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參數(shù)資料
| 型號： | MAX1608 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 16-Bit Bus Transceivers And Registers With 3-State Outputs 56-TSSOP -40 to 85 |
| 中文描述： | 八通道、SMBus至并行輸入/輸出擴(kuò)展器 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 291K |
| 代理商： | MAX1608 |
Application Examples
P-Channel/N-Channel High-Side Load
Switch with Controlled Turn-On
In load-switching applications, when a controlled volt-
age ramp or inrush current limiting is required, add a
series resistor to slow the switch turn-on and turn-off
times. The external MOSFET gate has a typical capaci-
tance of 150pF to 2000pF, but an optional external
capacitance can be added to further slow the switching
time (Figure 6). If a slow turn-on time is required, simply
use an N-channel MOSFET with a high-value pull-up
resistor and no series resistor. Similarly, if a fast turn-on
and a slow turn-off are desired, use a P-channel MOS-
FET with a high-value pull-up resistor and no series
resistor.
Battery Switch with
Back-to-Back MOSFETs
Many battery-operated applications use back-to-back
MOSFETs to prevent reverse currents from the load to
the supply (Figure 7). This protects the battery from
potential damage and isolates the load from the power
source.
LED Driver
A MAX1608/MAX1609 can be used as programmable
LED drivers (Figure 8). With their low quiescent current,
these devices are ideal for use as indicator light drivers
on the front panel of a notebook computer.
M
Octal SMBus-to-Parallel I/O Expanders
______________________________________________________________________________________
13
IO0
IO2
IO1
ADD0
IO7
ADD1
IO0
IO2
IO1
ADD0
IO7
ADD1
MAX1609
TO/FROM
HOST
+5V
V+
GND
LOAD1
LOAD2
LOAD3
ALERT
0.1
μ
F
0.01
μ
F*
0.01
μ
F*
0.01
μ
F*
0.01
μ
F*
0.01
μ
F*
0.01
μ
F*
IRF7406
IRF7413
IRF7406
IRF7413
IRF7406
IRF7413
+12V
10k
10k
10k
SMBCLK
SMBDATA
SMBSUS
MAX1608
TO/FROM
HOST
+5V
V+
GND
LOAD1
LOAD2
LOAD3
ALERT
0.1
μ
F
10k
10k
10k
10k
10k
10k
10k
10k
10k
200k
200k
200k
200k
200k
200k
SMBCLK
SMBDATA
SMBSUS
*OPTIONAL
Figure 6. Load Switch with Controlled Turn-On
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1608-MAX1609 | Octal SMBus-to-Parallel I/O Expanders |
| MAX1609 | Octal SMBus-to-Parallel I/O Expanders |
| MAX1609EEE | Octal SMBus-to-Parallel I/O Expanders |
| MAX1608EEE | 16-Bit Bus Transceivers And Registers With 3-State Outputs 56-SSOP -40 to 85 |
| MAX1610 | Digitally Controlled CCFL Backlight Power Supplies |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX16081AXR16O+T | 制造商:Maxim Integrated Products 功能描述:LP SUP CIRCUITS MANUAL RESET |
| MAX16081AXR29O+T | 制造商:Maxim Integrated Products 功能描述:LP SUP CIRCUITS MANUAL RESET |
| MAX16081AXR31O+T | 制造商:Maxim Integrated Products 功能描述:LP SUP CIRCUITS MANUAL RESET |
| MAX16081UR29Q+T | 制造商:Maxim Integrated Products 功能描述:ULTRA-VERSATILE, LOW POWER UP SUPERVISORY CIRCUITS - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SUPERVISOR LOW POWER SOT |
| MAX16081UR30Q+T | 制造商:Maxim Integrated Products 功能描述:IC SUPERVISOR LOW POWER SOT |
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