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| 型号： | MAX8717ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/30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) |
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Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
Table 1. Component Selection for Standard Applications
COMPONENT
Input Voltage
C IN , Input Capacitor
C OUT1 , Output Capacitor
C OUT2 , Output Capacitor
N H_ High-Side MOSFET
N L_ Low-Side MOSFET
D L_ Schottky Rectifier
(if needed)
L_ Inductor
R SENSE_
MAX8716/MAX8717/MAX8757
5V/5A, 3.3V/5A, 300kHz
V IN = 7V to 24V
(2) 10μF, 25V
Taiyo Yuden TMK432BJ106KM
220μF, 4V, 25m Ω
low-ESR capacitor,
SANYO 4TPE220M
150μF, 6.3V, 25m Ω
low-ESR capacitor,
SANYO 6TPE150M
Fairchild Semiconductor
FDS6612A
International Rectifier
IRF7807V
Fairchild Semiconductor
FDS6670S
International Rectifier
IRF7807VD1
Nihon EC21QS03L
2A, 30V, 0.45V f
5.7μH
Sumida CDEP105-5R7NC
7m Ω ±1% 0.5W resistor
IRC LR2010-01-R007F or
Dale WSL-2010-R007F
MAX8716/MAX8717/MAX8757
5V/5A, 3.3V/5A, 500kHz
V IN = 7V to 24V
(2) 10μF, 25V
Taiyo Yuden TMK432BJ106KM
150μF, 4V, 25m Ω
low-ESR capacitor,
SANYO 4TPE150M
100μF, 6.3V, 25m Ω
low-ESR capacitor,
SANYO 6TPE100M
Fairchild Semiconductor
FDS6612A
International Rectifier
IRF7807V
Fairchild Semiconductor
FDS6670S
International Rectifier
IRF7807VD1
Nihon EC21QS03L
2A, 30V, 0.45V f
3.9μH
Sumida CDRH124-3R9NC
7m Ω ±1% 0.5W resistor
IRC LR2010-01-R007F or
Dale WSL-2010-R007F
MAX8756
1.8V/5A, 1.5V/5A, 300kHz
V IN = 7V to 24V
(2) 10μF, 25V
Taiyo Yuden TMK432BJ106KM
220μF, 4V, 18m Ω
low-ESR capacitor,
SANYO 4TPE220MIC2
220μF, 4V, 18m Ω
low-ESR capacitor,
SANYO 4TPE220MIC2
Fairchild Semiconductor
FDS6612A
International Rectifier
IRF7807V
Fairchild Semiconductor
FDS6670S
International Rectifier
IRF7807VD1
Nihon EC21QS03L
2A, 30V, 0.45V f
3.1μH
Sumida CDRH125-3R1NC
7m Ω ±1% 0.5W resistor
IRC LR2010-01-R007F or
Dale WSL-2010-R007F
Table 2. Component Suppliers
Reference (REF)
The 2V reference is accurate to ±1.5% over tempera-
SUPPLIER
AVX
Central Semiconductor
Coilcraft
Coiltronics
Fairchild Semiconductor
International Rectifier
KEMET
Panasonic
SANYO
Sumida
Taiyo Yuden
TDK
TOKO
Vishay (Dale, Siliconix)
WEBSITE
www.avx.com
www.centralsemi.com
www.coilcraft.com
www.coiltronics.com
www.fairchildsemi.com
www.irf.com
www.kemet.com
www.panasonic.com/industrial
www.secc.co.jp
www.sumida.com
www.t-yuden.com
www.component.tdk.com
www.tokoam.com
www.vishay.com
ture and load, making REF useful as a precision system
reference. Bypass REF to GND with a 0.1μF or greater
ceramic capacitor. The reference sources up to 50μA
and sinks 10μA to support external loads.
SMPS Detailed Description
Power-on reset (POR) occurs when V CC rises above
approximately 2V, resetting the undervoltage, overvolt-
age, and thermal-shutdown fault latches. The POR cir-
cuit also ensures that the low-side drivers are driven
high until the SMPS controllers are activated. The V CC
input undervoltage-lockout (UVLO) circuitry inhibits
switching if V CC is below the V CC UVLO threshold.
An internal soft-start gradually increases the regulation
voltage during startup to reduce the input surge cur-
rents (see the Startup Waveforms in the Typical
Operating Characteristics).
14
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相关代理商/技术参数 |
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| MAX8717EVKIT | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY DUAL POWER-SUPPLY - Rail/Tube |
| MAX8718ETA | 制造商:Maxim Integrated Products 功能描述:HIGH-VOLTAGE LOW-POWER LINEAR REGU - Rail/Tube |
| MAX8718ETA+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX8718ETA-T | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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