD 1
POWER-GOOD 2
5V PWM
OUTPUT
(1.8V FOR MAX8756)
INPUT (V
IN
)
13