参数资料
型号: MAX8717ETI+T
厂商: Maxim Integrated Products
文件页数: 13/30页
文件大小: 0K
描述: IC CNTRLR PWR SUP 28-TQFN
标准包装: 2,500
应用: 控制器,笔记本电脑电源系统
输入电压: 4 V ~ 26 V
输出数: 2
输出电压: 3.3V,5V,1 V ~ 5.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
INPUT (V IN )
+5V BIAS
C1
1 μ F
D BST1
V DD
D BST2
C IN
(2) 10 μ F
N H1
C BST1
0.1 μ F
DH1
BST1
LX1
MAX8716
MAX8717
MAX8756
MAX8757
DH2
BST2
LX2
C BST2
0.1 μ F
N H2
L1
5.7 μ H
D L1
N L1
DL1
DL2
N L2
D L2
L2
5.7 μ H
*PGND
*AGND
3.3V PWM
OUTPUT
(1.5V FOR MAX8756)
R CS1
7m Ω
C OUT1
220 μ F
V CC
CSH1
CSL1
FB1
CSH2
CSL2
FB2
V CC
R CS2
7m Ω
C OUT2
150 μ F
5V PWM
OUTPUT
(1.8V FOR MAX8756)
R1
20 Ω
V CC
+5V BIAS
PULSE-
SKIPPING
CONTROL
ON OFF
SKIP1
SKIP2
ON1
ON2
PGOOD1
PGOOD2
C2
1 μ F
C REF
0.22 μ F
R2
100k Ω
R3
100k Ω
POWER-GOOD 1
POWER-GOOD 2
REF
*FOR THE MAX8716 AGND AND PGND,
DEFAULT
V CC
ILIM1
REFER TO A SINGLE
CURRENT
LIMIT
V CC
ILIM2
FSEL
REF (300kHz)
PIN DESIGNATED GND.
MAX8717/MAX8756/MAX8757 ONLY
POWER GROUND
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS.
ANALOG GROUND
Figure 1. Standard Application Circuit
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13
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